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This page is updated frequently with new Sharpness-related patent applications. Subscribe to the Sharpness RSS feed to automatically get the update: related Sharpness RSS feeds. RSS updates for this page: Sharpness RSS RSS


Date/App# patent app List of recent Sharpness-related patents
07/24/14
20140204222
 Mechanism for facilitating dynamic phase detection with high jitter tolerance for images of media streams patent thumbnailMechanism for facilitating dynamic phase detection with high jitter tolerance for images of media streams
A mechanism for facilitating dynamic phase detection with high jitter tolerance for images of media streams is described. In one embodiment, a method includes calculating stability optimization of an image of a media stream based on a plurality of pixels of two or more consecutive frames relating to a plurality of phases of the image, calculating sharpness optimization of the image, and selecting a best phase of the plurality of phases based on the stability and sharpness optimization of the image.
07/17/14
20140198306
 Multilayer mirror, method of producing a multilayer mirror and lithographic apparatus patent thumbnailMultilayer mirror, method of producing a multilayer mirror and lithographic apparatus
A multilayer mirror for use in device lithography is configured to reflect and/or pattern radiation having a wavelength in the range of about 6.4 nm to about 7.2 nm. The multilayer mirror has a plurality of alternating layers of materials.
07/17/14
20140198242
 Image capturing apparatus and image processing method patent thumbnailImage capturing apparatus and image processing method
An image capturing apparatus and an image processing method are disclosed. The image capturing apparatus includes an image capturing module, a micro processor, and a display module.
07/10/14
20140193032
 Image super-resolution for dynamic rearview mirror patent thumbnailImage super-resolution for dynamic rearview mirror
Method for applying super-resolution to images captured by a camera device of a vehicle includes receiving a plurality of image frames captured by the camera device. For each image frame, a region of interest is identified within the image frame requiring resolution related to detail per pixel to be increased.
07/10/14
20140192304
 Optical compensation film group and method for reducing light leakage of vertical alignment lcd using the same patent thumbnailOptical compensation film group and method for reducing light leakage of vertical alignment lcd using the same
The present invention provides an optical compensation film group and a method for reducing light leakage of a vertical alignment lcd using the same. For the vertical alignment lcd at a wavelength of 550 nm, an lcΔnd in the range of [305.8 nm, 324.3 nm], and a pretilt angle in the range of [85°, 90°), a compensation value ro of an in-plane optical path difference of the biaxial compensation film is in the range of 48 nm≦ro≦84 nm, and a compensation value rth of an out-of-plane optical path difference of the biaxial compensation film is in the range of 160 nm≦rth≦280 nm, and a tac compensation film having a compensation value rth is in the range of y1≦rth≦y2.
06/26/14
20140178557
 Liquid sweetener composition patent thumbnailLiquid sweetener composition
A liquid sweetener composition that can reproduce the quality of sweetness and sharpness equivalent to high-fructose syrup while reducing the blending ratio of fructose. A liquid sweetener composition containing 65% or more and 82.5% or less fructose, 5% or more and 35% or less glucose, and 1% or more and 10% or less reducing sugar other than fructose and glucose in terms of weight ratio (anhydrous basis) with 10 to 30 weight percent of water content is provided..
06/26/14
20140177060
 Antiglare sheet for image display device, manufacturing method thereof, method of improving black tint and image sharpness of an image display device using said antiglare sheet and suited for use with both moving images and still images patent thumbnailAntiglare sheet for image display device, manufacturing method thereof, method of improving black tint and image sharpness of an image display device using said antiglare sheet and suited for use with both moving images and still images
The purpose of this invention is to achieve a video display device antiglare sheet having excellent black glossiness, darkness in dark places, and antiglare properties in video applications, and suited to realizing high image quality. An antiglare layer including a transparent resin and diffusion particles is provided on at least one surface of a transparent substrate.
06/19/14
20140168401
 System and method for remote measurement of optical focus patent thumbnailSystem and method for remote measurement of optical focus
A system and method that measures an optical focus of a distant optical imaging system (eye), in particular the ocular accommodation of a distant human subject. A luminous pattern of light (p1, a1) is projected by a projector (p) in focus (a2) at a known focal plane (fpl1) in front of the distant optical imaging system (eye), and an image of the reflection of the pattern (a3) on a sensor surface of the distant optical imaging system (eye), for instance the retina of an eye, is recorded by a camera (cam) having an optical axis (axcam) coinciding at least partly with or situated close to the optical axis (axp) of the projection device (p).
06/19/14
20140166758
 Method of driving focusing element in barcode imaging scanner patent thumbnailMethod of driving focusing element in barcode imaging scanner
A method includes the following: (1) detecting light from a target object to capture multiple images of the target object while substantially maintaining the distance between the target object and the imaging lens arrangement that is configured to have a focus position thereof changed with a lens-driving-parameter; (2) processing the at least one of the multiple images to determine a feature-size in an aiming pattern; (3) processing at least two of the multiple images to find an optimal lens-driving-parameter that results in the maximum image sharpness; and (4) storing both the feature-size and the optimal lens-driving-parameter into a memory.. .
06/12/14
20140160319
 Techniques for improved focusing of camera arrays patent thumbnailTechniques for improved focusing of camera arrays
Techniques for improved focusing of camera arrays are described. In one embodiment, for example, an apparatus may comprise a processor circuit and an imaging management module, and the imaging management module may be operable by the processor circuit to determine, for each of a plurality of candidate displacement factors for an image array comprising a plurality of images, a corresponding sharpness, determine an optimal displacement factor comprising a candidate displacement factor corresponding to a maximized sharpness, and transform the image array based on the optimal displacement factor.
06/12/14
20140159165
Faceted finfet
Among other things, a semiconductor device comprising one or more faceted surfaces and techniques for forming the semiconductor device are provided. A semiconductor device, such as a finfet, comprises a fin formed on a semiconductor substrate.
05/29/14
20140146222
Auto-focus method
An auto-focus method to determine an optimum position of a lens module includes defining search boundaries and an allowable difference, randomly sampling current values within the search boundaries d1, d2 and d3, and obtaining sharpness m1, m2 and m3. A parabola is determined where a vertex of the parabola is used as a next input current value where three larger values of the sharpness are used along with corresponding current values to re-determine a new parabola.
05/22/14
20140139833
Spectrometer, assembling method thereof, and assembling system
A spectrometer comprising a waveguide module, a diffractive component, and a light sensor is provided. The waveguide module has a first reflective surface, a second reflective surface opposite to the first reflective surface, and a light channel between the first reflective surface and the second reflective surface.
05/22/14
20140139707
Auto-focus image system
An auto-focus image system includes a focus signal generator and a pixel array coupled thereto that captures an image that includes a plurality of edges. The generator computes a focus signal from a plurality of edge-sharpness measures, each measured from and contributed by a different edge as a quantity with a unit that is a power of a unit of length.
05/22/14
20140138542
Scanning electron microscope and scanning transmission electron microscope
A scanning transmission electron microscope according to the present invention includes an electron lens system having a small spherical aberration coefficient for enabling three-dimensional observation of a 0.1 nm atomic size structure. The scanning transmission electron microscope according to the present invention also includes an aperture capable of changing an illumination angle; an illumination electron lens system capable of changing the probe size of an electron beam probe and the illumination angle; a secondary electron detector (9); a transmission electron detector (13); a forward scattered electron beam detector (12); a focusing unit (16); an image processor for identifying image contrast; an image processor for computing image sharpness; a processor for three-dimensional reconstruction of an image; and a mixer (18) for mixing a secondary electron signal and a specimen forward scattered electron signal..
05/08/14
20140124577
Indicia reading terminal including frame quality evaluation processing
There is described an indicia reading terminal that can be operative to capture a succession of frames of image data and that can be operative so that a certain frame of the succession of frames is subject to quality evaluation processing where a result of the quality evaluation processing is responsive to one or more of an incidence and sharpness of edge representations of the frame of image data.. .
05/01/14
20140120287
Sleeve for medical device assembly
The present disclosure describes a medical device assembly comprising an expandable medical device wrapped with an improved constraining sleeve. The sleeve in accordance with various embodiments of the present disclosure is thin walled and translucent, having reduced edge sharpness.
04/17/14
20140105516
Automated underwater image restoration via denoised deconvolution
A computer-implemented method for automatically retrieving information regarding optical properties of a scattering medium including receiving a first digital image and a first image quality value associated with the first digital image and sharpness of an edge of the first digital image, producing an optimized image, transforming the optimized image into an optimized optical transfer function, receiving a second digital image and a second image quality value associated with the second digital image and sharpness of an edge of the second digital image, identifying either the first or second digital image as an optimized digital image, and transforming the optimized optical transfer function into an optimized value of the optical parameter.. .
04/17/14
20140104438
Systems and methods for lens characterization
Methods and systems for analyzing camera lenses and presenting information regarding camera lenses performance are described. An interactive user interface is provided over a network for display on a user terminal by a computer system.
04/10/14
20140099090
Method and system for intelligent dynamic autofocus search
Embodiments of the present invention initially calculate a confidence score for the image environment surrounding the subject matter in order to determine the initial number of lens positions. Once the initial lens positions are determined, a sharpness score is calculated for each determined initial lens position.
04/10/14
20140098295
Method, apparatus and machine-readable medium for describing video processing
An upstream video processor may perform video processing upon video data to created processed video data. The video processing may include at least one of color correction, contrast correction, gamma correction, sharpness enhancement, and edge enhancement.
04/03/14
20140092279
Image sensor defect identification using blurring techniques
Embodiments described herein may operate to image a scene with an imaging system using an image blurring technique. An image sensor array (isa) element may be identified as a dark defect element if a first ratio of an average of a set of illuminance signal magnitudes from a set of surrounding isa elements to a magnitude of an illuminance signal from the isa element is greater than a threshold sharpness value.
03/27/14
20140087639
Razor sharpening system
A self sharpening razor system includes a razor having a handle and a safety housing with a blade extendably received within the safety housing. An integrated sharpening system incorporates an armature receiving the razor and movable between a first position for attachment and extraction of the razor and a second position for sharpening of the blade.
03/27/14
20140086486
Adjusting the sharpness of a digital image
The sharpness of a digital image is adjusted according to defined aim subject and background sharpness levels. An image segmentation process is used to segment an input digital image into a subject region and a background region.
03/27/14
20140085507
Controlling the sharpness of a digital image
A method for selecting a digital image having controlled sharpness characteristics from a set of candidate digital images of a common scene, each digital image having different sharpness characteristics. An image segmentation process is used to segment each of the candidate digital images into a subject region and a background region.
03/20/14
20140078320
Image sharpness classification system
A method for predicting whether a test image (318) is sharp or blurred includes the steps of: training a sharpness classifier (316) to discriminate between sharp and blurred images, the sharpness classifier (316) being trained based on a set of training sharpness features (314) computed from a plurality of training images (306), the set of training sharpness features (314) for each training image (306) being computed by (i) resizing each training image (306) by a first resizing factor; (ii) identifying texture regions (408, 410) in the resized training image; and (iii) computing the set of sharpness features in the training image (412) from the identified texture regions; and applying the trained sharpness classifier (316) to the test image (318) to determine if the test image (318) is sharp or blurred based on a set of test sharpness features (322) computed from the test image (318), the set of test sharpness features (322) for each test image (318) being computed by (i) resizing the test image (318) by a second resizing factor that is different than the first resizing factor; (ii) identifying texture regions (408, 410) in the resized test image; and (iii) computing the set of sharpness features in the test image (412) from the identified texture regions.. .
03/13/14
20140072221
Image processing device, image processing method, and a computer readable medium
An image processing device selects an image in which sharpness of a photographic subject is relatively high compared with sharpness of a background. The image processing device includes a photographic subject detection unit that identifies a photographic subject region on an image, which includes a predetermined photographic subject, by detecting the predetermined photographic subject from the image, a background region identifying unit that identifies a background region on the image, which is other than the photographic subject region, a sharpness identifying unit that identifies sharpness of the photographic subject region and sharpness of the background region, a score calculation unit that calculates a score based on a difference in the sharpness between the photographic subject region and the background region, and a determination unit which determines the image as an optimum image when the score indicates that photographic subject region is clearer than the background region..
03/06/14
20140064633
Image processing apparatus and image processing method
The present invention controls blur and sharpness according to a depth without performing processes repeatedly for each object determination or for each distance. A filter for a target pixel is determined by comparing multiple thresholds representing an optical characteristic of an image capturing unit and multiple values representing distance to a subject in the target pixel and pixels around the target pixel.
03/06/14
20140063113
Inkjet printing system
An inkjet printing system including an inkjet printer having a printhead and an inkjet ink in an ink tank supplying the inkjet ink to the printhead, wherein the ink tank includes a free ink compartment and a capillary media compartment vented to the atmosphere and in fluid communication with ink in the free ink compartment, and wherein the inkjet ink includes water, a self-dispersing carbon black pigment having greater than 11 weight % volatile surface functional groups, and a surfactant at a concentration of 0.10 weight percent or less, and having a static surface tension of 37.5 dynes/cm or less at 25° c. The system provides high print density and text sharpness when printed onto an ink receiving medium, and provides good performance in a bubbler-type ink tank which reduces the amount of ink trapped in the ink tank..
02/27/14
20140057207
Method of improving print performance in flexographic printing plates
A method of tailoring the shape of a plurality of relief printing dots created in a photosensitive printing blank during a platemaking process is provided. The photocurable layer is exposed to actinic radiation using an array of uv led light assemblies and the use of the array of uv led light assemblies produces relief printing dots having at least one geometric characteristic selected from the group consisting of a desired planarity of a top surface of the relief printing dots, a desired shoulder angle of the relief printing dots and a desired edge sharpness of the relief printing dots..
02/27/14
20140055662
Camera and method for taking sharp images
A camera is provided having an image sensor for taking images, a reception optics, an adjustable focusing unit for setting a focal position of the reception optics as well as a control and evaluation unit which is configured to continuously move the focal position of the reception optics between a first focal position and a second focal position by means of the focusing unit and to take a respective one image at at least one third focal position and one fourth focal position, to determine a degree of sharpness of the images and to determine a focal position of greatest image sharpness therefrom. The control and evaluation unit is configured to move the focal position cyclically and continuously to and fro between the first focal position and the second focal position and to take a further image when the focal position of greatest image sharpness is reached..
02/27/14
20140055566
Gesture recognition system and method
A gesture recognition system includes an edof lens, an image sensor, and a processing unit. The image sensor successively captures image frames through the edof lens.
02/20/14
20140049799
Systems and methods for dynamic sharpness control in system using binary to continuous tone conversion
Embodiments relate to systems and methods for dynamic sharpness control in system using binary to continuous tone conversion. Image data can be processed in the image path of a copier, printer, or other device to enhance sharpness based on user settings.
02/13/14
20140044352
Joint enhancement of lightness, color and contrast of images and video
In some embodiments, color and contrast enhancement video processing may be done in one shot instead of adjusting one of color and contrast enhancement, then the other, and then going back to the first one to readjust because of the second adjustment. In some embodiments, global lightness adjustment, local contrast enhancement, and saturation enhancement may be done at the same time and in parallel.
02/13/14
20140044326
Image-recognition assisting method
An image-recognition assisting method includes the steps of using an examination instrument to generate an image having a split-image area formed thereon; setting a region-of-interest (roi) around the split-image area of the generated image; performing a pixel luminance addition processing on the roi, so that all pixels in the roi have increased luminance contrast; and performing a contrast correction on the roi having increased luminance contrast, so that the luminance contrast between the split-image area and the area surrounding the split-image area in the roi is further increased. The image-recognition assisting method optimizes the image generated by the conventional ophthalmic examination instrument, such as a fundus camera, to increase the sharpness and the luminance contrast of the image output by the fundus camera, so that an examiner can easily recognize two offset rectangular image parts in the split-image area and align them with each other to focus the examination instrument..
01/30/14
20140030528
Multilayer coating film-forming method and coated
The invention provides a multilayer coating film-forming method that allows formation of a multilayer coating film with excellent smoothness, sharpness and water resistance, and which avoids or minimizes pinhole popping. The multilayer coating film-forming method of the invention has the following construction.
01/30/14
20140028919
Image processing circuit and method thereof
An image processing circuit and a method thereof are provided herein. The image processing circuit has a first scaling circuit, one or more line buffers, a first sharpness circuit, a second scaling circuit, and a second sharpness circuit.
01/23/14
20140022443
Auto-focus image system
An auto focus image system that includes a pixel array coupled to a focus signal generator. The pixel array captures an image that has a plurality of edges.
01/16/14
20140015984
Detecting and responding to an out-of-focus camera in a video analytics system
Techniques are disclosed for detecting an out-of-focus camera in a video analytics system. In one embodiment, a preprocessor component performs a pyramid image decomposition on a video frame captured by a camera.
01/09/14
20140010440
Image processing method and device
Embodiments of the present invention provide an image processing method and device. In the embodiments of the present invention, conversion processing is performed on an input image, which effectively eliminates an impact on image quality from such weather conditions as fog, dust-haze, sand storm and rain where atmospheric transparency is low, and can solve a problem in the prior art that image quality of a captured image or video is poor due to a scattering function of suspended particles in the atmosphere under such weather conditions as fog, dust-haze, sand storm and rain where atmospheric transparency is low, thereby improving contrast, saturation, and sharpness of an image or a video (namely, a multi-frame image).
01/09/14
20140009646
Spatially differentiated luminance in a multi-lens camera
Spatial resolution can be improved in multi-lens digital cameras. Each lens can have the same or similar field of view, but can be associated with different modulation transfer functions defining varying sharpness based on location within the field of view.
01/02/14
20140002745
Control of video processing algorithms based on measured perceptual quality characteristics
Systems and methods may provide for conducting a real-time perceptual quality analysis of a video, wherein the perceptual quality analysis includes at least one of a noise measurement, a contrast measurement and a sharpness measurement. One or more strength parameters of one or more post-processing modules in a video processing pipe may be set based on the perceptual quality analysis resulting in overall video processing that adapts to the changing perceptual quality of the input.
01/02/14
20140002673
Line pair based full field sharpness test
Optical characteristics of an optical component for a high volume manufacture consumer electronics device can be tested using a test chart composed of a superposition of two or more groups of parallel line pairs, wherein all the groups of parallel line pairs are oriented at a different inclination. The groups of line pairs could be oriented so that they are perpendicular to each other.
12/26/13
20130343670
Method for converting input image data into output image data, image conversion unit for converting input image data into output image data, image processing apparatus, display device
In a method and device for improving image rendition by contrast and/or sharpness enhancement the sharpness enhancement is made dependent on the local average luminance value. A mix is made of spatially enhanced image signals is used, wherein for various signal differing spatial frequencies are boosted.
12/19/13
20130335633
Image sharpness device and method for the same
An image sharpness device and a method for the same are disclosed. The image sharpness device includes a dc removal unit, at least one filter, at least one noise estimation unit, at least one soft threshold processing unit, and a summing unit.
12/19/13
20130335620
Focus position searching method
A focus position searching method is used to determine an optimum position of a lens module, the lens module being driven by a voice coil motor (vcm), the vcm according to an input current to drive the lens module. The focus position searching method is used to search a left boundary and a right boundary, then two current values are obtained in a range between the left and the right boundaries, by using a golden section method to drive the lens module to capture an image and calculate sharpness of the image.
12/12/13
20130332866
Tempered auto-adjusting, image-editing operation
Some embodiments provide a novel method for tempering an adjustment of an image to account for prior adjustments to the image. The adjustment in some embodiments is an automatic exposure adjustment.
12/12/13
20130331514
Polycarbonate resin composition and molded article
An object of the present invention is to provide a polycarbonate resin composition and a molded article, which are excellent in jet-blackness, image sharpness, impact resistance, scratch resistance owing to high hardness, flame retardancy and heat retention stability. The present invention provides a resin composition comprising a polycarbonate resin comprising a structural unit derived from a cyclic ether structure-containing dihydroxy compound and a coloring agent, which is a polycarbonate resin composition having an l* value of 6 or less as measured by the reflected light method of jis k7105; and a molded article using the resin composition.
12/12/13
20130329004
Method of and apparatus for image enhancement
Image enhancement by separating the image signals, either y or rgb, into a series of bands and performing noise reduction on bands below a given frequency but not on bands above that frequency. The bands are summed to develop the image enhanced signals.
12/05/13
20130321662
Optical module
A gesture recognition system includes an image capturing device, a memory unit and a processing unit. The image capturing device includes a zoom lens and captures an image frame with a focus length.
11/28/13
20130315504
Method and apparatus for reconstructing an image
A method and apparatus for reconstructing a low-resolution image is provided. The method includes magnifying a low-resolution image; extracting a high frequency component and a texture component from the pre-magnification low-resolution image; and reconstructing an image by synthesizing the extracted high frequency component and texture component with the magnified low-resolution image.
11/14/13
20130301949
Image enhancement apparatus and method
An image enhancement apparatus for enhancing an input image of a sequence of input images of at least a first view and obtaining an enhanced output image of at least said first view comprises an unsharp masking unit configured to enhance the sharpness of the input image, a motion compensation unit configured to generate at least one preceding motion compensated image by compensating motion in a preceding output image, a weighted selection unit configured to generate a weighted selection image from said sharpness enhanced input image and said preceding motion compensated image based on selection weighting factor, a detail signal generation unit configured to generate a detail signal from said input image and said weighted selection image, and a combination unit configured to generate said enhanced output image from said detail signal and from said input image and/or said weighted selection image.. .
11/14/13
20130301841
Audio processing device, audio processing method and program
An audio processing device includes: a directivity adjustment unit adjusting directivity and sharpness thereof in audio picked up by plural microphones picking up audio; and a howling suppression adjustment unit adjusting intensity of suppressing howling of audio picked up by the plural microphones, wherein the directivity adjustment unit adjusts the directivity and sharpness thereof in preference to the howling suppression of audio performed by the howling suppression adjustment unit.. .
11/14/13
20130300772
Image quality processing method and display device using the same
This embodiments herein relate to an image quality processing method and a display device using the same which decrease a hardware processing load of the display device and improve both a contrast ratio and sharpness of edges in an image.. .
11/14/13
20130300737
Stereoscopic image generating apparatus, stereoscopic image generating method, and stereoscopic image generating program
At least one of parallax images for left and right eyes to be fusionally displayed to perform stereopsis using binocular parallax is generated at low resolution or low sharpness of such a degree that a subject in the parallax image is observable as a stereoscopic image when an observer observes the subject in an observation mode in which the two fusionally displayed parallax images are stereoscopically viewable, and also of such a degree that the subject is recognizable as a plane image when an observer observes the subject in an observation mode in which the two fusionally displayed parallax images are not stereoscopically viewable.. .
10/31/13
20130286213
Method, device and system for determining the presence of volatile organic compounds (voc) in video
A video based method to detect volatile organic compounds (voc) leaking out of components used in chemical processes in petrochemical refineries. Leaking voc plume from a damaged component has distinctive properties that can be detected in realtime by an analysis of images from a combination of infrared and optical cameras.
10/24/13
20130278726
Imaging system using a lens unit with longitudinal chromatic aberrations and method of operating
A lens unit of an imaging unit features longitudinal chromatic aberration. From an imaged scene, an imaging sensor unit captures non-color-corrected first images of different spectral content.
10/17/13
20130273270
Paper substrate containing a wetting agent and having improved print mottle
The present invention relates to a sizing composition that, when applied to paper substrate, creates a substrate, preferably suitable for inkjet printing, having increased print density, enhanced print mottle, as well as print sharpness, low hst, and/or image dry time, the substrate preferably having high brightness and reduced color-to-color bleed as well. In addition, the present invention relates to a method of reducing the hst of a paper substate by applying the sizing composition to at least one surface thereof.
10/10/13
20130266746
Paper substrate containing a wetting agent and having improved printability
The present invention relates to a sizing composition that, when applied to paper substrate, creates a substrate, preferably suitable for inkjet printing, having increased print density, and print mottle, as well as print sharpness, low hst, and/or image dry time, the substrate preferably having high brightness and reduced color-to-color bleed as well. In addition, the present invention relates to a method of reducing the hst of a paper substrate by applying the sizing composition to at least one surface thereof.
10/10/13
20130266215
System and method for estimating/determining the date of a photo
Undated photos are organized by estimating the date of each photo. The date is estimated by building a model based on a set of reference photos having established dates, and comparing image characteristics of the undated photo to the image characteristics of the reference photos.
10/10/13
20130265480
Auto-focus image system
An auto-focus image system that includes a pixel array coupled to a focus signal generator. The pixel array captures an image that has a plurality of edges.
10/03/13
20130259366
Image processing apparatus, computer-readable storage medium storing computer-readable instructions and associated method
An image processing apparatus may create text image data representing a text image, based on target image data representing a target image including text. The image processing apparatus may determine an extended text area in the target image based on information related to a sharpness of the text included in the target image.
10/03/13
20130257892
Image processing device determining binarizing threshold value
An image processing device comprising: a processor to perform: acquiring target image data representing a target image including a letter; and generating binary image data representing the letter in the target image by using the target image data, the generating of the binary image data comprising: identifying a background color value representing color of background of the target image; identifying a letter color value representing color of the letter in the target image; determining a characteristic value concerning a sharpness of the letter in the target image; determining a binarizing threshold value by using the background color value, the letter color value, and the characteristic value; and performing a binarizing process on the target image data by using the binarizing threshold value to generate the binary image data.. .
10/03/13
20130256541
Direct conversion x-ray detector
The invention relates to a radiation detector (100) comprising a converter element (102) for converting incident high-energy radiation (x) into charge signals. A cathode (101) and an array(104) of anodes (103) are disposed on different sides of the converter element(102) for generating an electrical field (e0, ed) within it the strength of said electrical field (e0, ed) is increased in a first region(rd) near the anode array(104) with respect to a second region(r0) remote from it.
09/05/13
20130230258
Image sharpness processing apparatus and image sharpness processing method
The present invention discloses an image sharpness processing apparatus and an image sharpness processing method thereof. The apparatus comprises an image capturing module and a processing module.
08/15/13
20130208166
Focus adjusting method and image capture device thereof
By determining using a linear adjustment, a directional adjustment, or a focus scan adjustment on a movable lens unit according to which range region the sharpness of a digital image or a region of interest of the digital image falls in, best focus control performance may be simply and rapidly fulfilled.. .
08/01/13
20130197347
Method for free-breathing magnetic resonance imaging using iterative image-based respiratory motion correction
A method for free-breathing magnetic resonance imaging (mri) using iterative image-based respiratory motion correction is provided. An mri system is used to acquired k-space data and navigator data from a subject.
07/25/13
20130190578
Low pain penetrating member
Reducing the volume or drag on skin or sharpness of the penetrating member entering the wound during the cutting process will reduce the pain associated with lancing, and result in less power desired for retraction of the penetrating member from the skin. A variety of other penetrating member configuration as shown in the application..
07/18/13
20130184609
3d fabrication of needle tip geometry and knife blade
The present invention provides a method for creating a beveled needle or a blade. The method employs a side wall surface of an angled post as a base to control beveled tip geometry.
07/18/13
20130182961
Auto-focus image system
An auto-focus image system includes a focus signal generator and a pixel array coupled thereto that captures an image that includes a plurality of edges. The generator computes a focus signal from a plurality of edge-sharpness measures, each measured from and contributed by a different edge as a quantity with a unit that is a power of a unit of length.
07/18/13
20130182333
Apparatus and process for producing plano-convex silicone-on-glass lens arrays
Coating a machined mold with a flowable, hardenable polymer coating produces an optically-smooth finish and maintains sharpness in upward-pointing features. These procedures produce molds for highly efficient plano-convex silicone-on-glass lens arrays in a fast and inexpensive manner in which an end-mill defines the shape of a lens, and the coating produces its smoothness.
07/18/13
20130182319
Three-dimensional image display panel structure
The present invention relates to a structure of a multi-viewpoint stereoscopic image display panel using an integral photography method, which can expand an effective viewing angle by changing an array of an interlaced flat image pattern, and enhance sharpness of an image by removing an image jump phenomenon. An integral photography display panel includes a lens array layer on which unit convex lenses are arranged to offset each other, an interlace layer positioned at a focal distance below the lens array layer, and a focal distance securing layer for positioning the interlace layer at the focal distance of the lens array layer, wherein the interlace layer is stacked in a “brick layering” structure in which a center of a unit image is arranged to be aligned with a center of a unit convex lens using an image photographed from multi-viewpoints and interlaced into a rectangle as the unit image..
07/18/13
20130182095
System and method for iris data acquisition for biometric identification
A system and related method for acquiring high quality images of the iris of an unconstrained subject comprising a camera; a controllable focusing component; a focus controller component that controls the lens to focus at successively different points within a focus range, such focus control performed without any input from measurement of whether the image is in focus or out of focus, be it based from measurements of the image or other distance metrics to the subject; and a sharpness detection component that rejects the most out-of-focus images based on measurement of focus on the image is disclosed.. .
07/18/13
20130182094
System and method for iris data acquisition for biometric identification
A system and related method for acquiring high quality images of the iris of an unconstrained subject comprising a camera; a controllable focusing component; a focus controller component that controls the lens to focus at successively different points within a focus range, such focus control performed without any input from measurement of whether the image is in focus or out of focus, be it based from measurements of the image or other distance metrics to the subject; and a sharpness detection component that rejects the most out-of-focus images based on measurement of focus on the image is disclosed.. .
07/18/13
20130182093
System and method for iris data acquisition for biometric identification
A system and related method for acquiring high quality images of the iris of an unconstrained subject comprising a camera; a controllable focusing component; a focus controller component that controls the lens to focus at successively different points within a focus range, such focus control performed without any input from measurement of whether the image is in focus or out of focus, be it based from measurements of the image or other distance metrics to the subject; and a sharpness detection component that rejects the most out-of-focus images based on measurement of focus on the image is disclosed.. .


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Sharpness topics: Image Processing, Aberration, Microscope, Digital Microscope, Imaging System, Data Acquisition, Image Characteristics, Processing Device, Background Image, Image Capture, Data Segment, Respiratory, Magnetic Resonance Imaging, Retraction, Lens Array

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