|| List of recent Interpolation-related patents
| Method of handling frequency-domain interpolation and related frequency-domain interpolator|
A frequency-domain interpolator for estimating a plurality of channels corresponding to a plurality of subcarriers comprises an edge pilot estimation unit, for generating a plurality of pilots according to a plurality of input pilots, a pilot interval ratio and a complexity parameter; a first selection unit, for selecting a plurality of pilot groups from the plurality of pilots according to the pilot interval ratio and the complexity parameter; a second selection unit, for generating a plurality of coefficient groups corresponding to the plurality of channels according to a channel profile and a used pilot interval, wherein each of the plurality of coefficient groups corresponds to a set of the plurality of channels; and a filter unit, for generating the plurality of channels according the plurality of pilot groups, the plurality of coefficient groups, and a relation between the plurality of pilot groups and the plurality of coefficient groups.. .
| Apparatus and method for receiving data in communication system|
Disclosed are an apparatus and a method for normally receiving data by accurately estimating and compensating for a frequency offset for a wireless frequency channel through which data are transmitted in a communication system under wireless frequency environment. In the present invention, data transmitted through the wireless frequency channel are received, the frequency offset in the wireless frequency channel from the receive data is estimated based on an interpolation scheme using the periodogram, and the frequency offset is compensated to receive the data by frequency-synchronizing with the wireless frequency channel..
| Inferring threshold voltage distributions associated with memory cells via interpolation|
The present disclosure includes apparatuses and methods for inferring threshold voltage distributions associated with memory cells via interpolation. A number of embodiments include determining soft data for a group of memory cells each programmed to one of a number of data states, wherein the soft data comprises a number of different soft data values, determining a quantity of memory cells associated with each of the different soft data values, and inferring at least a portion of a threshold voltage distribution associated with the group of memory cells via an interpolation process using the determined quantities of memory cells associated with each of the different soft data values..
| Subpixel resolution by interpolation of crosstalk from adjacent pixels|
A pixel interconnect circuit that can be added to a focal plane array, which enables subpixel location capability (subpixel sensing) for an imaged point source and facilitates very high frame rate operation. The pixel interconnect is typically added as a circuit component within the readout integrated circuit.
| System and method for pulse width modulation digital-to-analog converter|
A system and method is disclosed for a digital to analog converter which includes an interpolation filter to up-sample a digital signal, a noise shaping modulator to suppress in-band quantization errors due to digital pulse width modulation and truncation errors, and a hybrid finite impulse response filter/digital to analog converter coupled to a reconstruction filter which outputs the analog signal. The hybrid finite impulse response filter/digital to analog converter uses n-taps implemented digitally and n-tap weights implemented in analog using switched capacitors..
| System and method for a high resolution digital input class d amplifier with feedback|
A system and method is disclosed for a digital to analog converter which includes an interpolation filter to up-sample a digital signal, a noise shaping modulator to suppress in-band quantization errors due to digital pulse width modulation and truncation errors, and a hybrid finite impulse response filter/digital to analog converter coupled to a class d delta-sigma pulse width modulation control loop.. .
| System and method for a high resolution digital input class d amplifier with feedback|
A system and method is disclosed for a digital input class d amplifier which includes an interpolation filter to up-sample a digital signal, a noise shaping modulator to suppress in-band quantization errors due to digital pulse width modulation and truncation errors, and a hybrid finite impulse response filter/digital to analog converter coupled to an analog input class d amplifier with digital pulse width modulation control loop. The hybrid finite impulse response filter/digital to analog converter uses n-taps implemented digitally and n-tap weights implemented in analog using resistors..
| System and method for pulse width modulation digital-to-analog converter|
A system and method is disclosed for a digital to analog converter which includes an interpolation filter to up-sample a digital signal, a noise shaping modulator to suppress in-band quantization errors due to digital pulse width modulation and truncation errors, and a hybrid finite impulse response filter/digital to analog converter coupled to a reconstruction filter which outputs the analog signal.. .
| Multi-axis controlled self-climbing tree trimmer|
A multi-axis controlled self-climbing tree trimmer used for shaping and severing peripheral growth from a tree is provided herein. The trimmer typically includes a structural segment hinged together to form a rigid chassis that surrounds a tree trunk climbing segment and a trimming portion.
|Data transfer device|
A data transfer device includes a fifo memory and a control unit which obtains a data amount of the fifo memory to control the fifo memory and outputs a selection signal corresponding to the obtained data amount of the fifo memory. An output data generation unit generates output data including either one of the second output data and an interpolation data selected based on the selection signal, and a first output data stored in a frame memory..
|Systems, methods, and computer program products for compound image demosaicing and warping|
Methods, systems, and computer program products to obtain a color image from a color filter array, such as, for example, a color filter array comprising a bayer pattern. A method of image processing includes, for each pixel location (i,j) and for each color channel in a color image, determining a warped location (i′,j′) in a color filter array, and determining a color value of the color channel at location (i′,j′) in the color filter array.
|System and method for correlating camera views|
A method for correlating views of two or more video camera systems includes obtaining a plurality of data point coordinate sets to represent relative positioning between the camera systems and data point objects in the environment. The views may be correlated through interpolation or extrapolation using the obtained data point coordinate sets.
|Speech synthesis apparatus, method, and computer-readable medium|
According to one embodiment, a speech synthesis apparatus is provided with generation, normalization, interpolation and synthesis units. The generation unit generates a first parameter using a prosodic control dictionary of a target speaker and one or more second parameters using a prosodic control dictionary of one or more standard speakers based on language information for an input text.
|Method and system for optical coherence tomography|
In order to assure an examination of the object in the case of medical applications that is as reliable as possible, an interpolation of the initial image values of the at least two two-dimensional initial images (s) is performed in three-dimensional space, wherein interpolation values are obtained that form a two-dimensional final image (s′).. .
|Lithographic printing system with placement corrections|
The technology disclosed relates to methods and devices that compensate for displacements in a pattern or deformations of a workpiece. In particular, this relates to using timing to compensate for displacements along a first axis along the scanning direction while using resampling, interpolation or a similar method to compensate for displacements along a second axis that is substantially orthogonal to the first axis.
|Method and system for imaging an external scene by employing a custom image sensor|
A method and system are provided to image an external scene by employing a custom image sensor. The custom image sensor may use a grrb array to filter the images of oncoming and preceding vehicle taillights captured by a vehicle camera.
|Realization of time-domain ultra wideband ground-penetrating radar using high speed accumulation and interpolated sampling|
Embodiments of the disclosed technology use high-speed interpolated (interdigitated) sampling for the specific purpose of gpr (ground-penetrating radar). This technology solves several issues associated with high-speed sampling in gpr which included 1) dynamic range limitations, 2) regulatory compliance issues, 3) sampler core offset error, and 4) timing errors.
|Image processing apparatus and method of controlling the same|
The correction amount of an aberration caused in each pixel of the region by the optical system is calculated. A predetermined number of peripheral pixels center on a position apart from the pixel by the distance corresponding to the calculated aberration correction amount are multiplied by interpolation coefficients obtained from an interpolation function and added, thereby deriving the pixel value at the pixel position after correction.
|Method and apparatus for displaying radiological images|
A method for viewing radiological images, comprising providing a first radiological image, providing a second radiological image co-registered with the first radiological image, computing at least one intermediate image as an interpolation of the first radiological image and the second radiological image, and displaying a sequence of images comprising the first radiological image, the at least one intermediate image, and the second radiological image to a user.. .
|Image processing apparatus, image processing method, display system, video generation appartus, and reproduction apparatus|
When a plurality of image streams of input signals to the video signal processing unit 120 are captured or generated with the same timing, interpolation processing for generating an interpolated image in terms of time is performed on at least one of the plurality of image streams, and the change of the apparent parallax is suppressed. More specifically, interpolation processing in terms of time is performed, so that a time difference of a time at which interpolation images of a plurality of image streams are generated is the same as a time difference of operation for separating the corresponding parallax images..
|Adaptive filtering for image transform processes|
Adaptive filtering techniques are set forth that improve video playback performance. A color similarity metric is computed for source pixels undergoing an image transform operation to determine color values of a target pixel location.
|Interpolative digital-to-analog converter|
An interpolative digital-to-analog (d/a) converter is adapted to convert a n-bit digital signal into an analog signal, where n is a positive integer greater than 1. The interpolative d/a converter includes a router unit that outputs first and second router voltages based on the first and second bits of the digital signal, and an interpolation unit that receives the first and second router voltages from the router unit, and that performs interpolation operation on the first and second router voltages according to the first bit of the digital signal, so as to generate the analog signal having a voltage magnitude ranging from the first router voltage to the second router voltage..
|Apparatuses and methods for linear to discrete quantization conversion with reduced sampling variation errors|
Provided is an apparatus for converting a continuous-time, continuously variable signal into a sampled and quantized signal, which includes an input line for accepting an input signal, multiple processing branches coupled to the input line, and an adder coupled to outputs of the plurality of processing branches. Each of the processing branches includes a sampling/quantization circuit and a digital bandpass interpolation filter having an input coupled to an output of the sampling/quantization circuit.
|Synchronizing sensor data using timestamps and signal interpolation|
A method of synchronizing sensor data using timestamps and interpolation. The method includes receiving sequences of time-stamped data indicative of physical events from each of a plurality of sensors; generating an interpolation filter according to desired sampling times; and interpolating the sequences of time-stamped data with the generated filter to obtain sequences of data that are synchronize.
|Adaptive interpolation filters for video coding|
In digital video image encoding and decoding, a filter type is selected based on symmetrical properties of the images and coefficient values of an interpolation filter are calculated based on the selected filter type. Coefficient values, filter tap-length and selected filter-type are provided in the encoded video data.
|Robust metric computation of longitudinal position (lpos) data symbol detection|
An apparatus according to one embodiment includes a digital correlator configured to compute a correlation signal between a sequence of samples of a readback servo signal and a reference waveform. A timing reference module is configured to provide a reference timing model comprising one or more interpolation instants to the digital correlator, wherein the correlation signal determined at each interpolation instant yields a detection metric for one data symbol.
|Dual lens digital zoom|
A camera with a pair of lens/sensor combinations, the two lenses having different focal lengths, so that the image from one of the combinations has a field of view approximately two to three times greater than the image from the other combination. As a user of the camera requests a given amount of zoom, the zoomed image provided will come from the lens/sensor combination having the field of view that is next larger than the requested field of view.
|X-ray computed tomography apparatus and reconstruction processing method|
According to one embodiment, an x-ray computed tomography apparatus includes an x-ray generation unit, an x-ray detection unit, a unit to reconstruct volume data for a reconstruction region having an operator-designated diameter based on projection data, a unit to generate interpolation data based on measurement data to complete projection data for end portions of the reconstruction region wherein the projection data required for reconstructing the volume data of a middle portion of the reconstruction region is acquired as the measurement data, and a unit to decide a width of the end portions based on the set radiation range along the top's longitudinal direction, reconstruction region's diameter, and object's imaging target portion.. .
|Optical coherence tomographic imaging apparatus|
An optical coherence tomographic imaging apparatus includes a wavelength-sweeping light source. The wavelength-sweeping light source includes an optical resonator in which a light amplifying medium and a dispersive element configured to give angular dispersion to light emitted from the light amplifying medium according to the wavelength are provided, and a wavelength selection element having a rotating mechanism.
|Interpolation of images|
Apparatus for interpolating images generates motion vectors having a vector confidence value and has a motion compensated interpolation to use the motion vectors to interpolate a new image from two input images at a position determined by a phase control signal. The vector confidence values are used to generate an interpolation confidence measure.
|Method for producing a part|
A method for producing a part is provided, the method including the following: a first step of a computer-aided simulation for a plurality of cross-sections of the part based on a 3d cross-sectional model and obtaining a first result, which represents shrinkage of the part basically caused by thermal and/or chemical reactions; a second step of a further computer-aided simulation for the plurality of cross-sections of the part based on a 2d shell model and obtaining a second result, which represents shrinkage of the part basically caused by thermal and/or chemical reactions; determining a scale factor for the second result in such a way that the second result corresponds to the first result; determining scale factors for any cross-sections which are between two adjacent cross-sections from the plurality of cross-sections, by interpolation; predicting a distortion of the part; and producing the part based on the predicted distortion of the part.. .
|Combustion blower control for modulating furnace|
A furnace includes a combustion blower and one or more pressure switches. In some cases, the one or more pressure switches may be used to calculate one or more operating points for the combustion blower.
|Interpolation and/or extrapolation of seismic data|
A method of processing seismic data is provided in the seismic data is acquired at a plurality of locations and the method comprises interpolating and/or extrapolating the seismic data, thereby to estimate seismic data at a target location different from the plurality of locations. The interpolating and/or extrapolating the seismic data is performed in a polar co-ordinate system.
|Color imaging element, imaging device, and storage medium storing an imaging program|
Interpolation precision of phase difference detection pixels is raised. An image sensor (14) is provided with a color filter (30) upon which a basic sequence pattern, formed by disposing a first sequence pattern and a second sequence pattern in point symmetry, is repeatedly disposed.
|Color imaging element, imaging device, and storage medium storing a control program for imaging device|
Interpolation precision of phase difference detection pixels is raised. An image pickup device includes: a color filter disposed with a repeating basic array pattern configured by 3×3 pixel square arrays of a first array pattern and a second array pattern disposed symmetrically about a point; a first phase difference detection pixel that is placed at a position of a pixel corresponding to 1 corner portion out of the 4 corner portions of at least one array pattern in 1 pair of the first array pattern and the second array pattern out of 2 pairs of the first array pattern and the second array pattern configuring the basic array pattern; and a second phase difference detection pixel that is placed at a position of a pixel corresponding to 1 corner portion out of the 4 corner portions in the array pattern, out of the first array pattern..
|Method for directional adaptive image interpolation and an electronic device thereof|
A method of operating an electronic device for image interpolation is provided. The method includes estimating a direction of pixels using a plurality of filters respectively corresponding to a plurality of angles, correcting the direction of the pixels using a direction of neighboring pixels, determining whether the direction estimation has an error according to a direction distribution of the neighboring pixels, and when the direction estimation is determined to have error, correcting the error in the direction estimation..
|Apparatus and method for interpolating image, and apparatus for processing image using the same|
An image interpolation apparatus is provided which includes an edge area distinguishing part configured to distinguish an edge area including an edge from an image; an edge area classifying part configured to classify the edge area into a plurality of regions; and an interpolation part configured to perform interpolation the regions in different manners.. .
|Signal processing apparatus and signal processing method|
A signal processing apparatus includes a representative value calculation unit and a low pass component extraction value calculation unit. The representative value calculation unit is configured to calculate, when areas obtained by dividing a frame image in units of a plurality of pixels are each assumed as a block, an average value of pixel values within each block as a representative value of the block based on an input video signal.
|Projection apparatus, projection system, and projection method|
A projection apparatus includes: a receiving unit that receives, from a drawing device, drawing position information indicating a drawing designated position on a projection surface and drawing request information; a first generating unit that generates image data to be projected onto the projection surface using the drawing position information received in a receiving period, over which the drawing request information is being received; a judgement-value calculating unit that calculates a drawing failure period, over which the drawing position information is not received in the receiving period; a pattern storage unit that stores multiple types of pattern images; a second generating unit that generates interpolation image data of a portion corresponding to the drawing failure period using one of the pattern images that is similar to the image data; and a projecting unit that projects the image data interpolated with the interpolation image data.. .
|Fast pattern interpolation with parallel coherent random walk searching|
There is provided a method and system for fast pattern interpolation with parallel coherent random walk searching. The system includes a system processor and a system memory, and an image processing application stored in the system memory.
|Bilinear interpolation circuit for image and method thereof|
Disclosed herein are a bilinear interpolation circuit for an image and a method thereof. The bilinear interpolation method for ran image according to an exemplary embodiment of the present invention includes: increasing an input clock of a camera two times by a pll; reading a plurality of reference pixels to be interpolated from the memory while storing input images (pixels) in the memory by the memory control unit, matching a clock timing increased two times; calculating pixel values to be corrected by an arithmetic operation by the data interpolation unit based on the read pixel (image) data; and outputting the calculated pixel values to be corrected by the output format conversion unit, matching an original clock speed..
|Pixel-adaptive interpolation algorithm for image upscaling|
Methods and apparatuses use a pixel-adaptive interpolation algorithm to provide image upscaling. For each pixel location, the algorithm determines whether to use a high quality scaler algorithm (such as a polyphase filter, for example) or a directional interpolator to determine the pixel value.
|Image coding method, image decoding method, image coding apparatus, and image decoding apparatus|
According to an embodiment, an image coding method is for coding an image including a luminance component and color difference components. The method includes acquiring a reference image; and generating a predicted image by interpolating the luminance component and the color difference components in the reference image according to a motion vector.
|Methods and apparatus for geometric-based intra prediction|
Methods and apparatus are provided for geometric-based intra prediction. An apparatus includes a video encoder for encoding picture data for at least a portion of a block in a picture by detecting a local geometric pattern in a surrounding area with respect to the portion, and performing at least one of interpolation and extrapolation with respect to an edge direction of the local geometric pattern to generate an intra prediction for the portion..
|Inter picture prediction method for video coding and decoding and codec|
The invention discloses an inter picture prediction method for video coding and decoding and a codec. The inter picture prediction method for video coding comprises: performing motion estimation over integer pixel positions of a reference picture, to determine an optimal motion vector for a current prediction unit in a current picture; and performing interpolation filtering processing for motion estimation over fractional pixel position by using the integer pixel position information to which the optimal motion vector directs in the reference picture, and spatially neighboring pixel information of the current prediction unit in the current picture.
|Satellite tracking system and method of controlling the same|
A satellite tracking system and a method of controlling the same, in which the satellite tracking system comprises an argo-m operation system (aos) and a tracking mount system (tms). The aos comprises a time & frequency system configured to include a global positioning system (gps) receiver, and to receive universal time coordinated (utc), and an interface control system (ics) configured to calculate the orbital position data of a satellite using the utc and per-satellite estimated orbit data by means of lagrangian interpolation, and to send a command to track the position of the satellite.
|Method and system for temporal frame interpolation with static regions excluding|
An image processing apparatus, system, and method to exclude a static region from a set of video frames, temporally interpolate the set of video frames having had the static region excluded therefrom to produce an interpolated video frame, and generate a video frame by combining the static region with the temporally interpolated video frame.. .
|Image producing method, image producing apparatus and radiation tomographic imaging apparatus, and program|
An image producing method is provided. The method includes acquiring regular-interval parallel-beam projection data whose intervals in a channel direction are the same and parallel to each other in a plurality of view directions by applying interpolation processing in a view direction, rearrangement processing, and interpolation processing in the channel direction to fan-beam projection data, and reconstructing an image by applying back projection processing to the acquired regular-interval parallel-beam projection data, wherein the interpolation processing in the view direction includes interpolation processing which is performed along a curve or a first straight line made by deforming or rotating a second straight line parallel to the view direction so as to be proximate to a trajectory drawn by dots corresponding to a desired position in a scan field of view region on a sinogram of the collected fan-beam projection data in the plurality of views..
|Channel estimation method and apparatus|
A channel estimation method and apparatus are provided. The channel estimation method includes: extracting pilot data in a received signal; performing pilot channel estimation by using the extracted pilot data to obtain transmission coefficients of multiple groups of pilot channels; and obtaining a transmission coefficient of a data channel through non-linear interpolation processing by using the obtained transmission coefficients of the multiple groups of pilot channels.
|Signal processing device, signal processing method, computer readable media storing signal processing program and radar apparatus|
A signal processing device is provided. The device includes a signal input unit for receiving reception signals obtained from transmission signals reflecting on one or more objects, a pulse compressor for pulse compressing the reception signals, an interference detector for detecting a reception signal caused by interference, from the pulse-compressed reception signals, a signal level controlling module for controlling a level of the detected reception signal, and an interpolation processing module for interpolating the level-controlled reception signal in an azimuth direction..
|Function approximation circuitry|
Function approximation circuitry approximates an arbitrary function f over discrete inputs. Discrete values of the function f are stored in a lookup table (lut) component for various inputs.
|System and method to compute narrow bounds on a modal interval polynomial function|
A computer executable method of processing a representation of a modal interval polynomial is provided. A representation of a modal interval polynomial is generally provided as input, more particularly, a representation comprising a modal interval function variable and an array of modal interval coefficients.
|Enhancing performance of spectral band replication and related high frequency reconstruction coding|
The present proposes new methods and an apparatus for enhancement of source coding systems utilising high frequency reconstruction (hfr). It addresses the problem of insufficient noise contents in a reconstructed highband, by adaptive noise-floor addition.
|Control unit, control method, and control program of articulated robot|
In order to suppress fluctuations in specific components of posture angle in a target coordinate system while maintaining the position of the leading edge of the wrist, the velocity of movement of the leading edge of the wrist, and the permissible velocity of the shaft during velocity suppression, an articulated robot which moves while calculating the position in interpolated points on a teaching path, the posture and the angles in each axis is provided, wherein a judgment is made as to whether the velocity of the wrist shaft exceeds a permissible limit, and if the permissible limit is exceeded, a plurality of candidates for angle of the wrist shaft that maintain the velocity within permissible limits are calculated, and the candidate with the minimum fluctuation in the specific component of the posture angle of the weld line coordinate system is selected from said plurality of candidates and made to serve as the angle of the wrist shaft, the angles of other shafts that correspond to this angle are recalculated and made to serve as the subsequent interpolation point, and the articulated robot is driven.. .
|Method of processing image signals and related method of image capture|
A method of processing image signals comprises determining whether each of multiple units of input pixel data received from an image sensor is bad pixel data generated by a bad pixel of the image sensor or normal pixel data generated by a normal pixel of the image sensor, and performing interpolation to generate image data corresponding to the bad pixel using only normal pixel data and omitting bad pixel data.. .
|Wireless proportional flow indication for a tire inflation system|
A flow indication system for a central tire inflation system is provided. The flow indication system provides a venturi in fluid communication with the conduit providing air to a tire.
|Signal processing apparatus and signal processing method|
Digital signals with higher resolution are generated from dual-phase encode signals indicating phase changes of a position or an angle of a target. A signal processing apparatus for processing dual-phase encode signals indicating changes in position of a target, comprises: a first noise reduction unit configured to remove high frequency noise from each of the dual-phase encode signals before interpolation processing; an interpolating unit configured to apply interpolation processing to the dual-phase encode signals output from the first noise reduction unit to generate dual-phase encode signals with higher resolution; and a second noise reduction unit configured to remove noise from the dual-phase encode signals output from the interpolating unit..
|Information processing method and apparatus for deciding control parameters|
A computer-readable-recording-medium stored a program for causing a computer to execute: judging, for each of elements of a plurality of scattering parameters, whether a difference between a first-area in a plane containing an axis representing frequency and an axis representing the element, and a second-area in the plane is within a permissible range, the first-area being surrounded by a first-element-value series of the element that is defined in advance for a plurality of first-frequencies, the second-area being surrounded by a second-element-value series that is obtained by performing interpolation calculation from the first-element-value series for a plurality of second frequencies which are different from the plurality of first-frequencies and which are provided at regular intervals; and determining, by performing the judging for one interval or a plurality of intervals, an interval so that the difference falls within the permissible range for all of the elements of the plurality of scattering parameters.. .
|Pattern conversion for interpolation|
A method of processing a digital image having a predetermined color pattern, includes converting the predetermined color pattern of the digital image into a converted digital image having a different desired color pattern; and using algorithms adapted for use with the desired color pattern for processing the converted digital image.. .
|Storage media for computing position of object using speckle pattern|
A storage media provided by the present invention, has a non-transitory processing software for computing a position of an object in a distance measurement system, the execution of the processing software comprising: receiving a plurality of reference image information contained in an image with a speckle pattern, wherein the image is projected from a light beam on a plurality of reference flat surfaces which are located on different position points, and the speckle contains a plurality of speckles; receiving an object image information contained in an image with the speckle pattern which is projected from the light beam on an object; obtaining a plurality of comparison results through comparing the plurality of reference image information with the object image information; and computing the position of the object through performing an interpolation operation to the plurality of comparison results.. .
|Non-rotational computerized tomography system|
A control unit which receives signals from the position correcting sensors equipped in the x-ray generation units and the x-ray detection units, and adjusts the positions of each of the x-ray generation units and the x-ray detection units which face each other to precisely correspond with each other; a data processing unit which stores two-dimensional x-ray images obtained from the x-ray detection units, and applies an image interpolation technique to calculate two-dimensional x-ray images between two directions; and an image processing unit which converts data of the data processing unit into ct image data.. .
|Apparatus and method for wireless baseband processing|
Apparatuses and methods for receiving and transmitting signals are provided. A baseband processor includes receiver circuitry including single carrier receiver circuitry for demodulating a received single carrier signal and multi-carrier receiver circuitry for demodulating a received multi-carrier signal.
|Duty ratio correction circuit, double-edged device, and method of correcting duty ratio|
A duty ratio correction circuit, includes: a frequency divider configured to output a second clock signal having a first level that is inverted at a timing of a first edge of a first clock signal and a third clock signal having a second level that is inverted at a timing of a second edge of the first clock signal; phase interpolator configured to generate a fourth clock signal and a fifth clock signal based on phase interpolation of any two of the second clock signal, the third clock signal, a first inverted signal that is obtained by inverting the second clock signal, or a second inverted signal that is obtained by inverting the third clock signal; and a multiplier configured to output an exclusive or signal of the fourth clock signal and the fifth clock signal as a sixth clock signal.. .
|Speech speed conversion factor determining device, speech speed conversion device, program, and storage medium|
A speech speed conversion factor determining device has a physical index calculation unit including a sound/silence judgment unit that distinguishes between sound and silent intervals of an input signal, a fundamental frequency calculation unit that calculates a fundamental frequency of the signal in the sound intervals and determines stable and unstable intervals, a frequency smoothing unit that smoothes the fundamental frequency in the stable intervals, a pseudo fundamental frequency calculation unit that calculates, for the intervals, a pseudo fundamental frequency by interpolation , and a fundamental frequency general shape connection unit that connects the smoothed and pseudo frequencies to obtain sampled values of a general shape of the frequency, such that the sampled values are output as an index, based on which conversion factor are calculated.. .
|2d ringing and overshoot control in image rescaling|
The methods and systems of this invention allow for independent adaptive control of ringing and overshoot effects in 2-dimensional array interpolation processes, including in image and video rescaling and analysis. The methods and systems can use either a column-wise or a row-wise interpolation, or a combination thereof.
|Image interpolation method based on matrix and image processing system|
The present invention relates to an image interpolation method based on matrix and an image processing system. The image processing system first determines a gradient direction of an image region formed by a pixel dot array containing an interpolation point, and then based on the gradient direction and a position of the interpolation point, determines a triangle for interpolation in the image region formed with the pixel dot array, and finally, based on pixel values of pixel dots corresponding to three vertexes of the determined triangle and a distance from the interpolation point to a vertex of the triangle, calculates a pixel value of the interpolation point.
|Apparatus and methods for adaptively resuming radio channel estimation|
Methods and apparatus for resuming radio channel measurements and estimations after an interruption in reception. In one exemplary embodiment of the present disclosure, an adaptive solution is provided for channel estimation based at least in part on the reception interruption duration.
|Low latency cadence detection for frame rate conversion|
A receiver is configured to receive video frames. A cadence detector is in communication with the receiver and is configured to analyze a newly received video frame to determine the cadence of the video frames.
|Green non-uniformity correction|
Systems and methods for correcting green channel non-uniformity (gnu) are provided. In one example, gnu may be corrected using energies between the two green channels (gb and gr) during green interpolation processes for red and green pixels.
|On-screen display device and on-screen display method|
Disclosed herein is a technology of reflecting a line width of an on-screen display (osd) image to calculate an appropriate interpolation rate and interpolating the osd image according to the calculated interpolation rate to output the interpolated osd image, in order to provide an osd image smoother as compared to the case according to the related art by smoothly displaying an osd image to reduce image shaking.. .
|Image forming apparatus and image forming method for correcting registration deviation|
There exists a problem that, for registration correction, carrying out less-than-one-pixel-basis correction and one-pixel-basis correction for an image after half toning using screen processing causes unevenness in density when it is hard for linearity of image density against a pwm to come out. Processing of interpolation is carried out so that the way how a halfdot is formed may always becomes the same after the interpolation processing.