|
Match
|
Document |
Document Title |
|
|
7627191 |
Image manipulation
Image data is scaled, rotated and/or otherwise manipulated. Diffusive effects of associated interpolation and/or re-sampling are compensated for, or corrected, by applying an adaptive packing form...
|
|
|
7626639 |
Method and apparatus for detecting noise in moving picture
An image processing apparatus includes a difference generation section and a histogram generation section. The difference generation section generates picture differences between frames of a moving...
|
|
|
7616830 |
Method and device for reducing blocking artifacts in a compressed digital image without reducing clarity of edges
Artifacts of an incident digital image including pixels carrying information are reduced by determining, for certain pixels being considered from the image, displaced pixels. A displaced pixel...
|
|
|
7605838 |
Broadcast signal receiving apparatus and method of filtering noise signals
Broadcast signal-receiving apparatus and a method filtering noise signals. The broadcast signal-receiving apparatus includes a tuner to convert an RF signal to a lower frequency signal to output an...
|
|
|
7602866 |
Signal receiver devices and methods
A method/apparatus is provided that detects impairment in a received signal and employs the structure in the receiver that is designed for that purpose. Preferably, the method/apparatus detects the...
|
|
|
7602440 |
Image processing apparatus and method, recording medium, and program
The present invention relates to an image processing apparatus and method, a recording medium, and a program that can very sharply display video images which are subjected to frame rate conversion...
|
|
|
7599007 |
Noise detection method, noise reduction method, noise detection device, and noise reduction device
In detection of noise by comparing a digital input image signal and an output image signal in one previous frame with each other, when the input image signal, the output image signal in one...
|
|
|
7595841 |
Video image stabilization and registration—plus
A method of stabilizing a video image displayed in multiple video fields of a video sequence includes the steps of: subdividing a selected area of a first video field into nested pixel blocks;...
|
|
|
7595825 |
Image pickup system and image processing program
An image pickup system includes a color noise estimation section, which has a local region extraction section that extracts luminance and color difference signals in units of 4×4 pixels from...
|
|
|
7593065 |
Method and circuit for channel filtering of analog or digitally modulated TV signals
In order to suppress interference signals from adjacent TV channels, an intermediate frequency signal is demodulated with a signal (S(f BT ; 0°)) at a video carrier frequency into an in-phase...
|
|
|
7573535 |
Image data processing circuit
Disclosed is an image data processing method capable of reducing visual discomfort perceived by users in the recovery from a receive error in a receiver. According to the image data processing...
|
|
|
7570831 |
System and method for estimating image noise
A method for estimating image noise. Image data for at least one column of pixels and at least one row of pixels of the image is sampled. At least one filter is applied on sampled image data...
|
|
|
7570309 |
Methods for adaptive noise reduction based on global motion estimation
An improved temporal noise reduction method and system detects the global motion and adjusts the overall gain of the temporal filtering. Temporal noise reduction is applied to two video frames,...
|
|
|
7570307 |
Filter device
A filter device comprises a digital filter, a maximum/minimum detector circuit, and a limiter circuit. The digital filter includes unit delay elements chained together and having M stages (M is an...
|
|
|
7567299 |
Method and device of frame-cyclic noise reduction
A frame-cyclic noise reduction device of an image display device, in which one field is divided into a plurality of sub-fields, and turned-on sub-fields are properly combined to provide an image...
|
|
|
7567298 |
Apparatus and method for detecting NTSC co-channel interference
A television set includes an ATSC (Advanced Television Systems Committee) receiver, which includes an NTSC (National Television Systems Committee) co-channel interference detector based on carrier...
|
|
|
7554611 |
Method and apparatus of bidirectional temporal noise reduction
A method of bidirectional temporal noise reduction in a video signal processing system is provided. A video signal comprising a video sequence of frames is received. Backward temporal noise...
|
|
|
7554609 |
Method and apparatus for detecting and rejecting NTSC Interference in ATSC system
A method and apparatus for rejecting an interference signal from an input frequency spectrum. The method includes the steps of receiving the input signal; frequency-shifting the received input...
|
|
|
7551694 |
Limiter based analog demodulator
A limiter based analog demodulator includes a power amplifier receiving a base-band signal and a local clock operating at the base-band frequency. A first multiplier receives an output from the...
|
|
|
7551232 |
Noise adaptive 3D composite noise reduction
A method for filtering digital video is disclosed. The method generally includes the steps of (A) checking a plurality of original blocks in an original field for a plurality of artifacts, wherein...
|
|
|
7548278 |
Spatio-temporal noise removal method using block classification and display device using the same
A spatio-temporal noise removal method using block classification that removes noise from a third field by using first, second, and third fields which are continuously inputted. The method includes...
|
|
|
7548277 |
Device and method for estimating the noise of a video signal
The disclosure relates to a device and a method for estimating the noise level of a video signal representing image sequences. The device comprises a movement compensated interpolation means, a...
|
|
|
7545893 |
Single antenna interference cancellation via complement subspace projection in spatial-temporal expansion of noise estimation
Interference rejection in a wireless communication system involves determining a complement spatial-temporal signal subspace that is complement to a spatial-temporal signal subspace of an...
|
|
|
7538825 |
Wireless redistribution system for terrestrial digital television broadcasting
A transmitter includes: frequency conversion means for collectively frequency-converting terrestrial digital TV broadcast signals inputted such that the frequency of terrestrial digital TV...
|
|
|
7538824 |
Systems and methods for reducing noise during video deinterlacing
A method of deinterlacing includes generating a deinterlaced display frame including a reference field of lines of display pixels of a first parity and a generated field of lines of display pixels...
|
|
|
7538822 |
Apparatus and method for filtering digital image signal
An apparatus and method of filtering a digital image signal. The apparatus includes: a noise reduction filter which selectively outputs one of results obtained by temporally and spatially filtering...
|
|
|
7535517 |
Method of motion compensated temporal noise reduction
A method of reducing noise in a sequence of digital video frames is performed by motion estimation between a current noisy frame and a previous noise-reduced frame, to generate motion vectors...
|
|
|
7522220 |
Dual-channel adaptive 2D noise reduction for video signals
A noise reduction system that not only preserves details in images but also provides essentially clean, smooth, and natural looking homogeneous regions in images. The noise reduction system...
|
|
|
7511769 |
Interframe noise reduction for video
A system to reduce noise includes a noise measurement device that provides a measure of noise associated with a digital input video signal. A noise reduction filter provides a noise-reduced digital...
|
|
|
7511768 |
Dynamic filter to limit ringing
A media processing system for limiting ringing in a filter output. A detection filter receives a media signal and generates a detection signal. The detection signal has a constant value over...
|
|
|
7505515 |
Accurate timing alignments for decision directed continuous time equalizers
A continuous time equalizer for equalizing an input signal using a feedforward equalizer portion and a feedback equalizer portion is provided that includes: a slicer operable to make bit decisions...
|
|
|
7505083 |
Directional interpolative smoother
A method and system for smoothing a frame to remove jagged edges are presented. The method and system generates a smoothing filter with consolidated pixels. Edges within the smoothing filter are...
|
|
|
7499109 |
Method and apparatus for receiving digital television signals using space diversity and beam-forming
A receiver that receives radio signals, and a method for the same. The radio signals may be received by a plurality of antennas and then demodulated by respective converter devices, an estimated...
|
|
|
7483481 |
System and method for adaptively updating precoder taps
A system for adaptively updating precoder taps comprises a first signal path, a second signal path, a delay mechanism, and logic. The first signal path is configured to receive encoded signals. The...
|
|
|
7483039 |
System for programmable dithering of video data
A programmable system for dithering video data. The system is operable in at least two user-selectable modes which can include a small kernel mode and a large kernel mode. In some embodiments, the...
|
|
|
7474356 |
Display system and method of eliminating residual image in the same
A display system and a method of eliminating a residual image on a display causes an on screen display (OSD) block to be moved to different locations on the display to eliminate the residual image....
|
|
|
7474316 |
Bit-depth extension of digital displays via the use of models of the impulse response of the visual system
A dithering pattern that is generated based on a spatial operation is used for a Bit-Depth Extension (BDE) technique for preventing contouring artifacts in an image displayed by a display having a...
|
|
|
7466364 |
Device for reducing flicker defects
The invention relates to a device for reducing flicker disturbances in a video signal having a temporal median filter and a filter connected downstream. The temporal median filter serves for...
|
|
|
7460147 |
Interference detecting circuit utilizing synchronization symbols and method thereof
An interference detecting circuit for use in an ATSC system and for detecting interference of an ATSC signal includes: a buffering module for delaying to output a first PN 63 synchronization...
|
|
|
7460133 |
Optimal hiding for defective subpixels
A technique for the modification of sub-pixels to hide defects for defective sub-pixels.
|
|
|
7454083 |
Image processing apparatus, image processing method, noise-amount estimate apparatus, noise-amount estimate method, and storage medium
An image processing apparatus processes input pixel data and outputs the processed pixel data as output pixel data. The image processing apparatus includes an input reliability calculation section...
|
|
|
7453523 |
Noise reduction apparatus
A noise reduction apparatus includes a subtracter receives a motion video signal and finds a difference signal indicative of a difference from a motion video signal preceding by 1 frame and from...
|
|
|
7450778 |
Artifact reduction in a digital video
A method performed by a processing system is provided. The method comprises performing a first set of correlations between a first plurality of pixel values in a first frame and a target pixel...
|
|
|
7450181 |
Bit-depth extension with models of equivalent input visual noise
A method for extending bit-depth of display systems. The method includes creating pseudo-random noise from human visual system noise. When applied to the image data, the noise causes spatiotemporal...
|
|
|
7443448 |
Apparatus to suppress artifacts of an image signal and method thereof
An apparatus to suppress artifacts in an image signal. The apparatus includes a differential value calculation unit to calculate a differential value between adjacent pixels with respect to an...
|
|
|
7440037 |
Anti-aliasing characters for improved display on an interlaced television monitor
Anti-aliasing characters for improved display on an interlaced television monitor is described. In one implementation, an expanded character is generated by increasing a character's original...
|
|
|
7440035 |
Cable extending device
Attenuation compensation volume computing means ( 60, 61, 62, 63, 67, 68, 69, 70 ) of a signal receiver computes attenuation compensation volume of a video signal (G L , G H ) on the basis of...
|
|
|
7430337 |
System and method for removing ringing artifacts
Ringing artifacts are removed from a quantized image by an image de-ringing filter that includes a determination unit, an adaptive filter and a nonlinear low-pass filter. The determination unit...
|
|
|
7428020 |
Method and apparatus for noise reduction of video signals
The present invention provides a method of noise reduction applied in digital video signal processing according to the following steps. A video signal is received initially; after the adaptive...
|
|
|
7426315 |
Method for reducing blocking artifacts
A method for removing blocking artifacts from moving and still pictures, comprising classifying horizontal and vertical boundaries in each picture as blocky or non-blocky; for each blocky boundary,...
|