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8184723 |
Feedback system and apparatus for video compensation
A system and apparatus for compensating cable losses in a video signal transmission system includes feedback circuits to determine the spectral attenuation of a received signal and to control an...
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8184199 |
Image processing apparatus and method for processing interlaced video
The invention provides an image processing apparatus for processing an interlaced video which includes a judging module, a determining module and a processing module. The judging module is used for...
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8184203 |
Video enhancement with separate and distinct methods of enhancement for single transitions and double transitions of opposite polarity
A transition enhancement method and system for use with television or computer displays submits single transitions occurring in an input signal to a first transition enhancement process; and...
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8181216 |
Data processing apparatus, data processing method, and data processing system
A data processing apparatus that appropriately adjusts the image quality of an image. At a plurality of user terminals, image data transmitted from a broadcasting station is processed based on...
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8174624 |
Image processing apparatus and image processing method
An apparatus outputs an image signal for each frame, divides a frame into sub-frames, acquires a first signal of high frequency components and a second signal of low frequency components of a...
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8175414 |
Dynamic noise filter and sigma filtering method
A dynamic noise filter is disclosed, which includes a noise estimation circuit, a TNR filtering circuit, a SNR filtering circuit, a blending circuit and a motion estimation circuit. By performing...
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8169546 |
Technique for tuner automatic gain control circuit for mobile television applications
A technique for providing stable tracking performance to an AGC loop circuit comprises amplifying a wideband radio frequency signal; detecting signals and blockers adjacent to the radio frequency...
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8170332 |
Automatic red-eye object classification in digital images using a boosting-based framework
Automatic red-eye object classification in digital images using a boosting-based framework. In a first example embodiment, a method for classifying a candidate red-eye object in a digital...
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8150204 |
Noise reducer for video signals
A noise reducer for a signal determines a direction of correlation for each picture element (pixel) by calculating sums of absolute differences between a block centered on the pixel and neighboring...
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8149336 |
Method for digital noise reduction in low light video
A system and method for filtering video noise is provided. Video generated under low lighting conditions is susceptible to increased noise and graininess, which increases the required storage space...
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8144253 |
Multi-frame approach for image upscaling
Video upscaling may be performed by effectively combining several different image processing techniques. The video is processed using temporal based motion estimation and subsequently filtered...
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8144252 |
Noise reduction apparatus and noise reduction method
According to one embodiment, an input image signal is passed through a plurality of first high pass filters having different passing frequency band to generate level histograms. High frequency...
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8139883 |
System and method for image and video encoding artifacts reduction and quality improvement
Reducing artifacts and improving quality for image and video encoding is performed in one pass to preserve natural edge smoothness and sharpness. To reduce artifacts and improve quality, several...
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8115868 |
Data recovery device and data recovery method for television signals
A data recovery device and a method thereof for processing a television signal having a plurality of horizontal scan signals are disclosed. The data recovery device includes a reference level...
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8111330 |
Method and apparatus for analog graphics sample clock frequency offset detection and verification
A method and apparatus for an analog-to-digital video signal converter. The converter is controlled by a clock with controllable frequency and phase for sampling an analog signal. A circuit...
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8111308 |
Signal processing apparatus, signal processing method, and image pickup apparatus
A signal processing apparatus which is capable of performing a smear amount correction processing suitably according to change in the smear amount to suppress overcorrection of the smear amount. An...
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8106969 |
Device and method for removing grid noise
A device and a method for removing grid noises are disclosed. The device for removing grid noises in accordance with an embodiment of the present invention calculates an average value of each line...
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8098335 |
Nonlinear processing device and image display apparatus
A nonlinearly processed (gamma-corrected) video signal is subjected to three-dimensional signal level correction using three-dimensional correction values and corresponding to a position in a...
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8098329 |
Image determination apparatus, image determination method, and program, and image processing apparatus, image processing method, and program
An image determination apparatus includes a frequency band signal detecting unit, an average value calculating unit, a relative value calculating unit, and an image determination unit. The...
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8098333 |
Phase shift insertion method for reducing motion artifacts on hold-type displays
A method and system for displaying frames on a hold-type display to reduce perceived blur are disclosed. One example method includes detecting a parameter associated with an object in an input...
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8094194 |
Display apparatus and control method thereof
A display apparatus having a displaying part, includes a video processing part to process an input video signal into a format which can be displayed on the displaying part, and a controlling part...
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8090013 |
Method and system of providing a high speed Tomlinson-Harashima Precoder
Herein described are at least a method and a system for implementing a high speed Tomlinson-Harashima Precoder. The method comprises using an L-tap transpose configuration of a Tomlinson-Harashima...
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8090210 |
Recursive 3D super precision method for smoothly changing area
An image processing system implements recursive 3D super precision for processing smoothly changing video image areas by performing temporal noise reduction and then 2D super precision. The...
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8085886 |
Supression of unwanted signal elements by sinusoidal amplitude windowing
A method is provided for processing a signal containing regular or quasi-regular elements of unwanted signal. The method establishes timing characteristics of the unwanted signal elements in a...
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8077260 |
Co-channel interference detector
A receiver processes a received signal for determining the presence of a co-channel interfering signal by (a) measuring a power level of a first signal in a first narrowband frequency region of a...
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8072546 |
Method and apparatus for reducing cross-luminance in an image display device
A method for reducing cross-luminance in an image display device includes receiving luminance signals of a plurality of frames in a composite video signal, determining a movement condition of a...
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8073283 |
Noise elimination apparatus and noise elimination method
A noise elimination apparatus has a subtracting section 11 for obtaining a difference value between input image data and reference image data; a calculation processing section 12a for performing...
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8073277 |
Apparatus and methods for image restoration
The present invention relates to an apparatus and methods for performing image restoration. More specifically, the present invention relates to an apparatus and methods which are capable of quickly...
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8068884 |
Acoustic echo reduction circuit for a “hands-free” device usable with a cell phone
A device comprising a circuit for picking up acoustic signals with the microphone; a circuit for playing back audio signals with an amplifier and a loudspeaker; an interface circuit for interfacing...
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8063994 |
Image processing device, image processing method, program, recording medium and integrated circuit
Flicker occurs in a flicker-noticeable area consisting of pixels with no pixel value variations. An image processing device (100) includes a variance calculation unit (101) that obtains a variance...
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8064966 |
Method of detecting a double talk situation for a “hands-free” telephone device
The device comprises a microphone for detecting a speech signal from a near speaker, and a loudspeaker for reproducing a speech signal from a remote speaker. The processing for canceling the...
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8064824 |
Systems and methods for reducing power robbing impact of interference to a satellite
Processing return feeder link signals at a satellite gateway including a first and second receive antennas includes receiving first and second return feeder link signals at the first and second...
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8063911 |
System and method for gamut mapping of out-of-gamut signals
A system and method for gamut mapping out-of-gamut signals. A method includes adjusting each color in a color signal, determining a maximum color value of the color signal, in response to a...
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8063995 |
System and method for video noise reduction using a unified three-dimensional non-linear filtering
The system described herein is a unified approach to three-dimensional filtering for the reduction of video noise. The technique is based on weight averaging pixels of the filter's output value in...
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8063993 |
Image noise measurement system and method
An image noise measurement system performs a noise estimation on a current image. A storage device stores a previous image. A noise estimator performs a noise estimation on sub-areas of the current...
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8059207 |
System and method for video noise reduction using an adaptive temporal method with motion detection and motion compensation
An adaptive temporal noise reduction method that adaptively combines motion adaptive filtering results and motion compensated results to reduce Gaussian additive noise in video sequences is...
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8059203 |
Moving picture processing method
Provided is a moving picture processing method which prevents degradation of subjective image quality caused by a motion of a moving picture. The moving picture processing method includes the...
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8054891 |
Channel equalizer and method of processing broadcast signal in DTV receiving system
A channel equalizer includes a first transformer, an estimator, an average calculator, a second transformer, a coefficient calculator, a compensator, and a third transformer. The first transformer...
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8045607 |
Method applied to an equalizer for reducing ISI and related ISI reduction apparatus
A method applied to an equalizer includes receiving an input data-stream having a training sequence component with a first number of symbols and a data component with a second number of symbols,...
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8040437 |
Method and system for analog video noise detection
A method and system for analog video noise detection are provided. A motion metric (MM) value may be determined for pixels in a video image. The MM values may be collected and accumulated for a...
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8035653 |
Dynamically adjustable elements of an on-screen display
A system for generating an on-screen display (OSD) is described. The on-screen display, which has a semitransparent background area, is overlaid on top of an image. The data which make up this...
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8035703 |
Device and method for measuring noise characteristics
A noise characteristics measurement device that facilitates the measurement of noise characteristics in an imaging sensor. The noise characteristics measurement device has a classification circuit...
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8036495 |
Resolution conversion apparatus, method, and program
An apparatus includes a first-acquisition unit acquiring, from target image data, an input image pattern including pixel values within a predetermined range with reference to each of ideal...
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8036325 |
Wireless communication method and apparatus for performing knowledge-based and blind interference cancellation
A method and apparatus for cancelling interference in received signals are disclosed. A receiver includes a knowledge-based interference cancellation unit, a blind interference cancellation unit...
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8031946 |
Reduced calculations in determining intra-prediction type method and system
The method, system, and apparatus of source statistics based intra prediction type is disclosed. In one embodiment, a method includes classifying a four-pixel square block in an edge class (e.g.,...
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8031967 |
Video noise reduction
A video noise reduction technique is presented. Generally, the technique involves first decomposing each frame of the video into low-pass and high-pass frequency components. Then, for each frame of...
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8023762 |
Apparatus for removing noise of video signal
An apparatus for removing a noise of a video signal is discussed, by which a noise level can be effectively estimated to enhance an image quality of the video signal, by which the noise can be...
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8023761 |
Apparatus for removing noise of video signal
An apparatus for removing a noise of a video signal is disclosed, by which a noise level can be effectively estimated to enhance an image quality of the video signal, by which the noise can be...
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8019028 |
Run-length based spectral analysis
Apparatus and methods determine a frequency associated with a relatively strong interfering signal (interferer) using relatively simple run-length counting techniques. Counts of run-lengths can be...
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8013939 |
Video decoder for decreasing noise included in chrominance signal
A video decoder removes noise caused by a luminance signal component when separating a chrominance signal from a composite video baseband signal. The video decoder includes a first signal generator...
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