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9007395 Bit resolution enhancement  
Devices, systems, apparatuses, methods, and other embodiments associated with bit resolution enhancement are described. In one embodiment, an apparatus includes logic configured to produce a...
8860885 Display apparatus and control method thereof  
The display apparatus includes a video receiver which receives a video signal from an external source; a video processor which processes the video signal received in the video receiver to be...
8797462 Image processing apparatus and image processing method  
A band processing circuit which generates image signals corresponding to different frequency bands from an image signal in which signals corresponding to different colors are arranged and which...
8675137 Apparatus and method for adaptive filtering  
An apparatus and a method for adaptive filtering includes an antenna that receives analog video broadcast signal data; an analog-to-digital converter coupled to the antenna and converting the...
8654259 Image processing system and display device  
A liquid crystal display device (101) of the present invention includes an NR circuit (106) for carrying out a signal processing process in which a predetermined noise amount is added to or...
8654258 Method and apparatus for estimating noise in a video signal  
A method and system for detecting and estimating noise in a video signal. For example, detail edges may be identified in a plurality of pixels, wherein each detail edge has an edge magnitude...
8654257 Image processing apparatus, projector, image processing method, and method for controlling image processing apparatus  
An image processing apparatus includes an image signal input unit that receives an input of an image signal representing an image to be displayed, a noise reduction unit that performs noise...
8610800 Image processing device and method for detecting and correcting pattern noise  
An image processing device is comprised of: a frequency component resolution section for resolving an image obtained from an image sensor having a light-shielded pixel area and a...
8363166 Image quality improving device and method  
A Gaussian filter 2 having a first cutoff frequency extracts a low frequency component signal of a video signal. A subtracter 3 extracts a high frequency component signal by subtracting the low...
8358871 Method and device for detecting and correcting skewed image data  
A skewed image data detecting and correcting device includes a skew angle detecting module, and an image rotating correction module. A skewed image data detecting and correcting method includes...
8334932 Image processing device, image display device, and image processing method  
An image processing device includes a target correction amount calculating unit operable to calculate a target correction amount based on input image signals, a frame memory operable to store the...
8335392 Method for reducing image artifacts  
A method for reducing image artifacts in an image that includes a number of pixels each of which includes at least one video information value, includes generating a plurality of filter...
8289451 Method and apparatus for automatic reduction of noise in signals transmitted over conductors  
A method and apparatus for automatic reduction of noise in video signals transmitted over conductors is presented. The present invention provides an adjustable amount of noise filtering matched to...
8284313 Apparatus and method for determining noise  
A noise determining apparatus is provided. The noise determining apparatus includes a video determiner which determines type of video according to a pre-set criterion, a noise level determiner...
8279345 System and method for random noise estimation in a sequence of images  
A system and method for estimating random noise in an image frame or a sequence of image frames are presented. In some embodiments, the method includes performing Global Noise Estimation by...
8270756 Method for estimating noise  
An image noise detection method is disclosed. The image noise detection method includes the following steps: obtaining a spatial information of an image; obtaining a temporal information of the...
8264614 Systems and methods for video processing based on motion-aligned spatio-temporal steering kernel regression  
A method for video processing based on motion-aligned spatio-temporal steering kernel regression may include estimating local spatio-temporal steering parameters at pixels in input video data. The...
8237870 Receiver system for multiple bandwidth television channels  
Disclosed is a receiver system, capable of receiving RF signals on television channels of multiple bandwidths. The receiver system includes a tuner, an analog IF filter, an ADC, a mixer module,...
8212932 Video noise estimator  
A method and system for detecting and estimating noise in a video signal. For example, with a video signal containing low power Gaussian noise, identifying a low-activity region in the input video...
8180169 System and method for multi-scale sigma filtering using quadrature mirror filters  
A first sigma filtering circuit sigma filters an image to produce a filtered image. An analysis circuit processes the sigma filtered image to produce an approximation part and a detail part. A...
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...
7995149 Subjectively weighted noise measurement  
Subjectively weighting noise measurements for multiple video formats based upon a defined standard for a standard definition video format uses a ratio between the active line time for the standard...
7970234 Post-processing circuit for processing an image signal according to frequency components of the image signal  
A post-processing circuit for processing an image signal according to frequency components of an image signal includes: a low-frequency extracting unit outputting a low-frequency image component...
7808557 Method and apparatus for automatic reduction of noise in video transmitted over conductors  
A method and apparatus for automatic reduction of noise in video signals transmitted over conductors is presented. The present invention provides an adjustable amount of noise filtering matched to...
7724307 Method and system for noise reduction in digital video  
Aspects of noise reduction in digital video may comprise monitoring at least one of memory usage and memory bandwidth usage of memory utilized to process video data. The aspect may further...
7663701 Systems, methods, and apparatus for noise reduction  
Systems, methods, and apparatus for noise reduction include noise estimation from blanking interval information. Such systems, methods, and apparatus may also include temporal filtering, scene...
7657113 Auto-regressive method and filter for denoising images and videos  
A method and apparatus for denoising digital images or videos, which is an extension of the spatial varying filter (SVF) by using a past filtered pixel, instead of the current pixel itself as the...
7471344 Display apparatus periodically modulating image-signal characteristics  
An image display apparatus has a control circuit that periodically varies a characteristic, such as an amplitude characteristic or timing characteristic, of the displayed image signal. Periodic...
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...
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...
7319494 System and method for reducing noise in images  
A method is provided for selecting a filter for interpolating a target pixel for reducing noise in an image. The method comprises the following steps. A plurality of pixels along a predetermined...
7280161 Noise reduction circuit and method  
A noise reduction circuit and method effectively reduce noise with a simple structure regardless of the partial content of an image while suppressing an increase in the capacity of the image...
7158189 Adaptive non-linear noise reduction techniques  
An impulse-reducing module (200) reduces random noise in video pixels by providing an impulse detector (244) and an impulse reducer, such as a median filter (250). The impulse detector (244)...
7034831 System and method for generating a low discrepancy curve in a region  
A system and method for generating a curve in a region, e.g., a Low Discrepancy Curve. The method may generate an unbounded Low Discrepancy Point (LDP); apply one or more boundary conditions to...
6995774 Display system and method of diminishing unwanted artifacts  
A method and apparatus for diminishing display transients and jitter. The method and system disclosed utilizes prior illumination and position histories in displaying and illuminating...
6987542 Detection and correction of asymmetric transient signals  
The invention relates to a method and apparatus for detecting asymmetry in transient signals and to a method and apparatus for correcting such asymmetry. In the apparatus for detecting asymmetry...
6958783 Adaptive non-linear noise reduction techniques  
An impulse-reducing module (200) reduces random noise in video pixels by providing an impulse detector (244) and an impulse reducer, such as a median filter (250). The impulse detector (244)...
6933983 System and method for reducing noise in images  
A method is provided for selecting a filter for interpolating a target pixel for reducing noise in an image. The method comprises the following steps. A plurality of pixels along a predetermined...
6909469 Interlace motion artifact detection using vertical frequency detection and analysis  
An interlace motion artifact detector which identifies video image spatial frequencies characteristic of motion artifacts. The detected frequency is the maximum which can be represented by the...
6710811 Data processing device  
The invention relates to a data processing device for recovering digital data which is received in an analogue transmitted signal. According to the invention, the received signal is digitized and...
6700623 Video signal processing using triplets of pixels  
A de-interlacing process takes a weighted sum of pixels in a filter aperture to generate a pixel in an output picture, the weighted sum including products of triplets of pixels. Using a training...
6621525 Double tapered roller of scroll thrust bearing  
In double tapered rollers of a thrust scroll bearing, a structure free from generation of edge load at both ends of a section straight line on conical or tapered surfaces, and appropriate in...
6611295 MPEG block detector  
A method of detecting blocking artifacts in digital video pictures, includes a step of filtering (GF) a digital input signal (x) using a gradient filter for providing at least one filtered signal,...
6563548 Interlace noise filter  
An interlace noise filter which can obtain a high resolution still image from an interlace motion picture. An original image either in an even number field or in an odd number field is sampled by...
6496605 Block deformation removing filter, image processing apparatus using the same, method of filtering image signal, and storage medium for storing software therefor  
A filter for removing block deformation that occurs in an image signal is disclosed. Detected are a plurality of differentials each between at least two pixel signal levels on block boundaries...
6493039 Method and apparatus for white noise reduction in video images  
A method and system for reducing white noise in images. The method does not require knowledge of the image blur or noise statistics, and can remove noise without causing excessive image blur. The...
6490008 Method for removing a checkerboard-like noise artifact from a captured composite NTSC video frame  
A method of removing a noise artifact from a video frame captured from a composite NTSC video signal is disclosed. The captured video frame is stored in a first buffer and includes a first...
6441867 Bit-depth extension of digital displays using noise  
A method for extending bit-depth of display systems. The method includes the steps of measuring the static display noise of a display device, using the display noise to create pseudo-random noise...
6359658 Subjective noise measurement on active video signal  
An apparatus and method is disclosed for measuring and filtering noise signals in an active video signal to create an enhanced video signal that produces a video image that is subjectively...
6335990 System and method for spatial temporal-filtering for improving compressed digital video  
A filter that filters in the spatial and temporal domain in a single step with filtering coefficients that can be varied depending upon the complexity of the video and the motion between the...

Matches 1 - 50 out of 126 1 2 3 >