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"There is practically no chance communications space satellites will be used to provide better telephone, telegraph, television, or radio service inside the United States."
T. Craven, FCC Commissioner ; 1961
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| Number | Title | Issue Date |
| 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 required for recording the noisy video. The provided system and meth... | 04/03/2012 |
| 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 component noise reduction processing is applied to the output of one of t... | 03/27/2012 |
| 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 using a spatial filter. The spatially filtered image is sharpened and noi... | 03/27/2012 |
| 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 frame and filtering the input frame to generate at least two filtered sub... | 01/17/2012 |
| 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 wideband frequency channel; (b) measuring power levels of signals in n... | 12/13/2011 |
| 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 first frame of the plurality of frames according to the luminance signal... | 12/06/2011 |
| 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 image and the previous image to thereby produce a noise estimation i... | 11/22/2011 |
| 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 of an area consisting of a target pixel and neighboring... | 11/22/2011 |
| 7995147 | Apparatus and method for compensating for varying adjacent channel conditions An apparatus such as a television signal receiver is capable of removing adjacent channel energy for extremely different desired channel bandwidths and varying adjacent channel conditions. According to an exemplary embodiment, the apparatus includes a digital signal... | 08/09/2011 |
| 7995148 | Image processing apparatus and image processing method An image signal is resolved into a plurality of frequency components whose spatial frequencies are different from each other; a variation component of the image signal is extracted based on each of the plurality of frequency components, an absolute value of the vari... | 08/09/2011 |
| 7952646 | Method and apparatus for content adaptive spatial-temporal motion adaptive noise reduction According to one embodiment, a method is disclosed. The method includes receiving video data, measuring a temporal feature of motion movement of the data, measuring per-pixel spatial content features of the data, performing a local content analysis to classify pixel... | 05/31/2011 |
| 7929058 | Digital video processing apparatus and control method thereof A digital video processing apparatus and a control method thereof are provided, and include a signal receiving part for receiving a digital video signal, a decoder for separating a luminance signal from the digital video signal, and a filtering part for filtering th... | 04/19/2011 |
| 7911538 | Estimation of block artifact strength based on edge statistics A method and apparatus estimates the strength of block artifacts in compressed video is described. Block artifacts are associated with the block-based image/video compression schemes. The block artifacts deteriorate the quality of compressed image and video, especia... | 03/22/2011 |
| 7821578 | Reconfigurable self-calibrating adaptive noise reducer A video noise reducer reduces the noise artifacts in a video signal. The video noise reducer is reconfigurable to provide spatial noise reduction and temporal noise reduction in either a parallel or cascade architecture. The video noise reducer is self-calibrating b... | 10/26/2010 |
| 7821579 | Image enhancing system An image enhancing system uses a perfect reconstructing filter to process image signals within a specified resolution and enhance the image signals. The image enhancing system includes an image-signal-obtaining unit, a first-signal-group processing unit, a high-pass... | 10/26/2010 |
| 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 the amount of gain provided by an adjustable gain amplifier to a rece... | 10/05/2010 |
| 7782403 | Noise detection apparatus and method, and noise reduction apparatus and method Four high-frequency components are extracted from video signals: the first from a blanking interval; the second from an image-carrying period between blanking intervals; and the third and fourth from the video and one-line and -frame delayed signals, respectively. S... | 08/24/2010 |
| 7755702 | Apparatus and method for processing video signal According to one embodiment, an MPEG noise reduction processing unit which performs a process of reducing a mosquito noise to a received video signal can be controlled in a setting state corresponding to a desired item selected on the setting screen in which the plu... | 07/13/2010 |
| 7742109 | Adaptive noise reduction for digital display panels A plasma display panel is a pure linear display and does not provide a non-linear gamma behavior like a CRT so that an artificial gamma function has to be applied to the signal in digital form. This gamma function increases the quantization steps in the dark areas w... | 06/22/2010 |
| 7738043 | Noise reducing circuit, noise reducing method, and video apparatus According to one embodiment, a noise reducing circuit includes a frame memory configured to frame-delay a video signal, a first arithmetic unit configured to subtract the frame-delayed video signal given by the frame memory from the video signal to output a first fr... | 06/15/2010 |
| 7738042 | Noise reduction device for a video signal and noise reduction method for a video signal A noise reduction device for generating a delay frame by delaying an input frame in each frame, a first difference value between the delay frame and the input frame, a line delay frame by delaying the input frame in each line, and a second line delay frame by delayi... | 06/15/2010 |
| 7714937 | Channel equalizer and digital television receiver using the same Disclosed are a channel equalizer and digital television receiver using the same. The equalizer comprises a channel estimator, a channel distortion compensator and noise canceller. The channel estimator estimates an impulse response of a transmission channel from a ... | 05/11/2010 |
| 7705918 | Noise reduction apparatus and noise reduction method According to one embodiment, a noise reduction apparatus includes a frame delay module, first and second impulse noise detectors, first and second impulse noise reducers, a motion detector, and a noise reducer. The frame delay module delays a video signal by one fra... | 04/27/2010 |
| 7697073 | Image processing system with horizontal line registration for improved imaging with scene motion An image processing system and method. The image processing system acquires a first set of scan lines in at first field of image data and a second set of scan lines in a second field of image data; the second set of scan lines are interlaced relative to the first se... | 04/13/2010 |
| 7697074 | System and method for video processing demonstration Systems and methods for processing a video signal are disclosed and may include degrading a received video signal utilizing one or more of a plurality of video signal degrading methods. The degraded video signal may be processed to generate an improved video signal.... | 04/13/2010 |
| 7667776 | Video display device, video encoder, noise level estimation module and methods for use therewith A noise level estimation module includes a pixel block selection module for selecting a plurality of selected pixel blocks over a set of K fields of a video signal, each of the plurality of selected pixel blocks containing a plurality of pixels having corresponding ... | 02/23/2010 |
| 7659943 | Information-processing apparatus and removable substrate used therein An information-processing apparatus is provided. For example, an information-processing apparatus has a noise-reduction-processing unit configured to reduce noise included in a received informational signal, an adjustment unit configured to allow a user to adjust a ... | 02/09/2010 |
| 7639309 | Method and system for analog video noise reduction by blending FIR and IIR filtering A method and system for analog video noise reduction by blending finite impulse response (FIR) and infinite impulse response (IIR) filtering are provided. A filtering mode may be selected to generate noise-reduced pixels using FIR, IIR, or a blend of FIR/IIR filteri... | 12/29/2009 |
| 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 picture in units of pixels, based on a present signal of the moving ... | 12/01/2009 |
| 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 previous frame, and a predetermined reference value are represented by a, b,... | 10/06/2009 |
| 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; determining horizontal and vertical translation of each of the pixel bloc... | 09/29/2009 |
| 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(fBT; 0°)) at a video carrier frequency into an in-phase signal, and with a signal (S(fBT; 90°)) shifted in p... | 09/22/2009 |
| 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 tracking of the NTSC video carrier signal. The NTSC co-channel interf... | 07/28/2009 |
| 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 with gradation. The noise reduction device detects an area where an edg... | 07/28/2009 |
| 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 signal by a first frequency-shifting amount; and filtering the frequency-... | 06/30/2009 |
| 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 detection of the artifacts is based on an adjustable threshold, (B) f... | 06/23/2009 |
| 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 recursive filter designed to receive on a first input the output of the ... | 06/16/2009 |
| 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 generating first, second, and third motion-compensated fields; class... | 06/16/2009 |
| 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 utilizes a dual-channel adaptive noise reduction technique. The input signal... | 04/21/2009 |
| 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 sections of the media signal having a consistent DC bias. The value of the ... | 03/31/2009 |
