Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 8184722 | Coding method A picture coding apparatus (300) is a picture coding apparatus that codes a difference between picture data (Img) representing an input picture and predictive picture data (Pred) representing a predictive picture for the input picture and generates coded pict... | 05/22/2012 |
| 8184721 | Recursive filtering of a video image A method of recursive filtering of a video image includes storing an image 20 comprising picture elements. Luminance and chrominance weightings are assigned for weighting neighbouring picture elements to a picture element in a current image 10 and for ... | 05/22/2012 |
| RE43360 | Enhancing image quality in an image system A technique for improving image compression by pre-processing the image frames. In particular, methods for de-interlacing and noise reduction using combinations of median filters, applied both spatially and temporally, with and without motion analysis, are described... | 05/08/2012 |
| 8175168 | Methods and systems for picture up-sampling Aspects of the present invention relate to systems and methods for picture up-sampling using direct interpolation. Some aspects of the present invention provide an up-sampling procedure designed for the Scalable Video Coding extension of H.264/MPEG-4 AVC. ... | 05/08/2012 |
| 8160161 | Method and apparatus for performing motion compensated temporal filtering in video encoding A method (50) and apparatus (40) for reducing noise in a video signal calculates (53) a discrimination value of a filter based on a magnitude difference between a current frame and a prior frame of a sequence of frames and modifies (54) t... | 04/17/2012 |
| 8160160 | Bit-rate reduction for multimedia data streams Systems and methods for reducing a bit-rate in a multimedia data stream while maintaining high image quality. Two consecutive frames of the multimedia data stream are spatially filtered, temporally filtered, and combined into a pre-processed frame. In one embodiment... | 04/17/2012 |
| 8149926 | Generating edge masks for a deblocking filter A deblocking unit may include a buffer, an edge mask generator, and a deblocking filter. The buffer may store video data including blocks. The blocks may correspond to at least a portion of a macroblock. The edge mask generator may generate a particular edge mask th... | 04/03/2012 |
| 8139650 | Fast noise reduction in digital images and video Presented are embodiments for nonlocal mean filtering that provide a robust and efficient method for reducing noise in digital images and video frames. These embodiments build on a separable property of neighborhood filtering to offer a fast, parallel and vectorized... | 03/20/2012 |
| 8139649 | Recursive filtering a video image using activity mapping A method of recursive filtering a video image includes determining a local variance σ2 in luminosity in the vicinity of a picture element on the image; making an estimate of a value of noise variance σr2; obtaining a surface for va... | 03/20/2012 |
| 8139651 | Video deblocking filter Deblocking filters are disclosed, where the nature of the filter is determined based upon the level of detail of a reconstructed video frame in the region in which the block boundary is located. One embodiment of the method of the invention includes identifying a bo... | 03/20/2012 |
| 8121199 | Reducing the block effect in video file compression We describe a method for reducing the block effect in video file compression including inspecting an image in a row and column direction, calculating an intensity vector of the block effect responsive to the inspecting, obtaining distribution data for the block effe... | 02/21/2012 |
| 8116384 | Filtering strength determination method, moving picture coding method and moving picture decoding method A moving picture coding apparatus includes an inter-pixel filter having filters for filtering decoded image data so as to remove block distortion which is high frequency noise around block boundaries. The inter-pixel filter includes filters having different filterin... | 02/14/2012 |
| 8111760 | Deblocking filters Deblock filtering for Microsoft WMV video decoders partitions the computation so that the deblock filtering operations can be performed on horizontal or vertical stripes or in one pass on oversized macroblocks. ... | 02/07/2012 |
| 8090031 | Method for motion compensation A method for use in video compression is disclosed. In particular, the claimed invention relates to a method of more efficient fractional-pixel interpolation in two steps by a fixed filter (240) and an adaptive filter (250) for fractional-pixel motion ... | 01/03/2012 |
| 8090032 | System and method of filtering noise A system and method of removing noise in a bitstream is disclosed. The system and method are most applicable to removing noise in a bitstream wherein the bitstream is encoded after being segmented into portions based on predefined classifications or models. Based on... | 01/03/2012 |
| 8085856 | Filtering strength determination method, moving picture coding method and moving picture decoding method A moving picture coding apparatus includes an inter-pixel filter having filters for filtering decoded image data so as to remove block distortion which is high frequency noise around block boundaries. The inter-pixel filter includes filters having different filterin... | 12/27/2011 |
| 8050331 | Method and apparatus for noise filtering in video coding A method and apparatus is disclosed herein for encoding and/or decoding video frame data. In one embodiment, the video coder comprises a noise filtering module to operate on transformed frame data and perform signal estimation on a plurality of transform coefficient... | 11/01/2011 |
| 8040957 | Adaptive filtering based upon boundary strength Adjacent regions are identified in an image. Coding parameters for the adjacent regions are identified. Selective filtering is performed at the region between the identified adjacent regions. ... | 10/18/2011 |
| 8031782 | Systems and methods for compression, transmission and decompression of video codecs Embodiments of this invention include computer-implemented mathematical methods to develop software and/or hardware implementations that use wavelet transforms (WT) to pre-process video frames that can then be compressed using a variety of codecs to produce compress... | 10/04/2011 |
| 8005151 | Low-complexity deblocking filter A method of filtering to remove coding artifacts introduced at block edges in a block-based video coder, the method having the steps of: checking the content activity on every line of samples belonging to a boundary to be filtered and where content activity is based... | 08/23/2011 |
| 8000396 | Filtering apparatus, digital broadcast receiving apparatus and filtering method A filtering apparatus which includes first filters assigned first numbers different from each other and which detect packets having a previously specified identifiers. The apparatus includes information registers disposed in correspondence with the first filters and... | 08/16/2011 |
| 7970061 | Block distortion detection method, block distortion detection apparatus, block distortion removal method, and block distortion removal apparatus A video decoder is connected with a block distortion detector for specifying the boundary of blocks where block boundary occurs, using decoded image data and information of motion vectors, which are supplied from the video decoder; and a block distortion remover for... | 06/28/2011 |
| 7961793 | Picture coding method and picture decoding method A picture coding apparatus (300) is a picture coding apparatus that codes a difference between picture data (Img) representing an input picture and predictive picture data (Pred) representing a predictive picture for the input picture and generates coded pict... | 06/14/2011 |
| 7953161 | System and method for overlap transforming and deblocking Presented herein are inverse quantization and transform system(s) and method(s). In one embodiment, there is presented a method for deblocking. The method comprises reconstructing a macroblock, said macroblock comprising four blocks; and completing deblocking of a f... | 05/31/2011 |
| 7944977 | Picture coding method and picture decoding method A picture coding apparatus (300) is a picture coding apparatus that codes a difference between picture data (Img) representing an input picture and predictive picture data (Pred) representing a predictive picture for the input picture and generates coded pict... | 05/17/2011 |
| 7933339 | Systems and methods for processing chroma samples in video Embodiments of systems and methods for processing chroma samples in video are provided. One system embodiment, among others, comprises a memory with logic, and a processor configured with the logic to receive a compressed video stream that includes a picture having ... | 04/26/2011 |
| 7929616 | Decoding method A picture coding apparatus (300) is a picture coding apparatus that codes a difference between picture data (Img) representing an input picture and predictive picture data (Pred) representing a predictive picture for the input picture and generates coded pict... | 04/19/2011 |
| 7903744 | Deblocking filter The invention is related to decoding of block wise coded video pictures. The determination of using de-blocking filtering between coded blocks is based on alternative characteristics compared to the characteristics used in H.264/AVC. ... | 03/08/2011 |
| 7899123 | Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same An LSI device for decoding a coded image segmented and coded in a plurality of blocks. The LSI device includes a section which receives a filter selection parameter that determines a threshold value for each quantization parameter, for changing between conducting an... | 03/01/2011 |
| 7885341 | Spatial filtering for improving compression efficiency of motion compensated interframe coding An apparatus, method, and carrier medium carrying computer-readable code to implement a method that includes generating a difference picture of an accepted picture of a time sequence of pictures minus an estimate of the previous picture in the sequence. The generati... | 02/08/2011 |
| 7869523 | Low complexity deblocking filter A method of filtering to remove coding artifacts introduced at block edges in a block-based video coder, the method having the steps of: checking the content activity on every line of samples belonging to a boundary to be filtered and where content activity is based... | 01/11/2011 |
| 7839937 | Method and circuitry for processing data Circuitry for processing data includes a plurality of filters arranged in parallel. Input data is stored. The input data is applied to the plurality of filters to provide at least two parallel results. An operation is carried out with respect to the results. ... | 11/23/2010 |
| 7830969 | Encoding devices for scalable data streaming A device and method thereof for encoding data. The device can include a segmenter adapted to receive the data and segment at least a portion of the data into regions. The device can also include a scalable encoder coupled to the segmenter, the scalable encoder adapt... | 11/09/2010 |
| 7822125 | Method for chroma deblocking The invention is related to decoding of block wise coded video pictures. The determination of using de-blocking filtering between coded chroma blocks is based on alternative characteristics compared to the characteristics used in H.264/AVC. ... | 10/26/2010 |
| 7792195 | Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same Mosaic-shaped block noise occurs when a compressed video signal is reproduced. This block noise is removed, but removing block noise from every block using a deblocking filter imposes a significant load on the deblocking filter. This load is therefore reduced by det... | 09/07/2010 |
| 7792194 | MPEG artifacts post-processed filtering architecture A more efficient and less memory-access intensive post-processing architecture to substantially reduce blocking and ringing artifacts from decompressed video image data is provided. The post-processing architecture in accordance with the present invention implements... | 09/07/2010 |
| 7787541 | Dynamic pre-filter control with subjective noise detector for video compression Pre filtering is commonly used in video encoding to remove undesirable noise from video sources. Without a pre filter, the noise degrades the performance of a video encoder by wasting a number of bits to represent the noise itself, and by introducing encoding artifa... | 08/31/2010 |
| 7787542 | Adaptive filtering based upon boundary strength Adjacent regions are identified in an image. Coding parameters for the adjacent regions are identified. Selective filtering is performed at the region between the identified adjacent regions. ... | 08/31/2010 |
| 7782962 | Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same Mosaic-shaped block noise occurs when a compressed video signal is reproduced. This block noise is removed, but removing block noise from every block using a deblocking filter imposes a significant load on the deblocking filter. This load is therefore reduced by det... | 08/24/2010 |
| 7782963 | Filtering strength determination method, moving picture coding method and moving picture decoding method A moving picture coding apparatus including an inter-pixel filter having the filters for filtering decoded image data so as to remove block distortion which is high frequency noise around block boundaries. The filters include a filter A114a, a filter B... | 08/24/2010 |
