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"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 7333542 | Moving picture decoding apparatus and moving picture decoding method A memory compression and expansion section (11 of FIG. 1) applies compression to a decoded image, and the result is stored in a frame memory. Based on an occupied content of the frame memory (FIG. 1, 106), in case that the number of coded bits f... | 02/19/2008 |
| RE40079 | Video encoding and decoding apparatus An encoding apparatus includes an encoder for encoding an alpha-map signal for discriminating a background from an object of an input picture in motion compensation prediction (MV)+transform encoding which uses MV in a domain of each of N×N transform coefficients (... | 02/19/2008 |
| 7333036 | Computing circuits and method for running an MPEG-2 AAC or MPEG-4 AAC audio decoding algorithm on programmable processors The present invention relates to the computing method and Huffman computing circuits for improving the correctness and efficiency of the nonlinear inverse quantization when the MPEG-2 AAC (Advanced Audio Coding) or MPEG-4 AAC algorithm which is used as an audio comp... | 02/19/2008 |
| 7330595 | System and method for video data compression A system and method perform video data compression in a manner that limits the need for external memory access. Accordingly, the operational frequency of the local data bus is reduced and power consumption is therefore minimized. In this manner, the present inventio... | 02/12/2008 |
| 7330509 | Method for video transcoding with adaptive frame rate control A video transcoding method is provided for transcoding a first signal stream compressed by a first coding scheme to a second signal stream compressed by a second coding scheme. The method employs an adaptive frame rate and a joint temporal-spatial rate control techn... | 02/12/2008 |
| 7327880 | Local watershed operators for image segmentation We propose local watershed operators for the segmentation of structures, such as medical structures, from an image. A watershed transform is a technique for partitioning an image into many regions while substantially retaining edge information. The proposed watershe... | 02/05/2008 |
| 7327892 | JPEG2000 encoder The image quality value of the code block currently processed is monitored, and when it falls below a threshold, encoding of the code block is terminated (in other words, encoding in the subsequent passes is omitted for the code block) to shift to encoding of the ne... | 02/05/2008 |
| 7327287 | Lossy data compression exploiting distortion side information Described are techniques for performing lossy encoding. Source data and quality data are received by an encoder. The encoder maps the source data into a compressed representation having a level of distortion in accordance with the quality information. The compressed... | 02/05/2008 |
| 7327784 | Method and system for transcoding video data A first method of transcoding video data is disclosed that generates a motion vector for a macroblock encoded as a dual prime macro block that has a direct motion vector, and differential motion vector for its two fields respectively. Another method of transcoding i... | 02/05/2008 |
| 7327786 | Method for improving rate-distortion performance of a video compression system through parallel coefficient cancellation in the transform A method for improving rate distortion performance of a compression system through parallel coefficient cancellation in a transform comprising the steps of (A) determining a block sum of absolute values for each of a plurality of blocks in a macroblock and (B) setti... | 02/05/2008 |
| 7324737 | Method and apparatus for using standard VTR transport buttons to operate a disk recorder playback device Briefly, there is provided a method for manipulating content stored on a disk recorder/playback device using conventional transport commands, such as those used on a conventional videotape recorder (VTR). The method commences by detecting whether the content is in o... | 01/29/2008 |
| 7324697 | Data embedding device and data extraction device A data embedding device includes a dynamic image storage unit storing inter-frame prediction coded dynamic image data, an embedding data storage unit storing embedding data that is embedded into the inter-frame prediction coded dynamic image data, and an embedding u... | 01/29/2008 |
| 7324594 | Method for encoding and decoding free viewpoint videos A system encodes videos acquired of a moving object in a scene by multiple fixed cameras. Camera calibration data of each camera are first determined. The camera calibration data of each camera are associated with the corresponding video. A segmentation mask for eac... | 01/29/2008 |
| 7324024 | High frequency compensator and reproducing device A high frequency compensator configured to compensate high frequency component of a digital audio signal comprising a down sampler configured to perform ½ down-sampling for the digital audio signal. An up sampler is configured to perform double up-sampling for an o... | 01/29/2008 |
| 7324595 | Method and/or apparatus for reducing the complexity of non-reference frame encoding using selective reconstruction A method for implementing non-reference frame prediction in video compression comprising the steps of (A) setting a prediction flag (i) “off” if non-reference frames are used for block prediction and (ii) “on” if non-reference frames are not used for block p... | 01/29/2008 |
| 7321623 | Video compression system A video compression system is disclosed that is optimized to take advantage of the types of redundancies typically occurring on computer screens and the types of video loss acceptable to real time interactive computer users. It automatically adapts to a wide variety... | 01/22/2008 |
| 7321624 | Bit-rate allocation system for object-based video encoding A video sequence is encoded, where the video sequence includes a background composite and foreground regions. The video sequence is encoded based on balancing bits per pixel for the background composite with bits per pixel for the foreground regions. ... | 01/22/2008 |
| 7321626 | System and method for predictive motion estimation using a global motion predictor A system and method are provided for using global motion predictors (GMPs) in predictive motion estimation for the compression of video. The method comprises: receiving video frames; generating a set of global motion parameters for a current frame of video; in respo... | 01/22/2008 |
| 7321697 | Block-based, adaptive, lossless image coder Method and system for lossless compression coding of a digitally represented image. The image is expressed as one or more blocks, each block having a sequence of pixels with binary pixel values. Within each block, a predictor index is chosen that predicts a pixel va... | 01/22/2008 |
| 7319721 | Image information conversion apparatus and image information conversion method An image information conversion apparatus and method by which picture quality deterioration caused by conversion from inputted MPEG2 image compression information into MPEG4 image compression information to be outputted is prevented. When an I picture of an MPEG2 bi... | 01/15/2008 |
| 7319720 | Stereoscopic video Methods, devices, systems and/or storage media for stereoscopic video. ... | 01/15/2008 |
| 7319540 | Systems and methods for remote viewing of patient images A digital camera containing patient images is connected to an uploader computer and the patient's name or history is entered into the uploader computer. The uploader computer then connects to the Internet, connects to the secure host server, uploads the images to th... | 01/15/2008 |
| RE39984 | Image encoding based on judgement on prediction error There is provided an image encode encoding apparatus which comprises a generation means for generating a prediction error from an encode encoding target pixel value and a prediction value of the encode encoding target pixel value, a judgment means for generating ... | 01/01/2008 |
| RE39955 | Multiple encoder output buffer apparatus for differential coding of video information Feedback is introduced between a video CODEC and the intended communications channel such that the characteristics of the channel are used to drive multiple video output buffers. These multiple output buffers share an original temporal video reference, but have diff... | 12/25/2007 |
| 7313183 | Real time scene change detection in video sequences An apparatus configured to process a digital video signal comprising an input circuit, a processing circuit and an encoder circuit. The input circuit may be configured to present a digital video signal comprising a plurality of frames. The processing circuit may be ... | 12/25/2007 |
| 7313186 | Method and apparatus for implementing wavelet filters in a digital system A digital data system (100) provides 1-D, 2-D and 3-D capability and multi-band channel capability. Improved filter banks are created by generating a filter bank having an analysis portion and synthesis portion and obtaining wavelet coefficients (302) ... | 12/25/2007 |
| 7313185 | Sequential motion pattern representation Systems and methods for representing sequential motion patterns are described. In one aspect, video frames are converted into a sequence of energy redistribution measurements. One or more motion filters are then applied to the ER measurements to generate one or more... | 12/25/2007 |
| 7310372 | Motion vector encoding device and decoding device A prediction error generating unit generates a predictive vector from the motion vectors of a plurality of adjacent blocks, and obtains a difference from a target vector. A plurality of variable-length coding units respectively encode the output of the prediction er... | 12/18/2007 |
| 7310380 | Generic transmission parameter configuration A method of determining transmission parameters for a wireless transceiver is disclosed. According to the method, a state table is loaded into a transceiver. The state table includes a plurality of states, each of which has a set of transmission parameters associate... | 12/18/2007 |
| 7310694 | Reducing information reception delays A technique for reducing information reception delays is provided. The technique reduces delays that may be caused by protocols that guarantee order and delivery, such as TCP/IP. The technique creates multiple connections between a sender and recipient computing dev... | 12/18/2007 |
| 7308149 | Picture coding method and picture decoding method The method includes the following units: a coefficient number detecting unit (109) for detecting the number of coefficients which has a value other than 0 for each block according to the generated coefficient, a coefficient number storing unit (110) fo... | 12/11/2007 |
| 7308147 | Image processing apparatus, image recording apparatus, image reproducing apparatus, camera system, computer program, and storage medium An image processing apparatus includes an image compression device which performs a discrete wavelet transform of pixel values for each rectangular portion to produce wavelet coefficients, and performs a hierarchical compression coding of the wavelet coefficients fo... | 12/11/2007 |
| 7308145 | Moving picture coding method and moving picture decoding method According to a picture coding method of the present invention, a coded picture identified by a picture number is stored, as a reference picture, into a storage unit; commands indicating correspondence between picture numbers and reference indices for designating ref... | 12/11/2007 |
| 7308144 | Picture coding method and picture decoding method The method includes the following units: a coefficient number detecting unit (109) for detecting the number of coefficients which has a value other than 0 for each block according to the generated coefficient, a coefficient number storing unit (110) fo... | 12/11/2007 |
| 7308143 | Picture coding method and picture decoding method The method includes the following units: a coefficient number detecting unit (109) for detecting the number of coefficients which has a value other than 0 for each block according to the generated coefficient, a coefficient number storing unit (110) fo... | 12/11/2007 |
| 7308029 | Method and apparatus for implementing B-picture scene changes A method and apparatus are provided for implementing B-picture scene changes. A prediction stage predicts a B-picture scene change based upon a sequence of statistical information in an encoder order and a reaction stage is responsive to the prediction stage for mod... | 12/11/2007 |
| 7308028 | Apparatus and method for generating mosaic images The present invention relates to an apparatus and method for generating mosaic images, wherein photographed content is displayed as a still image by a digital TV display or video monitor for an extended period of time. The apparatus of the present invention includes... | 12/11/2007 |
| 7305033 | Method of encoding and decoding motion picture, motion picture encoding device and motion picture decoding device The present invention discloses a method of encoding and decoding motion picture, a motion picture encoding device and a motion picture decoding device, which enables high-efficiency coding capable of avoiding the occurrence of any block distortion. According to the... | 12/04/2007 |
| 7305031 | Method and system for the error resilient transmission of predictively encoded signals A system for the introduction of controlled correlation among multiple redundant representations of predictively encoded signals while avoiding predictive mismatch at a receiver when any given sub-set of the multiple representations is received. The system embodies ... | 12/04/2007 |
| 7304646 | Image data structure for direct memory access A method is provided for transferring data for processing of an image between a first memory and a second memory accessible by a processor. According to such method, data is provided in the first memory for processing of the image, the data being organized into a pl... | 12/04/2007 |
