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| Number | Title | Issue Date |
| 7333134 | Web camera and method for sending moving image A terminal distinction circuit distinguishes the terminal type. When the terminal is a PC, moving image data is sent directly from a moving image buffer memory to a transmission image memory. The transmission image memory sends moving image data together with a sync... | 02/19/2008 |
| 7274389 | Camera apparatus and image processing system with variable resolution In an image capture apparatus, the data rate of image data output from the image capture device is changed by calculating a first data rate of the image data according to a first size of a variable display area that displays the image data. Information indicating th... | 09/25/2007 |
| 7250968 | Information recording device implementing an electronic zoom having a limiting section An information recording device capable of preventing a deterioration of quality of a display image. Pixel counts in each of a horizontal direction and a vertical direction of an image represented by digital image data generated by a CCD, are greater than in an imag... | 07/31/2007 |
| 7219364 | System and method for selectable semantic codec pairs for very low data-rate video transmission A system and method for using computer image processing for selectable task-based digital video compression is described. The system is intended to reduce travel of experts and let these experts direct field agents in performing tasks remotely. The tasks to be perfo... | 05/15/2007 |
| 7197077 | Multilevel data compression using a single compression engine A single compression engine determines a plurality of discrete cosine transform (DCT) coefficients based on a discrete cosine transform of a plurality of blocks of data. The single compression engine provides first and second DCT-encoded signals. The first DCT-encod... | 03/27/2007 |
| 7123294 | Image file apparatus and method for storing display image data corresponding to a display size In an apparatus and method according to the present invention, image data is read and stored in a recording medium. If the size of the original image data is determined as being different from the display size of a monitor apparatus, the original image data is conve... | 10/17/2006 |
| 7058128 | Image editing apparatus and method A shape decoder obtains shape data by decoding bit-stream data representing a shape, and a texture decoder obtains texture information by decoding a texture bit stream. A shape manipulation unit alters the shape data based upon an operation performed by user. In res... | 06/06/2006 |
| 6970508 | Image coding and decoding using mapping coefficients corresponding to class information of pixel blocks It is possible to produce a decoded image with a high image quality from data of the lowermost hierarchy obtained during hierarchical coding operation. An image of a first hierarchy equal to an original image is successively thinned in thinning units so that an imag... | 11/29/2005 |
| 6968082 | Resolution dependent image compression A method and system thereof for processing image data. Uncompressed image data comprising a plurality of pixels representing an image to be rendered are received. The pixels are grouped into blocks such that the pixels in a block have substantially the same color va... | 11/22/2005 |
| 6947060 | Image forming apparatus, electron beam apparatus, modulation circuit, and image-forming apparatus driving method An image forming apparatus which performs pulsewidth modulation with a pulsewidth set by counting a clock. Especially, for grayscale level correction by setting the frequency of the clock, the periodic clock is counted, and an output pattern is changed in accordance... | 09/20/2005 |
| 6937659 | Apparatus and method for compressing video information A method and apparatus is disclosed for efficiently encoding data representing a video image, thereby reducing the amount of data that must be transferred to a decoder. The method includes transforming data sets utilizing a tensor product wavelet transform which is ... | 08/30/2005 |
| 6917714 | Scalable predictive coding method and apparatus A scalable predictive coder in which the current frame of data is predicted at the enhancement-layer by processing and combining the reconstructed signal at: (i) the current base-layer (or lower layers) frame; and (ii) the previous enhancement-layer frame. The combi... | 07/12/2005 |
| 6909753 | Combined MPEG-4 FGS and modulation algorithm for wireless video transmission The invention relates to a method and system for modulating an MPEG-4 FGS compressed video stream for variable-bandwidth transmission. A source of a video stream is provided, and a display having means for generating a control input signal for controlling one or mor... | 06/21/2005 |
| 6870887 | Method and system for synchronization between different content encoding formats A method, system and program product are described for synchronizing content stored in different encoding formats, only one of which includes timecode support, the invention involving accessing content stored at a first format, the first content having timecodes sup... | 03/22/2005 |
| 6865226 | Structural analysis of videos with hidden markov models and dynamic programming A method analyzes a high-level syntax and structure of a continuous compressed video according to a plurality of states. First, a set of hidden Markov models for each of the states is trained with a training video segmented into known states. Then, a set of domain s... | 03/08/2005 |
| 6804457 | Digital video signal recorder/reproducer and transmitter When recording/reproducing a digital video signal having 1080 effective lines, an MPEG stream can be extracted on the reproducing side with a simple structure and without causing serious deterioration of the image quality, and without wastefully consuming the capaci... | 10/12/2004 |
| 6774937 | Image processing system and camera system In the case where an output signal of an image pickup device is compressed and is transmitted through a transmission path with band limitation, when a conventional compression and expansion technique is directly applied, there is a lot of waste and a circuit scale b... | 08/10/2004 |
| 6763069 | Extraction of high-level features from low-level features of multimedia content A method extracts high-level features from a video including a sequence of frames. Low-level features are extracted from each frame of the video. Each frame of the video is labeled according to the extracted low-level features to generate sequences of labels. Each s... | 07/13/2004 |
| 6731811 | Scalable predictive coding method and apparatus A scalable predictive coder in which the current frame of data is predicted at the enhancement-layer by processing and combining the reconstructed signal at: (i) the current base-layer (or lower layers) frame; and (ii) the previous enhancement-layer frame. The combi... | 05/04/2004 |
| 6556725 | Data processing device and data order converting method A column address is decoded by each column decoder, and an arrangement of pixels to be written to a memory cell array is rotated by a rotation circuit. The rotation result is written to the memory cell array in accordance with the decoding result of the c... | 04/29/2003 |
| 6546052 | Image processing apparatus and method, and computer-readable memory A first feature is extracted from first encoded data of a first image. A second feature is extracted from second encoded data of a second image. A first reconstructed image is obtained by decoding the first encoded data. A second reconstructed image is ob... | 04/08/2003 |
| 6342850 | Summation of band-limited ADC outputs having different resolutions and rates A high speed analog-to-digital converter utilizes a fine resolution ADC to digitize the low band component of an analog video signal to produce a fine resolution signal and a coarse resolution ADC to digitize the full spectrum of the analog signal and pro... | 01/29/2002 |
| 6335760 | Image signal reproduction device An image signal reproduction device, provided in an electronic still camera, comprises a CPU, an image signal processing circuit, a memory card, in which a compressed image signal is recorded, and a display device having a liquid crystal display (LCD) and... | 01/01/2002 |
| 6332041 | Feature-region extraction method and feature-region extraction circuit The present invention is intended to exactly extract a feature-region along its contour line without erroneously extracting any moving object other than the feature-region. An extraction signal from a feature-region main-portion extracting circuit is sent... | 12/18/2001 |
| 6301390 | Encoding image data in blocks read out in a predetermined order An image processing apparatus in which an image signal is divided into blocks each comprising a plurality of pixels and a quantization and a variable length encoding are executed so that a code amount of a plurality of blocks lies within a certain range. ... | 10/09/2001 |
| 5889556 | Method of automatically dividing domain of motion picture using time space slope information A method of automatically dividing the domain of a motion picture is disclosed including the steps of: quantizing at least two sequential picture frames, and simplifying the shapes of the quantized picture frames; obtaining time space slope information fr... | 03/30/1999 |
| 5838376 | Video coder/decoder which separately processes high and low frequencies In a predictive coding apparatus, an interframe/interfield predictive signal is generated in which low frequency components are depressed. A predictive error signal is generated on the basis of an input video signal and the interframe/interfield predictiv... | 11/17/1998 |
| 5524067 | Image processing device employing coding with edge information preserved An image processing device including a blocking section for dividing an input image into a plurality of blocks each consisting of N1×N2 (N1, N2: positive integers) picture elements; a block attribute determining section for determining an attribute of ea... | 06/04/1996 |
| 4980764 | Method for the encoding of data for assistance in the reconstruction of a sub-sampled moving electronic image A method for encoding data for assistance in the reconstruction of sub-sampled moving electronic images, particularly HDTV images transmitted by MAC channel, optimizing the representation of the assistance data while minimizing the corresponding throughpu... | 12/25/1990 |
