| Patent Number |
Title Of Patent |
Date Issued |
| RE39237 |
Interpolation method for binary image |
August 15, 2006 |
| An improved interpolation method in which a threshold value used for determining a pixel value of a pixel generated by interpolation according to a context which is a state value of adjacent pixels. In the interpolation method, the ambiguity between the interpolation value and the th |
| RE37792 |
Interpolation method for binary image |
July 16, 2002 |
| An improved interpolation method in which a threshold value used for determining a pixel value of a pixel generated by interpolation according to a context (state value of adjacent pixels). In the interpolation method, the ambiguity between the interpolation value and the threshold v |
| RE37755 |
Interpolation method for binary image |
June 18, 2002 |
| An interpolation method in which a threshold value used for determining a pixel value of a pixel generated by interpolation according to a context (state value of adjacent pixels). In the interpolation method, the ambiguity between the interpolation value and the threshold value is r |
| 7039112 |
Moving picture mailing system and method |
May 2, 2006 |
| Disclosed is a moving picture mailing system which comprises a video signal capturing device for capturing digital video signals from video signal information of moving pictures; an audio signal capturing device for capturing digital audio signals from audio signal information of mov |
| 6741748 |
Scan interleaving method based on context values of neighboring pixels, improved encoding/decodi |
May 25, 2004 |
| There are provided an improved scan interleaving method based on context values of neighboring pixels, an improved binary shape encoding/decoding method, and encoding/decoding apparatus suitable for the same. The hierarchical binary shape encoding apparatus includes a portion for dow |
| 6611625 |
Linear down/ups-sampling apparatus and generalized scan interleaving-based encoding/decoding met |
August 26, 2003 |
| A generalized scan interleaving-based encoding/decoding method using context values of neighboring pixels and an apparatus therefore, and linear down/up-sampling apparatus used in the apparatus are provided. If the down-sampling ratio is m/n, the linear down-sampling apparatus divides |
| 6501861 |
Scalable coding/decoding methods and apparatus for producing still image using wavelet transform |
December 31, 2002 |
| Shape information is scalably encoded and decoded by interleaved scan line (ISL) and raster scan line (RSL) methods and the encoded and decoded shape information is used for encoding texture information. The shape information of a chrominance (UV) component is encoded to compensate for |
| 6493387 |
Moving picture coding/decoding method and apparatus having spatially scalable architecture and s |
December 10, 2002 |
| A moving picture coding/decoding method and apparatus having a spatially scalable architecture and a signal-to-noise ratio (SNR) scalable architecture together is provided. The coding method includes the steps of down sampling shape information and texture information by a predetermined |
| 6240212 |
Scan interleaving method |
May 29, 2001 |
| There is provided an improved scan interleaving method suitable for multipurpose encoding of binary image data, and for selectively encoding a part or the whole of object image data according to presence or absence of exceptional sampling data (ESD). In the present invention, when the pi |
| 6222882 |
Adaptive motion estimation method of a luminance signal |
April 24, 2001 |
| Correct motion estimation is performed by preventing an adverse effect due to the variation of lighting conditions when a motion estimation is performed in a motion image device. The method for estimating a motion by dividing an image frame represented by a luminance signal into a plural |
| 6198508 |
Method of encoding picture data and apparatus therefor |
March 6, 2001 |
| A method for encoding picture data using scan interleaving pixels and an apparatus and method for encoding the picture data includes the steps of determining whether pixels of a present scanning line in a predetermined frame of an image should be encoded according to comparison results |
| 6173080 |
Prediction method for discrete cosine transform coefficient |
January 9, 2001 |
| A discrete cosine transform (DCT) coefficient prediction method and a DCT coefficient encoding method are provided. For the prediction of AC coefficients, location information of the nonzero AC coefficients is used. Then, the AC coefficients are divided into the vertical and horizontal |
| 6052414 |
Moving picture coding method and apparatus for low bit rate systems using dynamic motion estimat |
April 18, 2000 |
| In a moving picture coding method and apparatus for low bit rate systems using dynamic motion estimation, a shape component of the moving object for analysis can be extracted together with a motion component, thereby reducing bit generation and reducing degradation of a reconstructed ima |
| 6021230 |
Interpolation method for binary image |
February 1, 2000 |
| An improved interpolation method in which a threshold value used for determining a pixel value of a pixel generated by interpolation according to a context (state value of adjacent pixels). In the interpolation method, the ambiguity between the interpolation value and the threshold v |
| 6018601 |
Interpolation method for binary image |
January 25, 2000 |
| An interpolation method in which a threshold value used for determining a pixel value of a pixel generated by interpolation according to a context (state value of adjacent pixels). In the interpolation method, the ambiguity between the interpolation value and the threshold value is r |
| 6016111 |
Digital data coding/decoding method and apparatus |
January 18, 2000 |
| A digital data coding/decoding method and apparatus are provided. The coding method includes the steps of representing respective digital data by digits of a predetermined same number, and coding the digital data represented by digits of the same number by a predetermined coding method |
| 6011496 |
Digital data coding/decoding method and apparatus |
January 4, 2000 |
| A digital data coding/decoding method and apparatus are provided. The coding method includes the steps of representing respective digital data by digits of a predetermined same number, and coding the digital data represented by digits of the same number by a predetermined coding method |
| 6002813 |
Interpolation method for binary image |
December 14, 1999 |
| An improved interpolation method in which a threshold value used for determining a pixel value of a pixel generated by interpolation according to a context which is a state value of adjacent pixels. In the interpolation method, the ambiguity between the interpolation value and the th |
| 6002812 |
Interpolation method for binary image |
December 14, 1999 |
| An improved interpolation method in which a threshold value used for determining a pixel value of a pixel generated by interpolation according to a context which is a state value of adjacent pixels. In the interpolation method, the ambiguity between the interpolation value and the th |
| 5943447 |
Video signal encoding/decoding method based on adaptive lattice quantization |
August 24, 1999 |
| A video signal encoding and/or decoding method based on adaptive lattice quantization. An input frame of a video sequence is partitioned into blocks of pixel data called vectors. The set of the vectors is partitioned into blocks called macroblocks. The vectors in each macroblock are |
| 5764296 |
Resolution-variable adaptive picture compression |
June 9, 1998 |
| A resolution-variable adaptive picture compression method and the apparatus therefor varies the resolution of the currently compressed picture while adjusting its frame structure which is compressed according to the picture's condition, to thereby enhance picture quality with respect to |
| 5724451 |
Image compression method and apparatus using conditional quadtree split sysyem |
March 3, 1998 |
| An image compression method employing a conditional quadtree split method includes inputting image data in frame or field units as blocks having a predetermined size; generating an average value for all of the pixels in each block and a sub-block code value for determining whether to per |
| 5675386 |
Method for encoding motion image and apparatus therefor |
October 7, 1997 |
| A method for encoding a motion image and an apparatus therefor includes first and second buffers, a motion estimator/compensator, an MC error generator/divider, first and second quadtree processors, a multiplexer, a quantizer, a variable length coder, a bit rate controller, an inverse |
| 5642166 |
Bi-directional motion estimation method and apparatus thereof |
June 24, 1997 |
| A bi-directional motion estimation method and apparatus thereof in a low bit-rate moving video codec system, for filtering motion vectors by performing a bi-directional motion estimation in units of objects having the same motion in a constant domain and for compensating the motion using |
