| Patent application number | Description | Published |
|---|
| 20080286007 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - An image forming apparatus and an image forming method are provided, in which a drum itself forms an electrostatic latent image corresponding to print data that is to be printed, on a surface of the drum, the electrostatic latent image is developed so as to generate a developed image, the developed image is transferred onto a printing medium, and the transferred image is fixed to the printing medium. Accordingly, the time required to print the print data is drastically reduced, it is possible to reduce the size of an image forming apparatus, and high quality print outs can be obtained. | 11-20-2008 |
| 20100195924 | METHOD AND APPARATUS FOR SUCCESSIVELY ENCODING/DECODING IMAGE - Provided is a method and apparatus for compression encoding/decoding an image based on the repetition of an access unit and the repetition of a residual value. | 08-05-2010 |
| 20100220083 | DRIVING APPARATUS OF 2D/3D IMAGE DISPLAY APPARATUS - There are provided a driver unit of a 2D/3D image display apparatus employing a single power supply system and a 2D/3D image display apparatus having the driver unit. In the driver unit of the 2D/3D image display apparatus, the driver unit supplies a 3D image display panel driving signal to the 3D image display panel. The driver unit includes: a single power supply unit which generates a single source voltage; and a control circuit which is connected to the single power supply unit and has first and second output terminals connected to the 3D image display panel. The control circuit outputs first and second positive voltage pulse signals having a phase difference of 90 degree through the first output terminal and the second output terminal. Here, the 3D image display panel driving signal is a differential signal between the first and second positive voltage pulse signals. | 09-02-2010 |
| 20100232722 | METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE BASED ON CODE TABLE SELECTION ADAPTED TO RESIDUAL VALUE DISTRIBUTION - A method and apparatus are provided for encoding and decoding an image which entropy encode and decode a residual value of a current pixel in consideration of a context model determined with reference to at least one pixel value that is encoded and decoded before the current pixel and distribution of the residual values encoded and decoded according to the determined context model. | 09-16-2010 |
| 20110026545 | METHOD AND APPARATUS FOR ENCODING AND DECODING DATA WITH ALTERED BIT SEQUENCE - Provided are methods and apparatuses for encoding data. One method of encoding data includes generating second data by altering locations of bits within first data to be encoded next based on values of bits within at least one piece of previously encoded data; and entropy-encoding the second data. Also provided are methods and apparatuses for decoding data. | 02-03-2011 |
| 20110064131 | METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE BASED ON SKIP MODE - A method and apparatus for decoding an image are provided. The method includes: decoding information representing that a first block of the image has been encoded in a first mode; and reconstructing the first block by setting pixel values of the first block to be identical with pixel values of a second block of the image that is adjacent to the first block and has been decoded prior to the first block, wherein the first mode is a mode for encoding information representing that the first block is identical or similar to the second block and has been encoded in the first mode, instead of encoding the pixel values of the first block. | 03-17-2011 |
| 20110064132 | METHODS AND APPARATUSES FOR ENCODING AND DECODING MODE INFORMATION - Methods and apparatuses for encoding and decoding mode information of a block of an image. The method of decoding the mode information includes decoding information representing whether a current block is encoded in a first mode, and hierarchically decoding information representing an encoding mode of the current block from among a second mode and a third mode. | 03-17-2011 |
| 20110064133 | METHOD AND APPARATUS FOR ENCODING AND DECODING MODE INFORMATION - A method and apparatus for decoding hierarchical mode information including mode information indicating whether a current block is encoded in an encoding mode identical to an encoding mode of a plurality of consecutive previous blocks. | 03-17-2011 |
| 20110064324 | METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE BASED ON SKIP MODE - A method and apparatus for encoding and decoding an image. The encoding method includes: deciding whether pixel values of a first block of an image are identical to pixel values of a second block of the image that is encoded prior to the first block in a current slice of the image, and determining whether to encode the first block in a first mode according to the deciding; and selectively encoding the first block in the first mode based on the determining, wherein the first mode is a mode for encoding information representing that the first block is encoded in the first mode, instead of encoding the pixel values of the first block, when the first block is identical or similar to the second block. | 03-17-2011 |
| 20110064325 | METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE BASED ON SKIP MODE - An image encoding method and apparatus, and an image decoding method and apparatus respectively corresponding to the image encoding method and apparatus are provided. The image encoding method includes: if a current block is an initial block of a current slice, determining whether a virtual block in which pixel values are equal to a predetermined value is identical to the current block; and encoding the current block in a first mode based on the determining, wherein the first mode is a mode for encoding information representing that the current block is encoded in the first mode, instead of encoding pixel values of the current block, when the current block is identical to the virtual block. | 03-17-2011 |
| 20110116721 | METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE DATA USING RUN OF THE IMAGE DATA - An encoding method includes selecting a run detection method in accordance with characteristics of image data, generating a run value by detecting a run that is repeated in the image data in accordance with the selected run detection method, generating run count bits by counting the number of repetitions of the detected run, and performing a run-length encoding using the detected run values and the run count bits. The run detection method includes a coefficient run detection method that detects a run based on pixel values, a pattern run detection method that detects the run based on whether the pixel blocks have a specified pattern, a difference run detection method that detects the run based on a difference value between two successive pixel values, and a residual run detection method that detects the run based on an error value that is a difference value between an actual pixel value and a predicted value. | 05-19-2011 |
