| Patent application number | Description | Published |
|---|
| 20080260043 | Device and method for coding a sequence of images in scalable format and corresponding decoding device and method - The invention relates to a method for coding an image data macroblock of a sequence of images presented in the form of a base layer and at least one enhancement layer. The image data macroblock to which corresponds an image data block in the base layer, called a corresponding block, belongs to the enhancement layer. The method comprises the following steps:
| 10-23-2008 |
| 20080304708 | Device and Method for Creating a Saliency Map of an Image - The invention concerns a method for creating a saliency map of an image. It comprises the steps of an image comprising the step of hierarchical decomposition of the image into frequential sub-bands, According to the invention, the method comprises the steps of | 12-11-2008 |
| 20090016439 | Derivation of Frame/Field Encoding Mode for a Pair of Video Macroblocks - The method wherein the field or frame mode is selected according to the following steps:
| 01-15-2009 |
| 20090041119 | Method and Device for Coding a Video Image - The method comprises a coding of a source block according to a coding mode wherein the selection of the coding mode is carried out, for a source block, according to coding error estimations and source block coding cost estimations for the different coding modes tested, the coding error being estimated, for a coding mode, according to the sum of the absolute values of coefficients obtained after a mathematical transformation in the frequency domain of the residue block related to this coding mode and as a function of the sum of absolute values of quantized coefficients corresponding to this coding mode. An application is the decision of the coding mode for data using the MPEG 2 or MPEG4-AVC standard. | 02-12-2009 |
| 20090122862 | Method for Locally Adjusting a Quantization Step and Coding Device Implementing Said Method - The invention relates to a method of locally adjusting a quantization step for each region of an image with respect to a setpoint quantization step. The method comprises the steps of:
| 05-14-2009 |
| 20090154561 | Compressed video data stream switching method - According to the method, the second data stream is modified prior to transmission, by a replacement of the bidirectional pictures with bidirectional commutation pictures of which the pictures blocks have a null residue and a null motion vector which is either forward or backward, according to the position of the blocks in the picture. | 06-18-2009 |
| 20090169125 | Method for Locally Adjusting a Quantization Step and Coding Device Implementing Said Method - The invention relates to a method of locally adjusting a quantization step for each region of an image in a sequence of n images. The method comprises the following steps:
| 07-02-2009 |
| 20090304080 | METHOD FOR CODING AN IMAGE SEQUENCE - The method comprises the steps for the:
| 12-10-2009 |
| 20100054331 | VIDEO ENCODING WITH INTRA ENCODING SELECTION - The method, for the determination of the coding mode of a macroblock constituted of picture blocks, carries out a pre-selection of intra directional predictive coding modes of macroblock blocks according to the following steps:
| 03-04-2010 |
| 20100232505 | Process for Coding Images Using Intra Prediction Mode - The process implements an intra prediction mode which comprises:
| 09-16-2010 |
| 20110026844 | Method for decoding a stream of coded data representative of a sequence of images and method for coding a sequence of images - A method for decoding a stream of coded data representative of a sequence of images divided into blocks is described. It comprises the following steps for a current block:
| 02-03-2011 |
| 20110080953 | Method for determining a filter for interpolating one or more pixels of a frame And Method And Device For Encoding Or Recoding A Frame - The invention is related to a method for determining a filter for interpolating one or more pixels comprised in a frame. The proposed method comprises the step of determining the filter based on other pixels in the remainder of the frame wherein a motion vector associated with said pixels has at least one motion parameter in common with another motion vector associated with said other pixels and the filter is determined such that a quality of an interpolation of said other pixels, said interpolation being determined by help of said determined filter, reaches or exceeds the quality of any other interpolation of said other pixels determinable by help of one of different filter candidates comprised in a filter candidate set. In determining the filter solely on different other pixels of the same frame, said method for determining a filter for interpolation allows for realization of a single pass encoding framework. | 04-07-2011 |
| 20110135211 | METHOD FOR MODIFYING A REFERENCE BLOCK OF A REFERENCE IMAGE, METHOD FOR ENCODING OR DECODING A BLOCK OF AN IMAGE BY HELP OF A REFERENCE BLOCK AND DEVICE THEREFORE AND STORAGE MEDIUM OR SIGNAL CARRYING A BLOCK ENCODED BY HELP OF A MODIFIED REFERENCE BLOCK - The invention is related to a method for modifying a reference block of a reference image. That is, the method comprises transforming the reference block into a first set of coefficients, modifying the first set of coefficients by help of one or more weights and inverse transforming the modified first set of coefficients wherein said weights are determined by help of one or more further pixels of the current image and by help of one or more further reference pixels of the reference image. Using further pixels of the current image as well as further reference pixels of the reference image allows spectral weights to be determined such that they reflect fading effects. Especially, if a reference frame consists of two cross-faded frames of which one shall be predicted by help of said reference frame, then, spectral domain weighting allows for separating the relevant of the two frames. | 06-09-2011 |
