Apparatus and methods of using content information for encoding multimedia data are described. A method of processing multimedia data includes classifying content of multimedia data, and encoding the multimedia data in a first data group and in a second data group based on the content classification, wherein the first data group comprises a coefficient and the second data group comprises a first differential refinement associated with the first data group coefficient. An apparatus for using content information for encoding multimedia data includes a content classifying module configured to classify content of multimedia data and provide content classification data, and an encoder configured to encode the multimedia data in a first data group and in a second data group based on the content classification, wherein the first data group comprises a coefficient and the second data group comprises a first differential refinement associated with the first data group coefficient.

Scalability techniques based on content information

Apparatus and methods of using content information for encoding multimedia data are described. A method of processing multimedia data includes obtaining content information of multimedia data, and encoding the multimedia data so as to align a data boundary with a frame boundary in a time domain, wherein said encoding is based on the content information. In another aspect, a method of processing multimedia data includes obtaining a content classification of the multimedia data, and encoding blocks in the multimedia data as intra-coded blocks or inter-coded blocks based on the content classification to increase the error resilience of the encoded multimedia data. Apparatus that can process multimedia data described in these methods are also disclosed.

Methods and device for data alignment with time domain boundary

An apparatus and method for processing multimedia data, such as, for example, video data, audio data, or both video and audio data for encoding utilizing a determined content classification is claimed. Processing the multimedia data includes determining complexity of multimedia data, classifying the multimedia data based on the determined complexity, and, determining a bit rate for encoding the multimedia data based on its classification. The complexity can include a spatial complexity component and a temporal complexity component of the multimedia data. The multimedia data is classified using content classifications, which are based on a visual quality value for viewing multimedia data, using the spatial complexity, the temporal complexity, or both the spatial complexity and temporal complexity.

Content classification for multimedia processing

Apparatus and methods of using content information for encoding multimedia data are described. A method of processing multimedia data includes A method of processing multimedia data, including obtaining content information of multimedia data, and encoding the multimedia data to form an encoded bitstream, said encoding comprising inserting at least one redundant block of intra-coded data into the encoded bitstream based on the content information. In some aspects, the encoding comprises encoding the multimedia data into a base layer and an enhancement layer, and wherein the intra-coded data is encoded using the quantization parameter for the base layer. In other aspects, the intra-coded data is encoded using the quantization parameter for the enhancement layer.

Redundant data encoding methods and device

Apparatus and methods of using content information for encoding multimedia data are described. A method of processing multimedia data includes receiving multimedia data, and encoding the multimedia data into a first data group and a second data group based on content of the multimedia data, the first data group being configured to be independently decodable from the second data group, and wherein the first and second data groups are encoded at different quality levels. The method can also include classifying the content of the multimedia data and encoding the multimedia data based on the content classification.

Content driven transcoder that orchestrates multimedia transcoding using content information

The present invention is directed to a method for encoding an uncompressed digital video bit stream. The video bit stream comprises successive frames, each of which includes one or more odd fields and one or more even fields. Such frames with more than two fields may result from a telecine process as discussed above. The inventive method comprises the steps of capturing successive frames of said video bit stream in an encoder system, determining statistics for each frame to make an encoding decision for the frame, the statistics for each frame being determined in a single field time, using a statistically valid subset of pixels from the frame, and encoding the frame in said encoding system in a manner responsive to said encoding decision to generate an encoded bit stream. In a preferred embodiment of the invention, the statistically valid subset of pixels has a checkerboard pattern. Illustratively, the encoding decision involves dropping a repeated field in a frame and inserting a repeat field flag into the encoded bit stream.

Fermi Wang

Papers

Repeat field detection using checkerboard pattern