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US 2002/0118746 A1Published application
Method of performing video encoding rate control using motion estimation
OwnerHyun Mun Kim, Tinku Acharyainventors
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Abstract
Embodiments of a method for video encoding rate control using motion estimation are disclosed.
Claims51
A method of performing video encoding comprising:
- adjusting a video encoding rate employed during video encoding based at least in part on an estimation of motion for a selected portion of a video image being encoded.
A device having the capability to perform video encoding comprising:
- a mechanism to adjust a video encoding rate employed during the video encoding based at least in part on an estimate of motion for a selected portion of a video image being encoded;
- wherein said mechanism is implement within a video encoder.
An article comprising:
- a storage medium, said medium having stored thereon instructions that, when executed, result in the performance of video encoding by:
- adjusting a video encoding rate employed during video encoding based at least in part on an estimate of motion for a selected portion of a video image being encoded.
A video processing platform comprising:
- a video encoder;
- a video input device coupled to said video encoder;
- and
- memory;
- wherein said memory is coupled to said video encoder to store video encoded by said video encoder;
- and
- wherein said video encoder includes a mechanism to adjust a video encoding rate employed during video encoding based at least in part on an estimate of motion for a selected portion of a video image being encoded.
4 more elements
A method of performing video decoding comprising:
- decoding video that has been encoded, wherein said encoded video was encoded by adjusting a video encoding rate employed during video encoding based at least in part on an estimate of motion for a selected portion of a video image being encoded.
A video processing platform comprising:
- a video decoder;
- a video output device coupled to said video decoder;
- and
- memory;
- wherein said memory is coupled to said video decoder to store video previously encoded by a video encoder, wherein said video encoder included a mechanism to adjust a video encoding rate employed during the video encoding based at least in part on an estimate of motion for a selected portion of a video image being encoded.
2 more elements
An article comprising:
- a storage medium, said medium having stored thereon instructions that, when executed, result in the performance of video decoding by:
- decoding video that has been encoded, wherein said encoded video was encoded by adjusting a video encoding rate employed during video encoding based at least in part on an estimate of motion for a selected portion of a video image being encoded.
A method of creating a video encoding rate control table comprising:
- computing a relationship between the number of bits and SAD or its substitute of a plurality of video images for a variety of quantization step sizes;
- preparing a look up table to provide quantization step size substantially in accordance with the computed relationship.
An article comprising:
- a storage medium having stored thereon a look up table, said table comprising a relationship between the number of bits and SAD or its substitute of a plurality of video images for a variety of quantization step sizes.
Dependencies are inferred from the claim text.