Implementation of discrete cosine transformation and its inverse on programmable graphics processor

Implementation of discrete cosine transformation and its inverse on programmable graphics processor

The discrete cosine transform (DCT) is mapped to a graphics processing unit (GPU) instead of a central processing unit (CPU). The DCT can be implemented using a shader-based process or a host-based process. A matrix is applied to a set of pixel samples. The samples are processed in either rows or co...

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Hauptverfasser: Verbeck, Channing Pierce, Peeper, Craig Carroll
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creator Verbeck, Channing Pierce
Peeper, Craig Carroll
description The discrete cosine transform (DCT) is mapped to a graphics processing unit (GPU) instead of a central processing unit (CPU). The DCT can be implemented using a shader-based process or a host-based process. A matrix is applied to a set of pixel samples. The samples are processed in either rows or columns first, and then the processing is performed in the opposite direction. The number of times a shader program is changed is minimized by processing all samples that use a particular shader (e.g., the first shader) at the same time (e.g., in sequence).
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title Implementation of discrete cosine transformation and its inverse on programmable graphics processor
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