文件名称:imagepro
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- 上传时间：2012-11-16
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Color space conversion is an important kernel in multimedia
codecs such as JPEG and MPEG. When implemented
using SIMD instructions, however, the performance
improvement is often limited due to two reasons. First, corresponding
color space components
operation. It has been reported that it consumes
up to 40 of the processing time of a highly optimized
decoder [3, 2]. Consequently, the performance
of JPEG/MPEG coders/decoders (codecs) can be improved-Color space conversion is an important kernel in multimedia
codecs such as JPEG and MPEG. When implemented
using SIMD instructions, however, the performance
improvement is often limited due to two reasons. First, corresponding
color space components
operation. It has been reported that it consumes
up to 40 of the processing time of a highly optimized
decoder [3, 2]. Consequently, the performance
of JPEG/MPEG coders/decoders (codecs) can be improved
codecs such as JPEG and MPEG. When implemented
using SIMD instructions, however, the performance
improvement is often limited due to two reasons. First, corresponding
color space components
operation. It has been reported that it consumes
up to 40 of the processing time of a highly optimized
decoder [3, 2]. Consequently, the performance
of JPEG/MPEG coders/decoders (codecs) can be improved-Color space conversion is an important kernel in multimedia
codecs such as JPEG and MPEG. When implemented
using SIMD instructions, however, the performance
improvement is often limited due to two reasons. First, corresponding
color space components
operation. It has been reported that it consumes
up to 40 of the processing time of a highly optimized
decoder [3, 2]. Consequently, the performance
of JPEG/MPEG coders/decoders (codecs) can be improved
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imagepro.cpp
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