微代码全局压缩是当前固件工程的一个重要课题。
Global microcode compaction at present is an important issue in firmware engineering.
实验结果表明，相对于全局搜索，所提方法大幅地提高了编码速度和压缩比，而解码质量只略有下降。
Experimental results indicate that comparing to exhaustive search, the proposed method improves the coding speed and compression ratio greatly with slight quality degradation of decoded image.
MPSO同时采用局部模式压缩因子方法和全局模式惯性权重方法以获得相对较高的性能。
The MPSO employs local version constriction factor method and global version inertia weight method simultaneously to achieve relatively high performance.
HPSO同时采用局部模式的压缩因子方法和全局模式的惯性权重方法以获得相对较高的性能。
The HPSO employs local version constriction factor method and global version inertia weight method simultaneously to achieve relatively high performance.
本文提出了一种逆向纹理合成技术，用能量优化的方法根据大的全局变化纹理自动生成一个小的压缩纹理。
An inverse texture synthesis technique is proposed to automatically produce a small compaction from a large globally varying texture via energy optimization.
主成分变换可以很好的压缩信息，但由于它的全局性，使得光谱特征和局部特征没有被更好的保留下来；
PCA is sufficient for reducing data volume, however it fails to preserve the spectral and local characteristic of the original data.
主成分变换可以很好的压缩信息，但由于它的全局性，使得光谱特征和局部特征没有被更好的保留下来；
PCA is sufficient for reducing data volume, however it fails to preserve the spectral and local characteristic of the original data.
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