...外,还采用了一系列优化方法,比如基于静止块提前退出技术和基于预测的运动估计和运动补偿算法、使用整型离散余弦变换(Integer DCT)算法取代传统的浮点型离散余弦变换(Float DCT)算法、零系数的提前判断方法、使用16位的颜色空间,优化ABS函数等,使得软件能够流畅...
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Then we made some more deep research on the intra-prediction and integer DCT transform technologies of the H. 264 standard.
264标准的帧内预测和DCT整数变换技术进行了较深入地探讨。
The integer DCT was implemented by lifting matrix to promote efficiency, and the transformed signal could be reconstructed completely.
利用提升矩阵,实现了整型DCT变换,进一步提高了运算效率的同时,使信号可精确重构。
Combined with FSVQ algorithm, the traditional DCT transform and integer DCT transform are used to improve the performance of image compression.
对经典DCT变换和整数DCT变换进行研究,并把它们和有限状态矢量量化编码算法相结合,提高了对图像的压缩性能。
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