1) improved average pixels information bit
改进的平均像素信息比特
1.
To solve the issues of the chicken and egg dilemma of rate control model in JM86, the paper improves the calculation method of average pixels information bit (Average Pixel Information Bit, APIB) ,then use the improved average pixels information bit and the change of peak signal noise ratio (Peak Signal Noise Ratio, PSNR) of current macroblock to calculate complexity of the macroblock.
为了解决JM86码率控制模型存在“蛋鸡”悖论的缺陷,本文对平均像素信息比特(Average Pixel Information Bit,APIB)的计算方法进行改进,用改进的平均像素信息比特与当前宏块的峰值信噪比(Peak SignalNoise Ratio,PSNR)的变化值加权来计算宏块复杂度,并用计算出的图像复杂度来为每个宏块分配编码比特。
2) average pixel information bit(APIB)
平均像素信息比特
1.
264,a new concept of average pixel information bit(APIB) and the novel rate control model based on it are represented at first;then the more precise bit allocation scheme is implemented according to the coding complexity of each macro-block,and the parameters of rate control model are updated by the change of APIB adaptively;finally,the comp.
264码率控制模型的缺陷,首先提出了平均像素信息比特(APIB)的概念及其码率控制模型;然后在宏块层,根据各个宏块不同的编码复杂度进行准确的码字分配;接着通过APIB的变化来自适应地更新码率控制模型的系数;最后提出了完整的基于宏块的码率控制算法,并将其在JVT的JM85平台上实现。
3) average pixel information bit
平均象素信息比特
4) MMIB
每比特平均互信息
5) average bit SNR
平均比特信噪比
6) modified image information entropy
改进型图像信息熵
1.
Based on the modified image information entropy and Otsu cluttering algorithm,a multilevel adaptive segmentation algorithm for marine target under complex background images was put forward.
采用一种改进型图像信息熵来表征目标区域的复杂程度,并以改进型信息熵和Otsu聚类算法为基础,提出一种遥感图像海上目标多级自适应分割方法。
补充资料：改进
改变旧有情况，使有所进步：～工作ㄧ操作方法有待～。
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参考词条