This paper introduces the image block segmentation into the multi-focus image fusion, and USES wavelet spatial frequency as the multi-focus image clarity indicator.
本文将图像块分割引入多聚焦图像融合中,以小波空间频率作为多聚焦图像的清晰度指标。
The image data of the photo set was compressed with IBR compression algorithms such as the block coder, the reference coder and multidimensional wavelet transform.
再用块编码、参考编码和高维变换(小波)编码等三类I BR压缩系统对照片集图像数据进行压缩。
The authors present a new algorithm for block-matching motion estimation based on wavelet transform. The simulation shows that this algorithm has better PSNR and performance-to-complexity ratio.
提出了一种基于小波变换域的块匹配运动估计搜索的新算法,模拟实验表明,利用此算法可获得比一般运动块匹配方法更大的峰值信噪比,具有更好的性能复杂度比。
If the movement is drastic, adopt the wavelet transformation first, then use this method to search block match, which can reduce a great deal of complicated calculating.
在运动非常激烈时,则首先采用小波变换,然后再用本方法进行块匹配搜索,可减少大量复杂的运算量。
Besides the high coding efficiency, the improved block-based adaptive threshold wavelet embedded coding algorithm preserves the properties of the SPECK and has high coding efficiency.
改进的分块自适应阈值算法不仅保留了原算法的优点,而且具有较高的编码效率。
Nevertheless, the smaller size of sub image also results to clearer block effect, and the fusion results achieved by ridgelet will also approximate to wavelet transform.
但是,分割尺寸越小,重构图像的块状效应越明显,而且分割越小图像所表示的方向也越少,效果也近似于小波变换。
In the scheme, 2-d motion vectors are obtained by a variable block-size multiresolution motion estimation algorithm and motion estimation is realized in the wavelet domain.
在该编码方案中,运动矢量的获取采用了可变块大小的多分辨运动估计算法,运动估算在小波域中进行。
In the scheme, 2-d motion vectors are obtained by a variable block-size multiresolution motion estimation algorithm and motion estimation is realized in the wavelet domain.
在该编码方案中,运动矢量的获取采用了可变块大小的多分辨运动估计算法,运动估算在小波域中进行。
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