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1·A robust 2-d head tracking is proposed which is based on histogram matching and shape constrain.

针对2维的人脸(头)跟踪的特点，提出了一种结合直方图匹配和形状约束的鲁棒跟踪方法。

2·One group mapping law-GAGML is given in this thesis, it can realize the histogram matching mapping.

本文给出一种组映射算法（GAGML），可以较好地实现这种映射。

3·Spectral enhancement includes linear contrast stretch, non-linear contrast stretch, histogram equalization and histogram matching etc.

光谱增强包括线性反差拉伸、非线性反差拉伸、直方图均衡化和直方图匹配等方法。

4·This paper presents a new image fusion scheme based on local histogram matching filtering techniques for fusing high resolution panchromatic and multi spectral images.

本文提出了一种基于局部直方图匹配滤波技术的影像融合新方法。

5·Because peoples vision is not sensitive to the slight edge that participated in matching, making use of gray edge histogram to retrieval image has an effect on the result.

利用边缘直方图检索图像，因为人眼并不敏感的细微边缘也参与匹配，所以会影响检索效果。

6·Introduces color feature extraction and matching algorithms in content-based image retrieval, such as weighted Euclidean-distance, weighted centre distance, histogram intersection algorithm, etc.

介绍了基于内容图像检索中多种颜色的特征提取和匹配算法，以及加权欧几里得距离、中心距的加权距离、直方图交集算法等。

7·Absrtact: Because people 's vision is not sensitive to the slight edge that participated in matching, making use of gray edge histogram to retrieval image has an effect on the result.

摘要：利用边缘直方图检索图像，因为人眼并不敏感的细微边缘也参与匹配，所以会影响检索效果。

8·The experimental results show that the histogram cross matching function is a useful criterion for measuring the performance of compressed images.

实验结果表明，直方图相交匹配函数是一种有效的图像压缩评测准则。

9·The pixel-matching two-difference algorithm and two histogram comparison are used for shot detection, a method of extraction shot key frame based on distance of adjacent frame is presented.

首先使用改进了的像素匹配二次差分法结合双阈值法进行镜头突变和渐变的检测，然后对镜头内的帧间距离进行判断来提取关键帧；