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autocontrast
- contrast adjusment Contrast is the difference in luminance or color that makes an object (or its representation in an image or display) distinguishable. In visual perception of the real world, contrast is determined by the difference in the color a
detect_boundary
- boundary detection Contrast is the difference in luminance or color that makes an object (or its representation in an image or display) distinguishable. In visual perception of the real world, contrast is determined by the difference in the color a
gvfc
- Contrast is the difference in luminance or color that makes an object (or its representation in an image or display) distinguishable. In visual perception of the real world, contrast is determined by the difference in the color and brightness of the
iris-matching
- iris image matching and show the difference bw two images
Wet-paper-coding-based-multi-pixel-
- 基于湿纸编码的图像隐写技术，很有价值的，采用的像素差值的方法。-Wet paper coding based on image steganography technology, great value, the method used by the pixel difference.
Face-Recognition-survey
- Face recognition has been one of the most interesting and important research fields in the past two decades. The reasons come the need of automatic recognitions and surveillance systems, the interest in human visual system on face recognition, and th
jg
- Detect tampering in low quality image. Part of a image is extracted , compressed at different quality original image reinserted in to original image. Calculate sum of square difference between manipulated image and different resaved version comp
jai-imageio-master
- oracle提供的图像库JAI-IO的源代码，JAI支持TIFF、jpg、bmp等格式，提供图形读入和生成、缩放、差值计算、反锯齿等功能-oracle provides JAI-IO image library source code, JAI support TIFF, jpg, bmp format, read and generate graphical, scaling, difference calculation, anti-aliasing and other functions
SLAM
- 本文研究了基于多传感器组合导航方法的SLAM，由于移动机器人无法通过单个传 感器得到可靠的信息，采用多传感器组合导航的方法可以很好的解决这个问题。本文用单个 CCD摄像头和里程计组合进行SLAM研究，并得到更准确的机器人位姿信息。首先用SIFT 算法对不同图像进行特征提取和匹配，得到本质矩阵，对它进行分解，可得到机器人的旋转 矩阵和平移向量(和实际相差一个比例因子)。然后，将它与里程计信息结合，得到机器人的 位姿。在此基础上，可以得到特征点在当前摄像机坐标系中的三维坐标，即创
二值图像中拐点的实时检测算法
- 数字图像中的拐点通常成为重要的信息载体，因此准确、稳定和实时地检测出拐点便成为拐点检测算法面l临的主要问题，针对该问题，提出了一种新的二值图像中拐点的实时检测算法。该算法与传统基于边界链码的拐点检测算法不同，其是首先构建像素的k(k>8)邻域，并将图像中物体的边界表示为k邻域链码；然后根据曲率定义的差分形式计算各边界点处的曲率；最后通过检测曲率直方图的局部峰值精确定位出拐点，并利用拐角内部像素的颜色统计信息迅速判断出拐点的凸凹性。(The inflection point in the d
05567108.pdf
- The sky region of restored images often appears serious noise and color distortion using classical dark channel prior algorithm. To address this is- sue, we propose an improved dark channel prior algorithm which recognizes the sky regions in hazy ima