有的时候在开发jsp时，需要使用jstl时，在jsp上面引用jstl却出现错误：Can not find the tag library descriptor for "http://java.sun.com/jsp/jstl/core，这是由于缺少两个jar包导致的。

This tool allows you to create, edit and validate HID Report Descriptors. The tool also supports a variety of output formats (.txt, .inc, .h, etc.). DT uses ASCII based Usage Tables and supports vendor defined pages as well. Included are Usage Table files for the HID Usage Table document 1.0 Release Candidate 1, Monitor Class 1.0 Release Candidate 2, and Power Class Spec. Read the included README.TXT file for more information.

（1）ICCV1999 Object Recognition from Local Scale-Invariant Features.pdf提出(作者：David G. Lowe)（2）IJCV2004 Distinctive image features from scale invariant keypoints.pdf总结(作者：David G. Lowe)（3）CVPR2004 PCA-SIFT：A More Distinctive Representation for Local Image Descriptors.pdf加PCA降维

local self-similarity descriptor matlab code

采用改进环形SIFT描述算子的图像复制粘贴篡改检测