搜索资源列表
Image-Hashing-based-on-Human-Visual-System
- 提出一种基于视觉特性的图像摘要算法，增大人眼敏感的频域系数在计算图像Hash时的权重，使得图像Hash更好地体现视觉特征，并提高鲁棒性。将原始图像的分块DCT系数乘以若干由密钥控制生成的伪随机矩阵，再对计算的结果进行基于分块的Watson人眼视觉特性处理，最后进行量化判决产生固定长度的图像Hash序列。本算法比未采用视觉特性的算法相比，提高了对JPEG压缩和高斯滤波的鲁棒性。图像摘要序列由密钥控制生成，具有安全性。
Thesis_Robust_Image_Hashing
- 图像认证中的博士论文PDF和答辩PPT，关于Image Hashing技术，最新下载自美国名校The University of Texas at Austin的Brian L. Evans教授的实验室网站 -Thesis on robust image hashing downloaded from Professor Brian L. Evans in University of Texas at Austin in USA
hashingToolbox0_1beta
- matlab程序 图像哈希实现 用于图像认证领域-image hashing is used in authentication
spectral-hashing
- 基于spectral hash的特征binary化，大大提高图像检索的速度-Based on the characteristics of the spectral hash binary, greatly improving the image retrieval speed
pHash-0.4.tar
- pHash is an implementation of various perceptual hashing algorithms. A perceptual hash is a fingerprint of an audio, video, or image file that is mathematically based on the audio or visual content contained within. Unlike cryptographic hash function
AVEC_2DCOSTRANS
- matlab perceptual image hashing
venkie00robust
- Due to the popularity of digital technology, more and more digital images are being created and stored every day. This introduces a problem for managing image databases. Here we introduce a novel algorithm that utilizes a wavelet representation of im
graph-hashing
- 图像的谱哈希算法，输入图像，然后提取图像的gist特征，经过谱哈希算法，产生哈希序列-Spectral image hash algorithm, the input image, and then extract the image of the gist features through spectral hash algorithms produce hash sequence
hashing
- 将图像提取gist向量，然后计算各向量之间的欧氏距离，进行比较。-Extracted gist vector image, and then calculate the Euclidean distance between vectors, for comparison.
hashingToolbox0_1beta
- 图像认证中的Image Hashing技术，源码最新下载自美国名校The University of Texas at Austin的Brian L. Evans教授的实验室网站-Matlab programs for image hashing downloaded from Professor Brian L. Evans in University of Texas at Austin in USA
5
- check duplicates for a image after hashing
mikechambers-as3corelib-release.93-2-gc99a4ea
- The corelib project is an Actionscr ipt 3 Library that contains a number of classes and utilities for working with Actionscr ipt 3. These include classes for MD5 and SHA 1 hashing, Image encoders, and JSON serialization as well as general String, Num
array
- 矩阵的简单计算，包括加，减，乘，除。实现矩阵的代码操作-The algorithm has several optional matrices, and the image can be restored through reverse transform. Thus, it is very difficult to decode the hashing algorithm
Similarity-Search-via-Hashing
- 图像高维特征的hash化，大大提高检索速度-Image of high-dimensional feature hash, and greatly improve the retrieval speed
hash_module
- This sample class is designed to provide hashcode of 2D image. Image is converted to grayscale, shrink to 32x32 and then is calculated DCT which acts as a source for hashing.
Combined-HashingWatermarking-Method-for-Image-Aut
- combined hashing and watermarking
NMF-NMF-SQ-Hashing
- 主要是图像hash的对比试验可用，这个是图像哈希的一篇论文的实现代码。-image hash code
NEW-SVD-SVD-Hashing
- 图像哈希算法，SVD-SVD的编码。可供做图像hash的研究人员做对比试验-image hash SVD-SVD
NMF-NMF-SQ-Hashing
- 通过强大和安全的形象散列 非负矩阵因式分解，在信息取证与安全，376-390，2007年IEEE交易。NMF-NMF-SQ哈希- V. Monga, and M. K. Mihcak, Robust and secure image hashing via non-negative matrix factorizations, IEEE Transactions on Information Forensics and Security, 2(3), 376-390, 2007.
pHash-0.9.4
- 图像哈希算法phash的源代码，可用于图像搜索的学习(Image hashing algorithm-phash)