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 functions that rely on the avalanche effect of small changes in input leading to drastic changes in the output, perceptual hashes are "close" to one another if the inputs are visually or auditorily similar. As a result, perceptual hashes must also be robust enough to take into account transformations that could have been performed on the input.
標簽： perceptual implementation algorithms fingerpr
上傳時間： 2013-12-08
上傳用戶：星仔
windows xp 的DOS批命令中接受一個鍵盤輸入的字符（... ? C語言，如何給下面代碼加一個是否繼續(xù)計算Y/N? ? 運行時please input the name:，然后直接是are you s... ? 輸入Y？N？后的值為？
上傳時間： 2013-11-28
上傳用戶：15071087253
This project features a complete JPEG Hardware Compressor (standard Baseline DCT, JFIF header) with 2:1:1 subsampling, able to compress at a rate of up to 24 images per second (on XC2V1000-4 @ 40 MHz with resolution 352x288). Image resolution is not limited. It takes an RGB input (row-wise) and outputs to a memory the compressed JPEG image. Its quality is comparable to software solutions.
標簽： Compressor Hardware Baseline features
上傳時間： 2017-04-21
上傳用戶：wyc199288
Auctions are among the oldest economic institutions in place. They have been used since antiquity to sell a wide variety of goods, and their basic form has remained unchanged. In this dissertation, we explore the efficiency of common auctions when values are interdependent- the value to a particular bidder may depend on information available only to others-and asymmetric. In this setting, it is well known that sealed-bid auctions do not achieve efficient allocations in general since they do not allow the information held by different bidders to be shared.
標簽： institutions antiquity Auctions economic
上傳時間： 2014-07-14
上傳用戶：Breathe0125
The Microsoft(R) Guide for Assembly Language and C Programmers By Ray Duncan PROGRAMMING FOR MS-DOS Genealogy of MS-DOS MS-DOS in Operation Structure of MS-DOS Application Programs MS-DOS Programming Tools Keyboard and Mouse Input Video Display Printer and Serial Port File Management Volumes and Directories Disk Internals Memory Management The EXEC Function Interrupt Handlers Installable Device Drivers Filters Compatibility and Portability MS-DOS FUNCTIONS REFERENCE IBM ROM BIOS AND MOUSE FUNCTIONS REFERENCE LOTUS/INTEL/MICROSOFT EMS FUNCTIONS REFERENCE
標簽： Programmers PROGRAMMING Microsoft Assembly
上傳時間： 2017-05-05
上傳用戶：xuanjie
As a programming language, C is rather like Pascal or Fortran.. Values are stored in variables. Programs are structured by defining and calling functions. Program flow is controlled using loops, if statements and function calls. Input and output can be directed to the terminal or to files. Related data can be stored together in arrays or structures.
標簽： programming variables language Fortran
上傳時間： 2017-05-18
上傳用戶：hongmo
This is a Switch simulation... with 4 types of switches... and also we have average simulation time over these 4 switches 1. No Queue 2. Input Queue 3. Input Queue with iterative 4. Output QUeue
標簽： simulation switches average Switch
上傳時間： 2017-05-20
上傳用戶：徐孺
) Compression using huffman code -with a number of bits k per code word -provide huffman table Huffman coding is optimal for a symbol-by-symbol coding with a known input probability distribution.This technique uses a variable-length code table for encoding a source symbol. The table is derived in a particular way based on the estimated probability of occurrence for each possible value of the source symbol .Huffman coding uses a specific method for representing each symbol, resulting in a prefix code that expresses the most common characters using shorter strings of bits than those used for less common source symbols.The Huffman coding is a procedure to generate a binary code tree.
標簽： code Compression huffman provide
上傳時間： 2017-05-30
上傳用戶：yuchunhai1990
In the last decade the processing of polygonal meshes has emerged as an active and very productive research area. This can basically be attributed to two developments: Modern geometry acquisition devices, like laser scanners and MRT, easily produce raw polygonal meshes of ever growing complexity Downstream applications like analysis tools (medical imaging), computer aided manufacturing, or numerical simulations all require high quality polygonal meshes as input. The need to bridge the gap between raw triangle soup data and high-quality polygon meshes has driven the research on ecient data structures and algorithms that directly operate on polygonal meshes rather than on a (most often not feasible) intermediate CAD representation.
標簽： processing productive the polygonal
上傳時間： 2017-06-03
上傳用戶：TF2015
一個sms格式的PPC端短信備份的還原工具。原備份軟件BkGenuis包含在rar文件內(nèi)。 PPC上有個綠色的單獨的短信備份還原工具，備份的格式是sms，但是還原是直接還原至手機短信中，在PC端不可以直接閱讀。故編寫了這個java程序來實現(xiàn)sms格式的解碼。輸入是input.sms。輸出是txt文本格式。
上傳時間： 2013-12-19
上傳用戶：小碼農(nóng)lz
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