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.
标签： institutions antiquity Auctions economic
上传时间： 2014-07-14
上传用户：Breathe0125
The use of hardware description languages (HDLs) is becoming increasingly common for designing and verifying FPGA designs. Behavior level description not only increases design productivity, but also provides unique advantages for design verification. The most dominant HDLs today are Verilog and VHDL. This application note illustrates the use of Verilog in the design and verification of a digital UART (Universal Asynchronous Receiver & Transmitter).
标签： increasingly description designing languages
上传时间： 2014-01-08
上传用户：小草123
OTSU Gray-level image segmentation using Otsu s method. Iseg = OTSU(I,n) computes a segmented image (Iseg) containing n classes by means of Otsu s n-thresholding method (Otsu N, A Threshold Selection Method from Gray-Level Histograms, IEEE Trans. Syst. Man Cybern. 9:62-66 1979). Thresholds are computed to maximize a separability criterion of the resultant classes in gray levels. OTSU(I) is equivalent to OTSU(I,2). By default, n=2 and the corresponding Iseg is therefore a binary image. The pixel values for Iseg are [0 1] if n=2, [0 0.5 1] if n=3, [0 0.333 0.666 1] if n=4, ... [Iseg,sep] = OTSU(I,n) returns the value (sep) of the separability criterion within the range [0 1]. Zero is obtained only with images having less than n gray level, whereas one (optimal value) is obtained only with n-valued images.
标签： OTSU segmentation Gray-level segmented
上传时间： 2017-04-24
上传用户：yuzsu
Face Recognition Library ======================== Advanced face recognition DLL using two functions : Train and Recognize. Uses neural net back propogation alogorithm with more AI tools added for imaging optimization. Library works great even for a low resolution web cam image and requires the user to align to a mirror frame on screen. Complete Source Code with Video capture and feature extraction kit for Registered Users. Please register here for only $299 with Source Code : http://www.research-lab.com/facerecognitionorder.htm (c) www.research-lab.com
标签： Recognition recognition Advanced Library
上传时间： 2017-04-25
上传用户：784533221
关于U盘开发中所用到的协议，SCSI命令和BULK-only传输协议的约定
上传时间： 2014-01-18
上传用户：wqxstar
The philosophy of the book is to present various pattern recognition tasks in a unified way, including image analysis, speech processing, and communication applications. Despite their differences, these areas do share common features and their study can only benefit from a unified approach.
标签： recognition philosophy pattern present
上传时间： 2017-05-05
上传用户：plsee
使用TWAIN读取扫描仪的图像。In Windows imaging applications, the most used API for scanning is TWAIN www.twain.org. Unfortunately, the new .NET Framework has no built-in support for TWAIN. So we have to work with the interop methods of .NET to access this API. This article doesn t explain this interop techniques, and good knowledge of the TWAIN 1.9 specifications is assumed! The sample code included doesn t present a finished library, only some essential steps for a minimal TWAIN adaption to .NET applications.
标签： TWAIN applications scanning Windows
上传时间： 2013-12-25
上传用户：3到15
JMP3Player is a mp3 player written in Java. JMP3Player uses NativeFmod library. JMP3Player supports *.mp3,*.wav,*.ogg and wma(windows only) file formats.
标签： JMP3Player NativeFmod supports library
上传时间： 2013-12-20
上传用户：xiaohuanhuan
写号步骤： 1、将手机连通CDMA Workshop 2.7，在security选项卡里的 spc中点击读取，将000000填入spc里的方框，点击spc钮选择send， 于是显示spc解锁成功。 2、点击“nam”选项卡，将min填入10位码（就是imsi码去掉46003剩下的），将mcc填入460，mnc填入03，填入imsi15位码，banner填入你想填的字符（我填的中国电信），点击写入即可 3、这一步，就应该写入akey码了（如果不知道AKEY，可以通过电信机房关闭鉴权，但是不推荐这样做，有盗号风险），点击“cave”选项卡，在a-key后的方框 填入你的akey，点击写入即可。 4、重启6950，能够打电话了 针对白三角以及1X上网问题，请注意： 1、如果有白色三角漫游标记，通过将PRL由003升级到008解决方法是 ：拨##778#，输入SPC码，即000000，点击VIEW 中PRI后点EDIT，将拷贝到机子中的prl文件浏览选到，点击OK升级 2、CDMA 1X无法上网的解决方法： 拨##778#，输入SPC码，即000000，点击VIEW 中M.IP后将“Mobile IP Only ”改为“simly IP only” SPC在内存中的地址：018E:0190（只要输入018E）
上传时间： 2013-12-29
上传用户：ainimao
Servomotors are available as AC or DC motors. Early servomotors were generally DC motors because the only type of control for large currents was through SCRs for many years. As transistors became capable of controlling larger currents and switching the large currents at higher frequencies, the AC servomotor became used more often. Early servomotors were specifically designed for servo amplifiers. Today a class of motors is designed for applica-tions that may use a servo amplifier or a variable-frequency controller, which means that a motor may be used in a servo system in one application, and used in a variable-frequency drive in another application. Some companies also call any closed-loop system that does not use a stepper motor a servo system, so it is possible for a simple AC induction motor that is connected to a velocity controller to be called a servomotor.
标签： motors Servomotors servomotors available
上传时间： 2014-08-10
上传用户：源码3
