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Description: 本文介绍了JPEG2000的静态图像压缩技术在TI TMS320DM642 DSP上的实现过程；对压缩技术核心小波算法结构进行改进，对硬件特点的程序结构、具体代码及总线读写等方面的改进作了详细描述．改进后的软件系统，对于1 024×768像素大小的图像、数据存储空间仅需6 KB，使得在资源有限的DSP芯片上能够运行JPEG2000图像压缩技术；编码速度相对于未改进的提高了l2～ 2O倍，可迭到3帧／s；压缩比为O．5 bit／p时，峰值信噪比可达到3O．-This paper introduces the JPEG2000 still image compression technology in the TI TMS320DM642 DSP Implementation process on wavelet compression technology is the core algorithm to improve the structure of the hardware features of the process structure, read and write the specific code and bus improvements, such as was described in detail . The improved software system, for 1 024 × 768 pixel image size, data storage space only 6 KB, allows limited resources to run the DSP chip JPEG2000 image compression technology encoding speed is not improved relative to the improvement of the l2 ~ 2O-fold, again and again to be 3/s compression ratio for O. 5 bit/p, the peak signal to noise ratio can be achieved 3O.
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Size: 243712 |
Author: H Simon |
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Description: C++&C编程的必备指南，简单易懂，实用性高-C++ & C programming essential guide, easy-to-read, practical, high-
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Size: 641024 |
Author: 安子昂 |
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Description: SCSI Multimedia Commands 鈥?2 (MMC-2)
NCITS 333 T10/1228-D
4.1.1. CD address reporting formats (MSF bit)
Several CD commands can report addresses either in logical block address or in MSF format (see Table 1).
The READ HEADER, READ SUB-CHANNEL, and READ TOC/PMA/ATIP commands have this Feature
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Size: 1284096 |
Author: zyx |
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Description: SCSI Multimedia Commands 鈥?3 (MMC-3)
T10/1363-D
5.16 READ CAPACITY Command
The READ CAPACITY command (Table 144) provides a means for the Initiator to request information
regarding the capacity of the Logical Unit. This command shall not report the correct capacity of the
recorded data for CD-R, CD-RW and DVD-R/-RW media that does not have a Lead-out in the last
Session or last Border-out. For CD-ROM, the returned logical block address is modified to allow returning
a possibly inexact value (but one with a known error bound) based on the Table of Contents data
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Size: 1736704 |
Author: zyx |
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Description: S3C6410 線路設計時一定要參考的文件,尤其是DDR Layout guide一定要看.以免開發出的板子不能動.-S3C6410 circuit design must read this documents, especially DDR Layout guide. To avoid your board can not run in high speed.
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Size: 2451456 |
Author: 呂宜有 |
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Description: 试验写老鼠爱大米的乐谱到24c02中,，从24c02中读出音乐来并播放音乐-老鼠爱大米Writing test scores in the 24c02, 24c02 read from the music and playing music
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Size: 60416 |
Author: lengling |
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Description: MMC 4.1标准，源自JEDEC，对于MMC CARD读写有相当重要的指导意义。-MMC 4.1 standard from JEDEC, has read and write to MMC CARD important guiding significance.
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Size: 1398784 |
Author: 李 |
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Description: An Overview of MIMO 很好的MIMO入门资料 看了这个就基本了解原理了~-An Overview of MIMO good MIMO read this introductory information on the basic understanding on the principles of the ~
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Size: 696320 |
Author: smart155 |
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Description: 介绍Linux 2.6内核的书籍。我看了一些章节觉得非常不错。这本书当前没有中文版。-The book introduce Linux 2.6 kernel. I have read some very good chapters. This book did not have a Chinese version of the current.
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Size: 6523904 |
Author: openxu |
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Description: 将pdf文档动态生成flash文件，从而满足客户的重要资料只允许北阅读不能被下载、拷贝和复制。该程序在运行的时候需要将php.ini的safe_mode设置为Off,根据phph的配置信息说明文档在safe_mode为On时可以通过设置safe_mode_exec_dir来保证本程序的正常运行，但是本人没有配制成功，往高手可以自行研究。-Pdf files will be dynamically generated flash file to meet the client' s important information to read only the North can not be allowed to download, copy and reproduction. The program is running when safe_mode the php.ini needs to be set to Off, the configuration information in accordance with phph documentation for On when in safe_mode setting safe_mode_exec_dir can to ensure the normal operation of the program, but I am not prepared successfully, to master can be self-study.
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Size: 1945600 |
Author: tony |
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Description: linux高级编程书籍，是专业程序员应该看的一本书，并有范例-linux high-level programming books, is a professional programmer should read a book, as well as examples of
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Size: 3510272 |
Author: 王辉 |
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Description: 用delphi 编写的读取word文件的源码-Use delphi to read word document, prepared by the source
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Size: 819200 |
Author: wmw |
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Description: USB HID 类页面表格，各表详细说明-USB HID TYPE USAGE TABLE ，PDF READ
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Size: 632832 |
Author: wxk |
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Description: This file will help to read a research paper.
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Size: 41984 |
Author: Asema |
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Description: opengl中如何利用MFC的教程，文件格式是pdf的！-how to use MFC in opengl tutorial, pdf file format is the!
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Size: 1253376 |
Author: 张健 |
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Description: KEIL C 编译，运行于STC 4052 的 TTL 转VGA 输出的转换工具程序， 特别制作的CHROTEL 的 类IIC 读写子程序， 有不同分辨率的参数表。-KEIL C compiler, running on the STC 4052 to VGA output TTL conversion tools procedures, in particular the production of the IIC class CHROTEL subroutine to read and write, there are different forms parameter resolution.
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Size: 758784 |
Author: 陈 洋 |
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Description: vb示例源码,读取和显示PDF文档的专用控件.
很有参考价值的PDF读取工具.-vb sample source code, read and display PDF documents of the special control. a good reference tool for PDF to read.
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Size: 230400 |
Author: HHH |
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Description: OLED DISPLAY MODULE
I m using a 160x128 Graphic OLED Display from Densitron (DD-160128FC-2A) with the ATmega1281. The LCD is controlled via a SEPS525 OLED Driver IC. I use the LCD in 8bit parallel mode.
Both the LCD and controller datasheet is VERY vague and I struggle to get the LCD to respond.
The OLED controller is configured via 3 registers, IR (Index), WDR (Write Data Register) & RDR (Read Data Register).
It is the first time I come across this register INDEXING method and can t find any examples or discussions on the control sequence.
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Size: 560128 |
Author: ren |
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Description: 单片机读写U盘方案 有uart和spi例程，调试软件。-U disk read and write single-chip program uart and spi routines, debugging software.
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Size: 1080320 |
Author: 肖凤 |
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Description: LKP也是一本不错的内核书籍，它讲述了x86和ppc两个平台上2.6的代码，而且每章后面都配有练习题。不妨去读一下。-LKP is also the core of a good book, it describes two x86 and ppc code 2.6 platform, and the back of each chapter are exercises with. You may wish to read.
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Size: 2677760 |
Author: llnux |
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