??xml version="1.0" encoding="utf-8" standalone="yes"?>久久久久免费精品国产,精品国际久久久久999波多野,久久青青草原精品国产软件http://www.shnenglu.com/windcsn/category/2429.html天才Z勤奋-Ƣ迎讉KBenBen的BLOGzh-cnTue, 23 Feb 2010 04:11:55 GMTTue, 23 Feb 2010 04:11:55 GMT60Z么, IntelZ么?-x264日记解读http://www.shnenglu.com/windcsn/archive/2010/02/22/108260.htmlW笨W笨Mon, 22 Feb 2010 15:49:00 GMThttp://www.shnenglu.com/windcsn/archive/2010/02/22/108260.htmlhttp://www.shnenglu.com/windcsn/comments/108260.htmlhttp://www.shnenglu.com/windcsn/archive/2010/02/22/108260.html#Feedback0http://www.shnenglu.com/windcsn/comments/commentRss/108260.htmlhttp://www.shnenglu.com/windcsn/services/trackbacks/108260.html阅读全文

W笨 2010-02-22 23:49 发表评论
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数组溢出-x264日记译http://www.shnenglu.com/windcsn/archive/2010/02/22/108258.htmlW笨W笨Mon, 22 Feb 2010 15:34:00 GMThttp://www.shnenglu.com/windcsn/archive/2010/02/22/108258.htmlhttp://www.shnenglu.com/windcsn/comments/108258.htmlhttp://www.shnenglu.com/windcsn/archive/2010/02/22/108258.html#Feedback0http://www.shnenglu.com/windcsn/comments/commentRss/108258.htmlhttp://www.shnenglu.com/windcsn/services/trackbacks/108258.html阅读全文

W笨 2010-02-22 23:34 发表评论
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关于《新一代视频压~编码标准-H264/AVC》的几处错误http://www.shnenglu.com/windcsn/archive/2009/06/09/87148.htmlW笨W笨Tue, 09 Jun 2009 02:30:00 GMThttp://www.shnenglu.com/windcsn/archive/2009/06/09/87148.htmlhttp://www.shnenglu.com/windcsn/comments/87148.htmlhttp://www.shnenglu.com/windcsn/archive/2009/06/09/87148.html#Feedback2http://www.shnenglu.com/windcsn/comments/commentRss/87148.htmlhttp://www.shnenglu.com/windcsn/services/trackbacks/87148.html阅读全文

W笨 2009-06-09 10:30 发表评论
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Data structures during JPEG compressing processhttp://www.shnenglu.com/windcsn/archive/2008/03/20/44923.htmlW笨W笨Thu, 20 Mar 2008 03:22:00 GMThttp://www.shnenglu.com/windcsn/archive/2008/03/20/44923.htmlhttp://www.shnenglu.com/windcsn/comments/44923.htmlhttp://www.shnenglu.com/windcsn/archive/2008/03/20/44923.html#Feedback0http://www.shnenglu.com/windcsn/comments/commentRss/44923.htmlhttp://www.shnenglu.com/windcsn/services/trackbacks/44923.html阅读全文

W笨 2008-03-20 11:22 发表评论
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JPEG2000中如何计失真的Q?/title><link>http://www.shnenglu.com/windcsn/archive/2007/06/25/26904.html</link><dc:creator>W笨</dc:creator><author>W笨</author><pubDate>Mon, 25 Jun 2007 06:47:00 GMT</pubDate><guid>http://www.shnenglu.com/windcsn/archive/2007/06/25/26904.html</guid><wfw:comment>http://www.shnenglu.com/windcsn/comments/26904.html</wfw:comment><comments>http://www.shnenglu.com/windcsn/archive/2007/06/25/26904.html#Feedback</comments><slash:comments>3</slash:comments><wfw:commentRss>http://www.shnenglu.com/windcsn/comments/commentRss/26904.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/windcsn/services/trackbacks/26904.html</trackback:ping><description><![CDATA[     摘要: 本文详细的描qCJPEG2000如何计算q的过E。从最基本的概念开始,例如能量、k-max、wmse开始一直到显著~码q程和量值改q过E的查找表ts和tm的计,都作了细致的介绍?<br>本文通过几个例子来让问题描述的更单。是JPEG2000图象压羃基础、标准和实践的很好补充和ȝ?nbsp; <a href='http://www.shnenglu.com/windcsn/archive/2007/06/25/26904.html'>阅读全文</a><img src ="http://www.shnenglu.com/windcsn/aggbug/26904.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/windcsn/" target="_blank">W笨</a> 2007-06-25 14:47 <a href="http://www.shnenglu.com/windcsn/archive/2007/06/25/26904.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>MQ~码?/title><link>http://www.shnenglu.com/windcsn/archive/2007/04/14/21887.html</link><dc:creator>W笨</dc:creator><author>W笨</author><pubDate>Sat, 14 Apr 2007 13:33:00 GMT</pubDate><guid>http://www.shnenglu.com/windcsn/archive/2007/04/14/21887.html</guid><wfw:comment>http://www.shnenglu.com/windcsn/comments/21887.html</wfw:comment><comments>http://www.shnenglu.com/windcsn/archive/2007/04/14/21887.html#Feedback</comments><slash:comments>4</slash:comments><wfw:commentRss>http://www.shnenglu.com/windcsn/comments/commentRss/21887.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/windcsn/services/trackbacks/21887.html</trackback:ping><description><![CDATA[     摘要: MQ~码器的基本原理Q描qC与QM~码器的不同之处。有MQ~码器的代码下蝲?nbsp; <a href='http://www.shnenglu.com/windcsn/archive/2007/04/14/21887.html'>阅读全文</a><img src ="http://www.shnenglu.com/windcsn/aggbug/21887.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/windcsn/" target="_blank">W笨</a> 2007-04-14 21:33 <a href="http://www.shnenglu.com/windcsn/archive/2007/04/14/21887.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>JPEG2000和HD法的比?/title><link>http://www.shnenglu.com/windcsn/archive/2007/04/09/21530.html</link><dc:creator>W笨</dc:creator><author>W笨</author><pubDate>Mon, 09 Apr 2007 06:45:00 GMT</pubDate><guid>http://www.shnenglu.com/windcsn/archive/2007/04/09/21530.html</guid><wfw:comment>http://www.shnenglu.com/windcsn/comments/21530.html</wfw:comment><comments>http://www.shnenglu.com/windcsn/archive/2007/04/09/21530.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.shnenglu.com/windcsn/comments/commentRss/21530.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/windcsn/services/trackbacks/21530.html</trackback:ping><description><![CDATA[     摘要: 本文从HD和JPEG2000的原理出发分析两个问题: <br>1。ؓ什么在低压~比的时候HD的图象看h比JPEG2000要好 <br>2。ؓ什么在高压~比的情况下JPEG2000的质量要比HD好?<br> <br>q也为大家了解HD和JPEG2000优缺Ҏ(gu)供了一个机会。另外本文也从另一个角度说明了QHDq不象微软所说的那么强?nbsp; <a href='http://www.shnenglu.com/windcsn/archive/2007/04/09/21530.html'>阅读全文</a><img src ="http://www.shnenglu.com/windcsn/aggbug/21530.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/windcsn/" target="_blank">W笨</a> 2007-04-09 14:45 <a href="http://www.shnenglu.com/windcsn/archive/2007/04/09/21530.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>HD Photo其中DCQLOWPASSQHIGHPASS是如何定义的Q?/title><link>http://www.shnenglu.com/windcsn/archive/2007/04/03/21167.html</link><dc:creator>W笨</dc:creator><author>W笨</author><pubDate>Tue, 03 Apr 2007 06:07:00 GMT</pubDate><guid>http://www.shnenglu.com/windcsn/archive/2007/04/03/21167.html</guid><wfw:comment>http://www.shnenglu.com/windcsn/comments/21167.html</wfw:comment><comments>http://www.shnenglu.com/windcsn/archive/2007/04/03/21167.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/windcsn/comments/commentRss/21167.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/windcsn/services/trackbacks/21167.html</trackback:ping><description><![CDATA[     摘要: 我在阅读HD Photo的文是发现了他重要概念是QDCQLOWPASSQHIGHPASSQ但我却始终找不到它对这些概늚明确的定义;于是我只有翻开代码一行行的看Q终于我明白了这些概念,q里拿来与大家共享。希望有兴趣的朋友一LI讨论?<br>  <a href='http://www.shnenglu.com/windcsn/archive/2007/04/03/21167.html'>阅读全文</a><img src ="http://www.shnenglu.com/windcsn/aggbug/21167.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/windcsn/" target="_blank">W笨</a> 2007-04-03 14:07 <a href="http://www.shnenglu.com/windcsn/archive/2007/04/03/21167.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>DWT(JPEG200LL变换)的提升步骤ؓ什么又?/2Q又?/2Q而能保证无损http://www.shnenglu.com/windcsn/archive/2007/03/22/20365.htmlW笨W笨Thu, 22 Mar 2007 08:08:00 GMThttp://www.shnenglu.com/windcsn/archive/2007/03/22/20365.htmlhttp://www.shnenglu.com/windcsn/comments/20365.htmlhttp://www.shnenglu.com/windcsn/archive/2007/03/22/20365.html#Feedback0http://www.shnenglu.com/windcsn/comments/commentRss/20365.htmlhttp://www.shnenglu.com/windcsn/services/trackbacks/20365.html阅读全文

W笨 2007-03-22 16:08 发表评论
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Hadamard变换http://www.shnenglu.com/windcsn/archive/2007/03/14/19814.htmlW笨W笨Wed, 14 Mar 2007 07:18:00 GMThttp://www.shnenglu.com/windcsn/archive/2007/03/14/19814.htmlhttp://www.shnenglu.com/windcsn/comments/19814.htmlhttp://www.shnenglu.com/windcsn/archive/2007/03/14/19814.html#Feedback0http://www.shnenglu.com/windcsn/comments/commentRss/19814.htmlhttp://www.shnenglu.com/windcsn/services/trackbacks/19814.html阅读全文

W笨 2007-03-14 15:18 发表评论
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HD压羃Ҏ(gu)概述http://www.shnenglu.com/windcsn/archive/2007/03/13/19775.htmlW笨W笨Tue, 13 Mar 2007 13:59:00 GMThttp://www.shnenglu.com/windcsn/archive/2007/03/13/19775.htmlhttp://www.shnenglu.com/windcsn/comments/19775.htmlhttp://www.shnenglu.com/windcsn/archive/2007/03/13/19775.html#Feedback0http://www.shnenglu.com/windcsn/comments/commentRss/19775.htmlhttp://www.shnenglu.com/windcsn/services/trackbacks/19775.html阅读全文

W笨 2007-03-13 21:59 发表评论
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什么是HD Photo?http://www.shnenglu.com/windcsn/archive/2007/03/13/19743.htmlW笨W笨Tue, 13 Mar 2007 06:56:00 GMThttp://www.shnenglu.com/windcsn/archive/2007/03/13/19743.htmlhttp://www.shnenglu.com/windcsn/comments/19743.htmlhttp://www.shnenglu.com/windcsn/archive/2007/03/13/19743.html#Feedback0http://www.shnenglu.com/windcsn/comments/commentRss/19743.htmlhttp://www.shnenglu.com/windcsn/services/trackbacks/19743.html阅读全文

W笨 2007-03-13 14:56 发表评论
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Microsoft打算使用HD Photo来代替JPEGhttp://www.shnenglu.com/windcsn/archive/2007/03/13/19718.htmlW笨W笨Tue, 13 Mar 2007 06:19:00 GMThttp://www.shnenglu.com/windcsn/archive/2007/03/13/19718.htmlhttp://www.shnenglu.com/windcsn/comments/19718.htmlhttp://www.shnenglu.com/windcsn/archive/2007/03/13/19718.html#Feedback5http://www.shnenglu.com/windcsn/comments/commentRss/19718.htmlhttp://www.shnenglu.com/windcsn/services/trackbacks/19718.html阅读全文

W笨 2007-03-13 14:19 发表评论
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《JPEG2000囑փ压羃基础、标准和实践》中两处错误http://www.shnenglu.com/windcsn/archive/2007/02/01/18262.htmlW笨W笨Thu, 01 Feb 2007 13:21:00 GMThttp://www.shnenglu.com/windcsn/archive/2007/02/01/18262.htmlhttp://www.shnenglu.com/windcsn/comments/18262.htmlhttp://www.shnenglu.com/windcsn/archive/2007/02/01/18262.html#Feedback0http://www.shnenglu.com/windcsn/comments/commentRss/18262.htmlhttp://www.shnenglu.com/windcsn/services/trackbacks/18262.html阅读全文

W笨 2007-02-01 21:21 发表评论
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JPEG2000如何q行码率和失真分配的Q?/title><link>http://www.shnenglu.com/windcsn/archive/2007/01/31/PCRD-OPT.html</link><dc:creator>W笨</dc:creator><author>W笨</author><pubDate>Wed, 31 Jan 2007 13:46:00 GMT</pubDate><guid>http://www.shnenglu.com/windcsn/archive/2007/01/31/PCRD-OPT.html</guid><wfw:comment>http://www.shnenglu.com/windcsn/comments/18237.html</wfw:comment><comments>http://www.shnenglu.com/windcsn/archive/2007/01/31/PCRD-OPT.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.shnenglu.com/windcsn/comments/commentRss/18237.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/windcsn/services/trackbacks/18237.html</trackback:ping><description><![CDATA[     摘要: JPEG2000中PRCD-OPT法是比较难以明白的部分之一Q这里主要涉及到q和长度的计算Q本文已l比较详l地描述了JPEG2000如何在整个编码过E分配码率而保证失真是最;当然q里对失真的计算q有一部分没有完全解释清楚Q有待于l箋说明?nbsp; <a href='http://www.shnenglu.com/windcsn/archive/2007/01/31/PCRD-OPT.html'>阅读全文</a><img src ="http://www.shnenglu.com/windcsn/aggbug/18237.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/windcsn/" target="_blank">W笨</a> 2007-01-31 21:46 <a href="http://www.shnenglu.com/windcsn/archive/2007/01/31/PCRD-OPT.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Kakadu中kd_compressed_statscȝ解释QJPEG2000一U实?/title><link>http://www.shnenglu.com/windcsn/archive/2007/01/29/JPEG2000-distortion.html</link><dc:creator>W笨</dc:creator><author>W笨</author><pubDate>Mon, 29 Jan 2007 07:55:00 GMT</pubDate><guid>http://www.shnenglu.com/windcsn/archive/2007/01/29/JPEG2000-distortion.html</guid><wfw:comment>http://www.shnenglu.com/windcsn/comments/18146.html</wfw:comment><comments>http://www.shnenglu.com/windcsn/archive/2007/01/29/JPEG2000-distortion.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/windcsn/comments/commentRss/18146.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/windcsn/services/trackbacks/18146.html</trackback:ping><description><![CDATA[     摘要: Kakadu中kd_compressed_stats主要负责处理码率分配和失真长度曲U上斜率的估计;作者解释了该类的数据成员和函数具体含义Qƈ在最后通过Debug来了解kd_compressed_stats是如何做C化分配码率和截断点的。欢q讨论?nbsp; <a href='http://www.shnenglu.com/windcsn/archive/2007/01/29/JPEG2000-distortion.html'>阅读全文</a><img src ="http://www.shnenglu.com/windcsn/aggbug/18146.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/windcsn/" target="_blank">W笨</a> 2007-01-29 15:55 <a href="http://www.shnenglu.com/windcsn/archive/2007/01/29/JPEG2000-distortion.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>一个真实图像的JPEG2000压羃q程 http://www.shnenglu.com/windcsn/archive/2007/01/27/18056.htmlW笨W笨Sat, 27 Jan 2007 13:32:00 GMThttp://www.shnenglu.com/windcsn/archive/2007/01/27/18056.htmlhttp://www.shnenglu.com/windcsn/comments/18056.htmlhttp://www.shnenglu.com/windcsn/archive/2007/01/27/18056.html#Feedback1http://www.shnenglu.com/windcsn/comments/commentRss/18056.htmlhttp://www.shnenglu.com/windcsn/services/trackbacks/18056.html阅读全文

W笨 2007-01-27 21:32 发表评论
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Kakadu中实现的JPEG2000量化和界定参?/title><link>http://www.shnenglu.com/windcsn/archive/2007/01/23/17904.html</link><dc:creator>W笨</dc:creator><author>W笨</author><pubDate>Tue, 23 Jan 2007 01:14:00 GMT</pubDate><guid>http://www.shnenglu.com/windcsn/archive/2007/01/23/17904.html</guid><wfw:comment>http://www.shnenglu.com/windcsn/comments/17904.html</wfw:comment><comments>http://www.shnenglu.com/windcsn/archive/2007/01/23/17904.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/windcsn/comments/commentRss/17904.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/windcsn/services/trackbacks/17904.html</trackback:ping><description><![CDATA[     摘要: 本文对Kakadu中实现的JPEG2000量化和界定参数进行概要描q。欢q指教和讨论?nbsp; <a href='http://www.shnenglu.com/windcsn/archive/2007/01/23/17904.html'>阅读全文</a><img src ="http://www.shnenglu.com/windcsn/aggbug/17904.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/windcsn/" target="_blank">W笨</a> 2007-01-23 09:14 <a href="http://www.shnenglu.com/windcsn/archive/2007/01/23/17904.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>JPEG2000中ؓ什么需要三个编码过E?http://www.shnenglu.com/windcsn/archive/2007/01/22/17883.htmlW笨W笨Mon, 22 Jan 2007 05:18:00 GMThttp://www.shnenglu.com/windcsn/archive/2007/01/22/17883.htmlhttp://www.shnenglu.com/windcsn/comments/17883.htmlhttp://www.shnenglu.com/windcsn/archive/2007/01/22/17883.html#Feedback0http://www.shnenglu.com/windcsn/comments/commentRss/17883.htmlhttp://www.shnenglu.com/windcsn/services/trackbacks/17883.html阅读全文

W笨 2007-01-22 13:18 发表评论
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JPEG2000中图像单元的定义http://www.shnenglu.com/windcsn/archive/2006/12/27/16919.htmlW笨W笨Wed, 27 Dec 2006 13:55:00 GMThttp://www.shnenglu.com/windcsn/archive/2006/12/27/16919.htmlhttp://www.shnenglu.com/windcsn/comments/16919.htmlhttp://www.shnenglu.com/windcsn/archive/2006/12/27/16919.html#Feedback2http://www.shnenglu.com/windcsn/comments/commentRss/16919.htmlhttp://www.shnenglu.com/windcsn/services/trackbacks/16919.html当然了解q些也是了解JPEG2000法的基,我想在以后的q程q详l描q编码和其他q程.
Ƣ迎有兴的朋友一赯论研I?  阅读全文

W笨 2006-12-27 21:55 发表评论
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QM~码器规则简单介l?/title><link>http://www.shnenglu.com/windcsn/archive/2006/08/12/11164.html</link><dc:creator>W笨</dc:creator><author>W笨</author><pubDate>Sat, 12 Aug 2006 15:41:00 GMT</pubDate><guid>http://www.shnenglu.com/windcsn/archive/2006/08/12/11164.html</guid><wfw:comment>http://www.shnenglu.com/windcsn/comments/11164.html</wfw:comment><comments>http://www.shnenglu.com/windcsn/archive/2006/08/12/11164.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.shnenglu.com/windcsn/comments/commentRss/11164.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/windcsn/services/trackbacks/11164.html</trackback:ping><description><![CDATA[     摘要: 本文是作者对QM~码器编码规则的理解之后的记录,可以说是l过多次阅读书和代码之后得出的ȝQ具体介lQM~码器在压羃原理一本书中?nbsp; <a href='http://www.shnenglu.com/windcsn/archive/2006/08/12/11164.html'>阅读全文</a><img src ="http://www.shnenglu.com/windcsn/aggbug/11164.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/windcsn/" target="_blank">W笨</a> 2006-08-12 23:41 <a href="http://www.shnenglu.com/windcsn/archive/2006/08/12/11164.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>几种压羃法原理介绍 http://www.shnenglu.com/windcsn/archive/2006/01/06/2476.htmlW笨W笨Fri, 06 Jan 2006 13:44:00 GMThttp://www.shnenglu.com/windcsn/archive/2006/01/06/2476.htmlhttp://www.shnenglu.com/windcsn/comments/2476.htmlhttp://www.shnenglu.com/windcsn/archive/2006/01/06/2476.html#Feedback7http://www.shnenglu.com/windcsn/comments/commentRss/2476.htmlhttp://www.shnenglu.com/windcsn/services/trackbacks/2476.html阅读全文

W笨 2006-01-06 21:44 发表评论
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Jasper库和JPEG60比较 http://www.shnenglu.com/windcsn/archive/2005/12/30/2284.htmlW笨W笨Fri, 30 Dec 2005 07:23:00 GMThttp://www.shnenglu.com/windcsn/archive/2005/12/30/2284.htmlhttp://www.shnenglu.com/windcsn/comments/2284.htmlhttp://www.shnenglu.com/windcsn/archive/2005/12/30/2284.html#Feedback0http://www.shnenglu.com/windcsn/comments/commentRss/2284.htmlhttp://www.shnenglu.com/windcsn/services/trackbacks/2284.html阅读全文

W笨 2005-12-30 15:23 发表评论
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Jasper-JPEG2000的实?1) http://www.shnenglu.com/windcsn/archive/2005/12/20/1893.htmlW笨W笨Tue, 20 Dec 2005 03:23:00 GMThttp://www.shnenglu.com/windcsn/archive/2005/12/20/1893.htmlhttp://www.shnenglu.com/windcsn/comments/1893.htmlhttp://www.shnenglu.com/windcsn/archive/2005/12/20/1893.html#Feedback2http://www.shnenglu.com/windcsn/comments/commentRss/1893.htmlhttp://www.shnenglu.com/windcsn/services/trackbacks/1893.html 1.   介绍

1.1. Jasper 的动?/span>

今天来多的计机软g使用数字图象Q因此处理数字数据的软g模块l常需要。几乎Q何处理图像数据的应用E序必须处理囑փ交互和倒入倒出的问题,也就是说Q必L一U用来在E序和外部移动数据的方式Q而且通常应用E序必须能够在显C备上使用适当的颜色和色调来着色一个图形(例如Q显C器和打印机Q?/font>

管囑փ的导入导出和着色是非常基本的功能,但ƈ不容易实现。通常一个图形以某编码模式来表示Q例?/span> JPEG-2000 JP2 ?/span> JPEG Q。由于编码格式常常十分复杂,囑փ数据的导入和导出是一个o人畏惧的工作。以_重现颜色和色调来着色一个图像要求某U颜色管理模式。不q的是,开发一个高效的色彩理引擎可能要求巨大的工作量?/span>

在寻找上面问题的解决Ҏ(gu)的同时导致了开?/span> Jasper 软g。下面将详细描述q个软g?/span>

1.2. 什么是 Jasper?

单的_ Jasper 是一个处理图像数据的软g工具包。Y件提供一个用来重现图像、容易操作图像数据的方式Q同样也导入和导出各U格式的数据Q例如: JPEG-2000 JP2 ?/span> JPEG ?/span> PNM ?/span> BMP ?/span> Sun Raster 文g?/span> PGX Q。导出函数自动的图形格式,删除必要的编码输入数据标识。对 ICC 色彩文g格式单色颜色理部分支持?/span>

Jasper 软g׃个库和几个应用程序组成。代码是?/span> C 语言来写的。选择q个语言的原因是因ؓ今天的计机q_寚wq泛的支持性。现在, Jasper 由大U?/span> 40K 行代码组成,管是用 C 来写的,?/span> Jasper 库能很容易的被整合到?/span> C++ 语言的程序中?/span>

2.   BUILD 软g

2.1. ?/span> VC ?/span> BUILD

使用 VC Q整?/span> BUILD q程是以 workspace 和工E文件ؓ驱动的。ؓ了方便,所有的用来 BUILD Jasper ?/span> workspace 和工E文仉提供了?/span>

Z BUILD 软gQ按照下面步骤来q行Q?/span>

1Q?/font>   如果必要的,安装 OpenGL ?/span> GLUT

q些库在 JIV 应用E序的时候需要?/span> Jasper 库本w和其他工程不需?/span> OpenGL ?/span> GLUT 库?/span>

2Q?/font>   q行 VC

3Q?/font>   打开 Jasper workspace 文g

Jasper workspace 文g叫做 jasper.dsw Q在 TOPDIR/SRC/MSVC 中?/span>

4Q?/font>   Build 代码

如果 BUILD 成功Q?/span> release ?/span> debug 版本?/span> Jasper 软g在 TOPDIR/SRC/MSVC/WIN32_RELEASE ?/span> TOPDIR/SRC/MSVC/WIN32_DEBUG 中?/span>



W笨 2005-12-20 11:23 发表评论
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