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    發(fā)布日期: 2023-06-18
  • 語言: 其他
  • 標(biāo)簽: JPEG??BMP??

資源簡(jiǎn)介

有關(guān)圖像jpeg壓縮算法介紹及其源碼 壓縮包的內(nèi)容包括:1.有關(guān)JPEG和DPCM算法的文章;2.實(shí)現(xiàn)其算法的壓縮程序3.有關(guān)圖像壓縮方面的資料。讀者請(qǐng)注意: 這里討論的是灰度圖像的壓縮不涉及彩色圖像。 實(shí)現(xiàn)壓縮時(shí),輸入的圖像數(shù)據(jù)采用一種自定義的格式(com 格式),前四個(gè)字節(jié)記錄圖像的寬度和高度,之后就是逐 行的圖像數(shù)據(jù),圖像的開頭和結(jié)尾沒有任何標(biāo)記。這種格式的圖像數(shù)據(jù)是從BMP圖像中得到的。 這里沒有JPEG算法的解壓程序,壓縮后的數(shù)據(jù)存成標(biāo)準(zhǔn)的JPEG文件格式,任何視圖軟件都可以打開。DPCM方法中的解 壓縮程序?qū)?shù)據(jù)仍然存成com格式,可以將其轉(zhuǎn)成PGM格式觀看,壓縮包中由com轉(zhuǎn)為PGM格式的程序。 所有的C程序均是在Linux(Rethat7.3)下完成。

資源截圖

代碼片段和文件信息

/*?ansi2knr.c?*/
/*?Convert?ANSI?C?function?definitions?to?K&R?(“traditional?C“)?syntax?*/

/*
ansi2knr?is?distributed?in?the?hope?that?it?will?be?useful?but?WITHOUT?ANY
WARRANTY.??No?author?or?distributor?accepts?responsibility?to?anyone?for?the
consequences?of?using?it?or?for?whether?it?serves?any?particular?purpose?or
works?at?all?unless?he?says?so?in?writing.??Refer?to?the?GNU?General?Public
License?(the?“GPL“)?for?full?details.

Everyone?is?granted?permission?to?copy?modify?and?redistribute?ansi2knr
but?only?under?the?conditions?described?in?the?GPL.??A?copy?of?this?license
is?supposed?to?have?been?given?to?you?along?with?ansi2knr?so?you?can?know
your?rights?and?responsibilities.??It?should?be?in?a?file?named?COPYLEFT.
[In?the?IJG?distribution?the?GPL?appears?below?not?in?a?separate?file.]
Among?other?things?the?copyright?notice?and?this?notice?must?be?preserved
on?all?copies.

We?explicitly?state?here?what?we?believe?is?already?implied?by?the?GPL:?if
the?ansi2knr?program?is?distributed?as?a?separate?set?of?sources?and?a
separate?executable?file?which?are?aggregated?on?a?storage?medium?together
with?another?program?this?in?itself?does?not?bring?the?other?program?under
the?GPL?nor?does?the?mere?fact?that?such?a?program?or?the?procedures?for
constructing?it?invoke?the?ansi2knr?executable?bring?any?other?part?of?the
program?under?the?GPL.
*/

/*
----------?Here?is?the?GNU?GPL?file?COPYLEFT?referred?to?above?----------
-----?These?terms?do?NOT?apply?to?the?JPEG?software?itself;?see?README?------

????GHOSTscript?GENERAL?PUBLIC?LICENSE
????(Clarified?11?Feb?1988)

?Copyright?(C)?1988?Richard?M.?Stallman
?Everyone?is?permitted?to?copy?and?distribute?verbatim?copies?of?this
?license?but?changing?it?is?not?allowed.??You?can?also?use?this?wording
?to?make?the?terms?for?other?programs.

??The?license?agreements?of?most?software?companies?keep?you?at?the
mercy?of?those?companies.??By?contrast?our?general?public?license?is
intended?to?give?everyone?the?right?to?share?Ghostscript.??To?make?sure
that?you?get?the?rights?we?want?you?to?have?we?need?to?make
restrictions?that?forbid?anyone?to?deny?you?these?rights?or?to?ask?you
to?surrender?the?rights.??Hence?this?license?agreement.

??Specifically?we?want?to?make?sure?that?you?have?the?right?to?give
away?copies?of?Ghostscript?that?you?receive?source?code?or?else?can?get
it?if?you?want?it?that?you?can?change?Ghostscript?or?use?pieces?of?it
in?new?free?programs?and?that?you?know?you?can?do?these?things.

??To?make?sure?that?everyone?has?such?rights?we?have?to?forbid?you?to
deprive?anyone?else?of?these?rights.??For?example?if?you?distribute
copies?of?Ghostscript?you?must?give?the?recipients?all?the?rights?that
you?have.??You?must?make?sure?that?they?too?receive?or?can?get?the
source?code.??And?you?must?tell?them?their?rights.

??Also?for?our?own?protection?we?must?make?certain?that?everyone?finds
out?that?there?is?no?warranty?

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????1133??2003-07-11?16:38??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\readme.txt

?????文件????2150806??2003-07-11?12:35??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\Thesis.pdf

?????文件????1171588??2003-04-22?18:27??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\arithmetic\ibmrd2302G.pdf

?????文件????1558833??2003-04-08?17:08??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\arithmetic\ibmrd2802C.pdf

?????文件????1233977??2003-04-22?18:24??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\arithmetic\ibmrd3206Cqe.pdf

?????文件????1819617??2003-04-22?18:25??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\arithmetic\ibmrd3206Eprediction.pdf

?????文件??????60943??2003-07-11?16:21??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\arithmetic\jpeg-ari.zip

?????文件????1217180??2003-04-20?11:22??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\arithmetic\Langdon1.pdf

?????文件????2220059??2003-04-08?19:30??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\arithmetic\LangdonRi3.pdf

?????文件?????808895??2003-04-09?22:09??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\arithmetic\LangdonRIssanen.pdf

?????文件?????337391??2003-04-08?19:15??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\arithmetic\LangdonRissanen2.pdf

?????文件????1111451??2002-08-23?21:24??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\jpeg\itu-t81.pdf

?????文件?????763536??2003-07-11?16:21??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\jpeg\jpegsr6.zip

?????文件?????196359??2002-08-14?10:45??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\jpeg\wallace.pdf

?????文件??????20330??1998-03-27?18:35??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\jpeg\jpegsr6\jpeg-6b\README

?????文件??????52991??1998-03-22?20:42??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\jpeg\jpegsr6\jpeg-6b\install.doc

?????文件??????27733??1998-03-20?20:34??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\jpeg\jpegsr6\jpeg-6b\usage.doc

?????文件??????10418??1998-03-20?20:29??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\jpeg\jpegsr6\jpeg-6b\cjpeg.1

?????文件???????7669??1997-08-22?22:28??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\jpeg\jpegsr6\jpeg-6b\djpeg.1

?????文件???????7700??1997-08-03?16:01??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\jpeg\jpegsr6\jpeg-6b\jpegtran.1

?????文件???????1615??1997-10-11?18:46??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\jpeg\jpegsr6\jpeg-6b\rdjpgcom.1

?????文件???????2730??1995-06-15?20:14??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\jpeg\jpegsr6\jpeg-6b\wrjpgcom.1

?????文件???????9970??1995-11-15?11:30??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\jpeg\jpegsr6\jpeg-6b\wizard.doc

?????文件??????17524??1996-01-06?18:23??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\jpeg\jpegsr6\jpeg-6b\example.c

?????文件?????162344??1998-02-21?16:08??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\jpeg\jpegsr6\jpeg-6b\libjpeg.doc

?????文件??????52844??1995-11-21?12:00??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\jpeg\jpegsr6\jpeg-6b\structure.doc

?????文件???????5482??1996-01-06?17:37??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\jpeg\jpegsr6\jpeg-6b\coderules.doc

?????文件???????8578??1998-03-15?13:57??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\jpeg\jpegsr6\jpeg-6b\filelist.doc

?????文件???????9501??1998-03-27?18:35??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\jpeg\jpegsr6\jpeg-6b\change.log

?????文件??????62320??1998-03-21?14:08??有關(guān)圖像jpeg壓縮算法介紹及其源碼\image_compresion_by_sfj\reference\jpeg\jpegsr6\jpeg-6b\configure

............此處省略221個(gè)文件信息

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