/*-------------------------------------------------------------------
	E_BLIND?--?embed?a?watermark?by?simply?adding?a?message?pattern

	Arguments:
		c?--?image?to?be?watermarked（changed?in?place）
		width?--?width?of?image
		height?--?height?of?image
		m?--?one-bit?message?to?embed
		alpha?--?embedding?strength
		wr?--?refrence?pattern（width*height?array?of?doubles）

	Return?value:
		none
--------------------------------------------------------------------*/

void?E_BLIND（?unsigned?char?*c?int?width?int?height
			??int?m?double?alpha?double?*wr?）
{
	static?double?wm[?MAX_IMG_SIZE?];??/*pattern?that?encodes?m*/
	
	/*Encode?the?massage?in?a?pattern*/
	ModulateOneBit（?m?wr?wm?width?heigth?）;
	
	/*Scale?and?add?pattern?to?image（with?clipping?and?rounding）*/
	AddScaledPattern（?c?width?height?alpha?wm?）;
}

/*-------------------------------------------------------------------
	D_LC?--?detect?watermarks?using?linear?correlation
??
	Arguments:
		c?--?image
		width?--?width?of?img
		height?--?height?of?img
		tlc?--?detection?threshold
		wr?--?reference?pattern（width?by?height?array?of?doubles）
	
	Return?value:
		decoded?message（0?or?1）?or?NO_WMK?if?no?watermark?is?found
--------------------------------------------------------------------*/

int?D_LC（?unsigned?char?*c?int?width?int?height
		??double?tlc?double?*wr?）
{
	double?lc;??/*linear?correlation*/
	int?m;??????/*decoded?message（or?NO_WMK）
	
	/*Find?the?linear?correlation?between?the?image?and?the?reference?pattern?*/
	lc?=?ImgPatInnerProduct（?c?wr?width?height?）?/?（?width?*?height?）;
	
	/*Decode?the?massage*/
	if（?lc?>?tlc?）
		m?=?1;
	else?if（lc?		m?=?0;
	else
		m?=?NO_WMK;;
	
	return?m;
}

/*-------------------------------------------------------------------------
	ModulateOneBit?--?encode?a?1-bit?message?by?either?copying?or?negating
					??a?given?reference?pattern
	Arguments:
		m?--?message?to?be?encoded
		wr?--?reference?pattern
		wm?--?where?to?store?resulting?message?pattern
		width?--?width?of?wm
		height?--?height?of?wm
	
	Return?value:
		none
--------------------------------------------------------------------------*/
void?ModulateOneBit（?int?m?double?*wr?double?*wm
					?int?width?int?height?）
{
	int?i;	/*index?into?patterns*/

	if（?m?==?0?）
		for（?i?=?0;?i?			wm[?i?]?=?-wr[?i?];
	else
		for（?i?=?0;?i?			wm[?i?]?=?wr[?i?];		
}

/*----------------------------------------------------------------------------
	AddScaledPattern?--?scale?and?add?a?pattern?to?an?image?with?clipping
						and?rounding
	
	This?multiplies?w?by?alpha?to?obtain?the?added?pattern?and?adds?it?to?the
	image?clipping?and?rounding?each?pixel?to?an?8-bit?integer.
	
	Arguments:
		c?--?imge?to?which?to?add?pattern（changed?in?place）
		width?--?width?of?image
		height?--?height?of?image
		alpha?--?scaling?factor_
		w?--?pattern?to?scace?a

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

?????文件???????4588??2017-05-05?20:05??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）\C1?E_BLIND?&?D_LC.c

?????文件??????12980??2017-05-05?10:33??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）\C10?E_LATTICE?&?D_LATTICE.c

?????文件???????5918??2017-05-03?22:34??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）\C11?E_BLIND_D_WHITE.cpp

?????文件???????1943??2017-05-03?22:21??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）\C12?E_BLK_BLIND_D_WHITE_BLK_CC.cpp

?????文件??????15262??2017-05-05?17:08??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）\C13?E_PERC_GSGALE_D_LC.cpp

?????文件???????5035??2017-05-05?17:08??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）\C14?E_PERC_SHAPE_LC.cpp

?????文件???????2532??2017-05-05?17:07??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）\C15?E_PERC_OPT_D_LC.cpp

?????文件????????937??2017-05-07?11:21??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）\C16?E_MOD?&?D_LC.cpp

?????文件??????18780??2017-05-07?11:29??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）\C17?E_DCTQ?&?D_DCTQ.cpp

?????文件???????7069??2017-05-07?11:31??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）\C18?E_SFSIG?&?D_SFSIG.cpp

?????文件???????4456??2017-05-07?11:31??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）\C19?E_PXL?&?D_PXL.cpp

?????文件???????2372??2017-05-07?15:06??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）\C2?E_FIXED_LC?&??D_LC.c

?????文件??????13110??2017-05-05?20:11??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）\C3?E_BLK_BLIND?&?D_BLK_CC.c

?????文件???????7498??2017-05-05?20:11??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）\C4?E_SIMPLE_8?&?D_SIMPLE_8.c

?????文件???????8301??2017-05-05?20:11??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）\C5?E_TRELLIS_8?&?D_TRELLIS_8.c

?????文件???????2416??2017-05-03?20:18??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）\C6?E_BLK_8?&?D_BLK_8.c

?????文件???????5255??2017-05-04?20:34??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）\C7?E_BLK_FIXED_CC?&?D_BLK_CC.c

?????文件???????4759??2017-05-03?21:50??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）\C8?E_BLK_FIXED_R?&?D_BLK_CC.c

?????文件???????5501??2017-05-04?20:40??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）\C9?E_DIRTY_PAPER?&?D_DIRTY_PAPER.c

?????文件??????38064??2018-04-19?21:32??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）\數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）.rar

?????目錄??????????0??2018-04-22?18:20??數(shù)字水印書(shū)本源碼（Source?code?for?digital?watermarking?book）

-----------?---------??----------?-----??----

???????????????166776????????????????????21