Archived posting to the Leica Users Group, 1998/06/24
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Yes, "electronic watermarks" or digital signatures can be added to digital images. Search the web for steganography. Glenn Waterfield >How can one protect copyright with an original digital image, Or >should I say how can a photographer prove that the Image is his when >there is no negative. Or should I say that a second generation copy >must be identical in all respects to the original. So whose is it, and >how can it be proved. Maybe the S2 will innovate an electronic >watermark. ???? > >Alan Hull begin 600 WINMAIL.DAT M>)\^(BX5`0:0" `$```````!``$``0>0!@`(````Y 0```````#H``$(@ <` M& ```$E032Y-:6-R;W-O9G0@36%I;"Y.;W1E`#$(`0V ! `"`````@`"``$$ MD 8`$ (```$````0`````P``, (````+``\.``````(!_P\!````80`````` M``"!*Q^DOJ,0&9UN`-T!#U0"`````&QE:6-A+75S97)S0&UE:F%C+G!A;&\M M86QT;RYC82YU<P!33510`&QE:6-A+75S97)S0&UE:F%C+G!A;&\M86QT;RYC M82YU<P`````>``(P`0````4```!33510`````!X``S !````(@```&QE:6-A M+75S97)S0&UE:F%C+G!A;&\M86QT;RYC82YU<P````,`%0P!`````P#^#P8` M```>``$P`0```"0````G;&5I8V$M=7-E<G- ;65J86,N<&%L;RUA;'1O+F-A M+G5S)P`"`0LP`0```"<```!33510.DQ%24-!+55315)30$U%2D%#+E!!3$\M M04Q43RY#02Y54P```P``.0`````+`$ Z`0```!X`]E\!````(@```&QE:6-A M+75S97)S0&UE:F%C+G!A;&\M86QT;RYC82YU<P````(!]U\!````80`````` M``"!*Q^DOJ,0&9UN`-T!#U0"`````&QE:6-A+75S97)S0&UE:F%C+G!A;&\M M86QT;RYC82YU<P!33510`&QE:6-A+75S97)S0&UE:F%C+G!A;&\M86QT;RYC M82YU<P`````#`/U?`0````,`_U\``````@'V#P$````$`````````DE\`02 M`0`5````4D4Z(%M,96EC85T@3&5I8V$@4S$`*08!!8 #``X```#.!P8`& `0 M`!4`* `#`$,!`2" `P`.````S@<&`!@`$ `/``,``P`8`0$)@ $`(0```$-% M-C0R,$)$-T0P0D0R,3%"-C)#-#0T-34S-30P,# P`.X&`0.0!@!(!0``(@`` M``L``@`!````"P`C```````#`"8```````L`*0```````P`N```````#`#8` M`````$ `.0# >$@4MI^]`1X`< `!````%0```%)%.B!;3&5I8V%=($QE:6-A M(%,Q``````(!<0`!````%@````&]G[82KKT@9,\+?1'2MBQ$15-4`````!X` M'@P!````!0```%--5% `````'@`?# $````8````9W=A=&5R9FE 965C<RYU M:V%N<RYE9'4``P`&$%7+B1X#``<0DP$``!X`"! !````90```%E%4RPB14Q% M0U123TY)0U=!5$5234%22U,B3U)$24=)5$%,4TE'3D%455)%4T-!3D)%041$ M14143T1)1TE404Q)34%'15-314%20TA42$5714)&3U)35$5'04Y/1U)!4$A9 M1TP``````@$)$ $````8`@``% (``%4#``!,6D9U&.>$J0,`"@!R8W!G,3(U M%C(`^ M@;@X0,#,SG0'W( *D`^,"`&-H"L!@<V5T," '$P* ?3D*@75C`% + M`PNU(%E!!Y L(")E; 60=(,#8 ,`8R!W870$D$$`P')K<R(@!;%D.&EG:0&0 M`R `D&=N%Q1@"' 'D6,#D6)E((1A9 $`9"!T;Q4WZ0=P86<'D"X*H@J !E$7 M"L 0\!<P:!; =V5B5B "$ 7 <Q1P9P!P;\$)P&%P:'DN"N,*A%4*@$<3L&X# MH%<48F;]")!L"S$;%@LQ`V 4<!/0%QKV'8018#X=9B!(;S\'X!9R`B 6P!\& M!:!P>?D%$&=H!4 #\!E %M ?X1\A`0N %9$7>Q-P($]R,QWO'O=S: A@') @ M2;$5L&%Y("5 'Z1A(##?)4 70!IS!) @,G86P!E NQ1@&3-)& (7X 0@:"C! M_G<94 N0(Z\?!AE!"7 HLN<:4"N0&B%T:2>@&M C8=\E+"?3)H 1, 6@;A<@ M&"!_(! :@"P0`B @LRE_'O=M]G4:`!:B:0$``C -X!?"[29A; ,@%C%P$\$$ M(!=!MQE"(>8L45,74"DP;Q$P_RBR%7 3< !P'*<OWR7W%7#K%J(G<V0L44TE MT!:Q&4*\4S(A43)1"X :4'848;\AHA.H-6\>]Q17&M _/4'W.O\=;SN/00\! M'W E8 E0"QL)$?$`0D #`! 0``````,`$1 `````'@!"$ $````!```````` M``,`@!#_____0 `',(""A2>UG[T!0 `(,(""A2>UG[T!"P``@ @@!@`````` MP ```````$8``````X4````````#``* "" &``````# ````````1@`````0 MA0````````,`!8 (( 8``````, ```````!&`````%*%``!T$ ``'@`E@ @@ M!@``````P ```````$8`````5(4```$````%````."XP,@`````#`": "" & M``````# ````````1@`````!A0````````L`+X (( 8``````, ```````!& M``````Z%`````````P`P@ @@!@``````P ```````$8`````$84````````# M`#* "" &``````# ````````1@`````8A0```````!X`08 (( 8``````, ` M``````!&`````#:%```!`````0`````````>`$* "" &``````# ```````` M1@`````WA0```0````$`````````'@!#@ @@!@``````P ```````$8````` M.(4```$````!`````````!X`/0`!````!0```%)%.B ``````P`--/TW``"+ !$84` ` end