From: paul <paul@plutz.net>
Date: Sat, 29 Oct 2011 22:28:25 +0000 (+0000)
Subject: empirical tweaks to emc algorithm
X-Git-Url: http://git.plutz.net/?p=stereofy;a=commitdiff_plain;h=d756f57d5612c2fa4b6fff7db9af57ffbaef59cc

empirical tweaks to emc algorithm

svn path=/trunk/; revision=4
---

diff --git a/anaglyph.c b/anaglyph.c
index 4aa84ff..1ade952 100644
--- a/anaglyph.c
+++ b/anaglyph.c
@@ -100,11 +100,11 @@ unsigned char* half_rc(unsigned char *out, const unsigned char *l, const unsigne
 
 //red-cyan Dubois
 unsigned char* dubois_rc(unsigned char *out, const unsigned char *l, const unsigned char *r){
-  out[0] = (unsigned char)mm((456*(int)l[0] +  500*(int)l[1] + 176*(int)l[2] +
+  out[0] = (unsigned char) mm((456*(int)l[0] +  500*(int)l[1] + 176*(int)l[2] +
         -43*(int)r[0] + -88*(int)r[1] +   -2*(int)r[2]) / 1000, 0, 255);
-  out[1] = (unsigned char)mm((-40*(int)l[0] +  -38*(int)l[1] + -16*(int)l[2] +
+  out[1] = (unsigned char) mm((-40*(int)l[0] +  -38*(int)l[1] + -16*(int)l[2] +
         378*(int)r[0] + 734*(int)r[1] +  -18*(int)r[2]) / 1000, 0, 255);
-  out[2] = (unsigned char)mm((-15*(int)l[0] +  -21*(int)l[1] +  -5*(int)l[2] +
+  out[2] = (unsigned char) mm((-15*(int)l[0] +  -21*(int)l[1] +  -5*(int)l[2] +
 	-72*(int)r[0] +-113*(int)r[1] + 1226*(int)r[2]) / 1000, 0, 255);
   return out;
 }
@@ -117,19 +117,14 @@ unsigned char* full_mc(unsigned char *out, const unsigned char *l, const unsigne
   return out;
 }
 
-//magenta-cyan "Dubois"
-unsigned char* dubois_mc(unsigned char *out, const unsigned char *l, const unsigned char *r){
-  out[0] = (unsigned char)mm((529*(int)l[0] + 705*(int)l[1] + 24*(int)l[2] +
-        -62*(int)r[0] +-158*(int)r[1] +  -39*(int)r[2]) / 1000, 0, 255);
-  out[1] = (unsigned char)mm((-40*(int)l[0] +  -38*(int)l[1] + -16*(int)l[2] +
-        378*(int)r[0] + 734*(int)r[1] +  -18*(int)r[2]) / 1000, 0, 255);
-  out[2] = (unsigned char)mm((-15*(int)l[0] +  -24*(int)l[1] +   8*(int)l[2] +
-	-32*(int)r[0] + -19*(int)r[1] + 1081*(int)r[2]) / 1000, 0, 255);
-
-//  out[2] = (unsigned char)mm((-15*(int)l[0] +  -27*(int)l[1] +  21*(int)l[2] + gm
-//	  9*(int)r[0] +  75*(int)r[1] +  937*(int)r[2]) / 1000, 0, 255);
-//  out[2] = (unsigned char)mm((-15*(int)l[0] +  -21*(int)l[1] +  -5*(int)l[2] + rc
-//	-72*(int)r[0] +-113*(int)r[1] + 1226*(int)r[2]) / 1000, 0, 255);
+//magenta-cyan experimental
+unsigned char* experimental_mc(unsigned char *out, const unsigned char *l, const unsigned char *r){
+  out[0] = (unsigned char) mm((556*(int)l[0] +  400*(int)l[1] + 176*(int)l[2] +
+        -43*(int)r[0] + -88*(int)r[1] +   -2*(int)r[2]) / 950, 0, 255);
+  out[1] = (unsigned char) mm((-40*(int)l[0] +  -38*(int)l[1] + -16*(int)l[2] +
+        278*(int)r[0] + 734*(int)r[1] +  -18*(int)r[2]) / 1100, 0, 255);
+  out[2] = (unsigned char) mm((-15*(int)l[0] +  -21*(int)l[1] + 600*(int)l[2] +
+	-72*(int)r[0] +-113*(int)r[1] + 621*(int)r[2]) / 950, 0, 255);
   return out;
 }
 
@@ -154,8 +149,8 @@ unsigned char* (*parse_func(const char *arg))(unsigned char*, const unsigned cha
   if (!strcmp(arg, "-drc")) return &dubois_rc;
 
   if (!strcmp(arg, "-fmc")) return &full_mc;
-  if (!strcmp(arg, "-dmc")) return &dubois_mc;
   if (!strcmp(arg, "-dab")) return &dubois_ab;
+  if (!strcmp(arg, "-emc")) return &experimental_mc;
   exit(error(1)); return &dubois_rc;
 }
 
diff --git a/stereofy.sh b/stereofy.sh
index 919c2a8..d3f4763 100755
--- a/stereofy.sh
+++ b/stereofy.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 algo="d"   #algorythm, Dubois by default
-model="gm" #color model, green-magenta by default
+model="rc" #color model, green-magenta by default
 param=""   #leave blank, will be -$algo$model
 left=''
 right=''
@@ -9,22 +9,15 @@ stereo=''
 
 while [ -n "$1" ]; do
   case "$1" in
-    -d|--dubois]) algo="d"
-	;;
-    -f|--full|--full-color]) algo="f"
-	;;
-    -h|--half|--half-color]) algo="d"
-	;;
-    -rc|--rc|--red-cyan) model="rc"
-	;;
-    -mc|--mc|--magenta-cyan) model="mc"
-	;;
-    -gm|--gm|--green-magenta) model="gm"
-	;;
-    -ab|--ab|--amber-blue|yellow-blue) model="ab"
-	;;
-    -[dfh]rc|-[dfh]gm|-[fd]mc|-dab) param="$1"
-	;;
+    -d|--dubois) algo="d";;
+    -f|--full|--full-color) algo="f";;
+    -h|--half|--half-color) algo="d";;
+    -rc|--rc|--red-cyan) model="rc";;
+    -mc|--mc|--magenta-cyan) model="mc";;
+    -gm|--gm|--green-magenta) model="gm";;
+    -ab|--ab|--amber-blue|yellow-blue) model="ab";;
+    -[dfh]rc|-[dfh]gm|-[fe]mc|-dab) param="$1";;
+    -*) echo "no such color model" >/dev/stderr; exit 1;;
     *)  if [ -z "$left" ]; then
 	  left="$1"
 	elif [ -z "$right" ]; then