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|00000000| 00 11 49 6d 61 67 65 53 | 74 61 74 69 73 74 69 63 |..ImageS|tatistic|
|00000010| 73 2e 63 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |s.c.....|........|
|00000020| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000030| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000040| 00 54 45 58 54 4d 4d 43 | 43 00 00 00 00 00 00 00 |.TEXTMMC|C.......|
|00000050| 00 00 00 00 00 07 43 00 | 00 01 7e aa d5 0d df aa |......C.|..~.....|
|00000060| d5 0d df 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000070| 00 00 00 00 00 00 00 00 | 00 00 81 81 69 8b 00 00 |........|....i...|
|00000080| 2f 2a 0d 49 6d 61 67 65 | 53 74 61 74 69 73 74 69 |/*.Image|Statisti|
|00000090| 63 73 2e 63 0d 0d 49 6d | 61 67 65 53 74 61 74 69 |cs.c..Im|ageStati|
|000000a0| 73 74 69 63 73 20 72 65 | 74 75 72 6e 73 20 6d 69 |stics re|turns mi|
|000000b0| 6e 2c 20 6d 61 78 2c 20 | 6d 65 61 6e 2c 20 61 6e |n, max, |mean, an|
|000000c0| 64 20 6d 65 61 6e 53 71 | 75 61 72 65 20 76 61 6c |d meanSq|uare val|
|000000d0| 75 65 73 20 6f 66 20 74 | 68 65 20 70 69 78 65 6c |ues of t|he pixel|
|000000e0| 73 20 69 6e 0d 74 68 65 | 20 73 75 70 70 6c 69 65 |s in.the| supplie|
|000000f0| 64 20 72 65 63 74 2c 20 | 61 66 74 65 72 20 63 6c |d rect, |after cl|
|00000100| 69 70 70 69 6e 67 20 77 | 69 74 68 20 74 68 65 20 |ipping w|ith the |
|00000110| 47 57 6f 72 6c 64 27 73 | 20 70 6f 72 74 52 65 63 |GWorld's| portRec|
|00000120| 74 2e 20 54 68 65 20 73 | 75 70 70 6c 69 65 64 0d |t. The s|upplied.|
|00000130| 72 65 63 74 20 69 73 20 | 72 65 70 6c 61 63 65 64 |rect is |replaced|
|00000140| 20 62 79 20 74 68 65 20 | 63 6c 69 70 70 65 64 20 | by the |clipped |
|00000150| 72 65 63 74 2e 0d 0d 49 | 6d 61 67 65 45 6e 65 72 |rect...I|mageEner|
|00000160| 67 79 20 72 65 74 75 72 | 6e 73 20 74 68 65 20 73 |gy retur|ns the s|
|00000170| 75 6d 6d 65 64 20 73 71 | 75 61 72 65 20 76 61 6c |ummed sq|uare val|
|00000180| 75 65 2c 20 6f 76 65 72 | 20 74 68 65 20 63 6c 69 |ue, over| the cli|
|00000190| 70 70 65 64 20 72 65 63 | 74 20 61 72 65 61 2c 20 |pped rec|t area, |
|000001a0| 6f 66 0d 74 68 65 20 70 | 69 78 65 6c 73 20 61 66 |of.the p|ixels af|
|000001b0| 74 65 72 20 73 75 62 74 | 72 61 63 74 69 6e 67 20 |ter subt|racting |
|000001c0| 74 68 65 20 73 75 70 70 | 6c 69 65 64 20 22 62 61 |the supp|lied "ba|
|000001d0| 63 6b 67 72 6f 75 6e 64 | 22 2e 0d 0d 48 49 53 54 |ckground|"...HIST|
|000001e0| 4f 52 59 3a 0d 31 30 2f | 32 37 2f 39 34 20 77 72 |ORY:.10/|27/94 wr|
|000001f0| 6f 74 65 20 69 74 0d 2a | 2f 0d 23 69 6e 63 6c 75 |ote it.*|/.#inclu|
|00000200| 64 65 20 22 56 69 64 65 | 6f 54 6f 6f 6c 62 6f 78 |de "Vide|oToolbox|
|00000210| 2e 68 22 0d 23 69 6e 63 | 6c 75 64 65 20 3c 61 73 |.h".#inc|lude <as|
|00000220| 73 65 72 74 2e 68 3e 0d | 0d 64 6f 75 62 6c 65 20 |sert.h>.|.double |
|00000230| 49 6d 61 67 65 45 6e 65 | 72 67 79 28 47 57 6f 72 |ImageEne|rgy(GWor|
|00000240| 6c 64 50 74 72 20 61 57 | 6f 72 6c 64 2c 52 65 63 |ldPtr aW|orld,Rec|
|00000250| 74 20 2a 61 52 65 63 74 | 2c 64 6f 75 62 6c 65 20 |t *aRect|,double |
|00000260| 62 61 63 6b 67 72 6f 75 | 6e 64 29 0d 7b 0d 09 64 |backgrou|nd).{..d|
|00000270| 6f 75 62 6c 65 20 6d 65 | 61 6e 2c 6d 65 61 6e 53 |ouble me|an,meanS|
|00000280| 71 75 61 72 65 2c 61 72 | 65 61 3b 0d 0d 09 49 6d |quare,ar|ea;...Im|
|00000290| 61 67 65 53 74 61 74 69 | 73 74 69 63 73 28 61 57 |ageStati|stics(aW|
|000002a0| 6f 72 6c 64 2c 61 52 65 | 63 74 2c 4e 55 4c 4c 2c |orld,aRe|ct,NULL,|
|000002b0| 4e 55 4c 4c 2c 26 6d 65 | 61 6e 2c 26 6d 65 61 6e |NULL,&me|an,&mean|
|000002c0| 53 71 75 61 72 65 29 3b | 0d 09 61 72 65 61 3d 28 |Square);|..area=(|
|000002d0| 64 6f 75 62 6c 65 29 28 | 61 52 65 63 74 2d 3e 72 |double)(|aRect->r|
|000002e0| 69 67 68 74 2d 61 52 65 | 63 74 2d 3e 6c 65 66 74 |ight-aRe|ct->left|
|000002f0| 29 2a 28 61 52 65 63 74 | 2d 3e 62 6f 74 74 6f 6d |)*(aRect|->bottom|
|00000300| 2d 61 52 65 63 74 2d 3e | 74 6f 70 29 3b 0d 09 72 |-aRect->|top);..r|
|00000310| 65 74 75 72 6e 20 61 72 | 65 61 2a 28 6d 65 61 6e |eturn ar|ea*(mean|
|00000320| 53 71 75 61 72 65 2d 32 | 2a 62 61 63 6b 67 72 6f |Square-2|*backgro|
|00000330| 75 6e 64 2a 6d 65 61 6e | 2b 62 61 63 6b 67 72 6f |und*mean|+backgro|
|00000340| 75 6e 64 2a 62 61 63 6b | 67 72 6f 75 6e 64 29 3b |und*back|ground);|
|00000350| 0d 7d 0d 0d 76 6f 69 64 | 20 49 6d 61 67 65 53 74 |.}..void| ImageSt|
|00000360| 61 74 69 73 74 69 63 73 | 28 47 57 6f 72 6c 64 50 |atistics|(GWorldP|
|00000370| 74 72 20 77 6f 72 6c 64 | 2c 52 65 63 74 20 2a 72 |tr world|,Rect *r|
|00000380| 65 63 74 0d 09 2c 6c 6f | 6e 67 20 2a 6d 69 6e 50 |ect..,lo|ng *minP|
|00000390| 74 72 2c 6c 6f 6e 67 20 | 2a 6d 61 78 50 74 72 2c |tr,long |*maxPtr,|
|000003a0| 64 6f 75 62 6c 65 20 2a | 6d 65 61 6e 50 74 72 2c |double *|meanPtr,|
|000003b0| 64 6f 75 62 6c 65 20 2a | 6d 65 61 6e 53 71 75 61 |double *|meanSqua|
|000003c0| 72 65 50 74 72 29 0d 7b | 0d 09 72 65 67 69 73 74 |rePtr).{|..regist|
|000003d0| 65 72 20 6c 6f 6e 67 20 | 70 69 78 2c 70 69 78 4d |er long |pix,pixM|
|000003e0| 61 78 2c 70 69 78 4d 69 | 6e 2c 6d 65 61 6e 4c 2c |ax,pixMi|n,meanL,|
|000003f0| 6d 65 61 6e 53 71 75 61 | 72 65 4c 3b 0d 09 72 65 |meanSqua|reL;..re|
|00000400| 67 69 73 74 65 72 20 64 | 6f 75 62 6c 65 20 6d 65 |gister d|ouble me|
|00000410| 61 6e 2c 6d 65 61 6e 53 | 71 75 61 72 65 3b 0d 09 |an,meanS|quare;..|
|00000420| 64 6f 75 62 6c 65 20 61 | 72 65 61 3b 0d 09 69 6e |double a|rea;..in|
|00000430| 74 20 77 69 64 74 68 3b | 0d 09 72 65 67 69 73 74 |t width;|..regist|
|00000440| 65 72 20 69 6e 74 20 69 | 2c 6a 3b 0d 20 20 20 20 |er int i|,j;.    |
|00000450| 69 6e 74 20 65 72 72 6f | 72 3d 30 3b 0d 09 75 6e |int erro|r=0;..un|
|00000460| 73 69 67 6e 65 64 20 6c | 6f 6e 67 20 70 69 78 65 |signed l|ong pixe|
|00000470| 6c 73 5b 31 30 32 34 5d | 3b 0d 0d 09 61 73 73 65 |ls[1024]|;...asse|
|00000480| 72 74 28 53 74 61 63 6b | 53 70 61 63 65 28 29 3e |rt(Stack|Space()>|
|00000490| 34 30 30 30 29 3b 0d 09 | 53 65 63 74 52 65 63 74 |4000);..|SectRect|
|000004a0| 28 72 65 63 74 2c 26 77 | 6f 72 6c 64 2d 3e 70 6f |(rect,&w|orld->po|
|000004b0| 72 74 52 65 63 74 2c 72 | 65 63 74 29 3b 0d 09 69 |rtRect,r|ect);..i|
|000004c0| 66 28 45 6d 70 74 79 52 | 65 63 74 28 72 65 63 74 |f(EmptyR|ect(rect|
|000004d0| 29 29 7b 0d 09 09 6d 65 | 61 6e 3d 6d 65 61 6e 53 |)){...me|an=meanS|
|000004e0| 71 75 61 72 65 3d 30 2e | 30 2f 30 2e 30 3b 09 2f |quare=0.|0/0.0;./|
|000004f0| 2f 20 4e 41 4e 0d 09 09 | 70 69 78 4d 69 6e 3d 70 |/ NAN...|pixMin=p|
|00000500| 69 78 4d 61 78 3d 30 3b | 0d 09 7d 65 6c 73 65 7b |ixMax=0;|..}else{|
|00000510| 0d 09 09 77 69 64 74 68 | 3d 72 65 63 74 2d 3e 72 |...width|=rect->r|
|00000520| 69 67 68 74 2d 72 65 63 | 74 2d 3e 6c 65 66 74 3b |ight-rec|t->left;|
|00000530| 0d 09 09 6d 65 61 6e 3d | 6d 65 61 6e 53 71 75 61 |...mean=|meanSqua|
|00000540| 72 65 3d 30 3b 0d 09 09 | 70 69 78 4d 69 6e 3d 4c |re=0;...|pixMin=L|
|00000550| 4f 4e 47 5f 4d 41 58 3b | 0d 09 09 70 69 78 4d 61 |ONG_MAX;|...pixMa|
|00000560| 78 3d 4c 4f 4e 47 5f 4d | 49 4e 3b 0d 09 09 66 6f |x=LONG_M|IN;...fo|
|00000570| 72 28 6a 3d 72 65 63 74 | 2d 3e 74 6f 70 3b 6a 3c |r(j=rect|->top;j<|
|00000580| 72 65 63 74 2d 3e 62 6f | 74 74 6f 6d 3b 6a 2b 2b |rect->bo|ttom;j++|
|00000590| 29 7b 0d 09 09 09 47 65 | 74 57 69 6e 64 6f 77 50 |){....Ge|tWindowP|
|000005a0| 69 78 65 6c 73 51 75 69 | 63 6b 6c 79 28 28 57 69 |ixelsQui|ckly((Wi|
|000005b0| 6e 64 6f 77 50 74 72 29 | 77 6f 72 6c 64 2c 72 65 |ndowPtr)|world,re|
|000005c0| 63 74 2d 3e 6c 65 66 74 | 2c 6a 2c 70 69 78 65 6c |ct->left|,j,pixel|
|000005d0| 73 2c 77 69 64 74 68 29 | 3b 0d 09 09 09 6d 65 61 |s,width)|;....mea|
|000005e0| 6e 4c 3d 30 3b 0d 09 09 | 09 6d 65 61 6e 53 71 75 |nL=0;...|.meanSqu|
|000005f0| 61 72 65 4c 3d 30 3b 0d | 09 09 09 66 6f 72 28 69 |areL=0;.|...for(i|
|00000600| 3d 77 69 64 74 68 2d 31 | 3b 69 3e 3d 30 3b 69 2d |=width-1|;i>=0;i-|
|00000610| 2d 29 7b 0d 09 09 09 09 | 70 69 78 3d 70 69 78 65 |-){.....|pix=pixe|
|00000620| 6c 73 5b 69 5d 3b 0d 09 | 09 09 09 69 66 28 70 69 |ls[i];..|...if(pi|
|00000630| 78 3c 70 69 78 4d 69 6e | 29 70 69 78 4d 69 6e 3d |x<pixMin|)pixMin=|
|00000640| 70 69 78 3b 0d 09 09 09 | 09 69 66 28 70 69 78 3e |pix;....|.if(pix>|
|00000650| 70 69 78 4d 61 78 29 70 | 69 78 4d 61 78 3d 70 69 |pixMax)p|ixMax=pi|
|00000660| 78 3b 0d 09 09 09 09 6d | 65 61 6e 4c 2b 3d 70 69 |x;.....m|eanL+=pi|
|00000670| 78 3b 0d 09 09 09 09 6d | 65 61 6e 53 71 75 61 72 |x;.....m|eanSquar|
|00000680| 65 4c 2b 3d 70 69 78 2a | 70 69 78 3b 0d 09 09 09 |eL+=pix*|pix;....|
|00000690| 7d 0d 09 09 09 6d 65 61 | 6e 2b 3d 6d 65 61 6e 4c |}....mea|n+=meanL|
|000006a0| 3b 09 09 09 09 2f 2f 20 | 66 6c 6f 61 74 0d 09 09 |;....// |float...|
|000006b0| 09 6d 65 61 6e 53 71 75 | 61 72 65 2b 3d 6d 65 61 |.meanSqu|are+=mea|
|000006c0| 6e 53 71 75 61 72 65 4c | 3b 09 2f 2f 20 66 6c 6f |nSquareL|;.// flo|
|000006d0| 61 74 0d 09 09 7d 0d 09 | 09 61 72 65 61 3d 28 64 |at...}..|.area=(d|
|000006e0| 6f 75 62 6c 65 29 77 69 | 64 74 68 2a 28 72 65 63 |ouble)wi|dth*(rec|
|000006f0| 74 2d 3e 62 6f 74 74 6f | 6d 2d 72 65 63 74 2d 3e |t->botto|m-rect->|
|00000700| 74 6f 70 29 3b 0d 09 09 | 6d 65 61 6e 2f 3d 61 72 |top);...|mean/=ar|
|00000710| 65 61 3b 0d 09 09 6d 65 | 61 6e 53 71 75 61 72 65 |ea;...me|anSquare|
|00000720| 2f 3d 61 72 65 61 3b 0d | 09 7d 0d 09 69 66 28 6d |/=area;.|.}..if(m|
|00000730| 69 6e 50 74 72 21 3d 4e | 55 4c 4c 29 2a 6d 69 6e |inPtr!=N|ULL)*min|
|00000740| 50 74 72 3d 70 69 78 4d | 69 6e 3b 0d 09 69 66 28 |Ptr=pixM|in;..if(|
|00000750| 6d 61 78 50 74 72 21 3d | 4e 55 4c 4c 29 2a 6d 61 |maxPtr!=|NULL)*ma|
|00000760| 78 50 74 72 3d 70 69 78 | 4d 61 78 3b 0d 09 69 66 |xPtr=pix|Max;..if|
|00000770| 28 6d 65 61 6e 50 74 72 | 21 3d 4e 55 4c 4c 29 2a |(meanPtr|!=NULL)*|
|00000780| 6d 65 61 6e 50 74 72 3d | 6d 65 61 6e 3b 0d 09 69 |meanPtr=|mean;..i|
|00000790| 66 28 6d 65 61 6e 53 71 | 75 61 72 65 50 74 72 21 |f(meanSq|uarePtr!|
|000007a0| 3d 4e 55 4c 4c 29 2a 6d | 65 61 6e 53 71 75 61 72 |=NULL)*m|eanSquar|
|000007b0| 65 50 74 72 3d 6d 65 61 | 6e 53 71 75 61 72 65 3b |ePtr=mea|nSquare;|
|000007c0| 0d 7d 0d 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |.}......|........|
|000007d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000007e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000007f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000800| 00 00 01 00 00 00 01 4c | 00 00 00 4c 00 00 00 32 |.......L|...L...2|
|00000810| 65 73 70 6f 6e 73 65 46 | 75 6e 63 74 69 6f 6e 20 |esponseF|unction |
|00000820| 61 63 63 65 70 74 73 20 | 61 6e 20 65 78 74 72 61 |accepts |an extra|
|00000830| 11 49 6d 61 67 65 53 74 | 61 74 69 73 74 69 63 73 |.ImageSt|atistics|
|00000840| 2e 63 02 00 00 00 50 61 | 72 74 53 49 54 21 00 00 |.c....Pa|rtSIT!..|
|00000850| 00 00 50 61 72 74 53 49 | 54 21 00 00 00 00 00 00 |..PartSI|T!......|
|00000860| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000870| 00 00 ab bf ee 62 00 00 | 00 00 00 00 01 7e 2e 0d |.....b..|.....~..|
|00000880| 09 31 30 2f 32 34 2f 39 | 32 09 64 67 70 3a 20 46 |.10/24/9|2.dgp: F|
|00000890| 69 78 65 64 20 63 6f 6d | 70 75 74 61 74 69 6f 6e |ixed com|putation|
|000008a0| 20 6f 66 20 69 6e 74 65 | 6e 73 69 74 79 20 73 6f | of inte|nsity so|
|000008b0| 20 74 68 61 74 20 69 74 | 20 67 69 76 65 73 20 73 | that it| gives s|
|000008c0| 65 6e 73 69 62 6c 65 20 | 61 6e 73 77 65 72 0d 09 |ensible |answer..|
|000008d0| 09 09 09 65 76 65 6e 20 | 77 68 65 6e 20 71 63 2d |...even |when qc-|
|000008e0| 3e 67 75 65 73 73 20 69 | 73 20 4e 41 4e 2e 20 50 |>guess i|s NAN. P|
|000008f0| 72 65 76 69 6f 75 73 6c | 79 20 74 68 65 20 63 6f |reviousl|y the co|
|00000900| 00 00 00 48 00 09 4d 6f | 6e 61 63 6f 00 00 00 00 |...H..Mo|naco....|
|00000910| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000920| 00 00 00 00 00 00 00 03 | 00 04 00 3d 00 04 01 f4 |........|...=....|
|00000930| 02 5e 00 3d 00 04 01 f4 | 02 5e aa d4 cc f5 00 00 |.^.=....|.^......|
|00000940| 02 d9 00 00 02 e8 00 00 | 00 d6 00 00 00 00 01 00 |........|........|
|00000950| 00 00 01 4c 00 00 00 4c | 00 00 00 32 01 e1 ae c8 |...L...L|...2....|
|00000960| 23 42 00 00 00 1c 00 32 | 00 00 4d 50 53 52 00 00 |#B.....2|..MPSR..|
|00000970| 00 0a 03 ed ff ff 00 00 | 00 00 00 00 00 00 00 00 |........|........|
+--------+-------------------------+-------------------------+--------+--------+