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- Can I find the five differences between the left and right parts?
- It doesn't matter if you can't find it. Use a program to process the image.
- The result is as follows:
Can I find the five differences between the left and right parts? It doesn't matter if you can't find it. Use a program to process the image. Using system; <br/> using system. collections. generic; <br/> using system. drawing; <br/> using system. drawing. imaging; <br/> using system. LINQ; <br/> using system. windows. forms; <br/> using system. runtime. interopservices; </P> <p> namespace spotdiff <br/> {<br/> Public partial class form1: Form <br/>{< br/> Public form1 () <br/>{< br/> initializecomponent (); <br/>}</P> <p> private void processbutton_click (Object sender, eventargs E) <br/>{< br/> var BMP = picturebox1.image as bitmap; <br/> var rect = new rectangle (0, 0, BMP. width, BMP. height); <br/> var bmp data = BMP. lockbits (rect, imagelockmode. readwrite, pixelformat. format24bpprgb); <br/> var PTR = BMP data. scan0; <br/> var bytes = BMP data. stride * BMP. height; <br/> var rgbvalues = new byte [bytes]; <br/> marshal. copy (PTR, rgbvalues, 0, bytes); </P> <p> var W = BMP. width/2; <br/> var H = BMP. height; <br/> var dx = 0; <br/> List <point> PTS = NULL; <br/> var lastsim = 0.0; <br/> (; DX <W; ++ dx) <br/>{< br/> PTS = getsimilarpoints (BMP data, rgbvalues, W, H, dx ); <br/> var SIM = PTS. count ()/(double) (W-dx) * H); <br/> system. diagnostics. debug. writeline (SIM); <br/> If (SIM <lastsim) {<br/> PTS = getsimilarpoints (BMP data, rgbvalues, W, H, -- dx ); <br/> break; <br/>}< br/> lastsim = SIM; <br/>}</P> <p> If (DX <W) <br/> foreach (var pt in PTS) <br/>{< br/> var offset1 = pt. y * BMP data. stride + Pt. x * 3; <br/> var offset2 = pt. y * BMP data. stride + (pt. X + W + dx) * 3; <br/> rgbvalues [offset1] = 255; rgbvalues [offset2] = 255; <br/> rgbvalues [offset1 + 1] = 0; rgbvalues [offset2 + 1] = 0; <br/> rgbvalues [offset1 + 2] = 0; rgbvalues [offset2 + 2] = 0; <br/>}</P> <p> marshal. copy (rgbvalues, 0, PTR, bytes); <br/> BMP. unlockbits (BMP data); <br/> picturebox1.refresh (); <br/>}</P> <p> Private Static list <point> getsimilarpoints (bitmapdata BMP data, byte [] rgbvalues, int W, int H, int dx) <br/>{< br/> return (<br/> from X in enumerable. range (0, W-dx) <br/> from Y in enumerable. range (0, h) <br/> let offset1 = y * BMP data. stride + x * 3 <br/> let offset2 = y * BMP data. stride + (x + W + dx) * 3 <br/> where rgbvalues [offset1] = rgbvalues [offset2] & <br/> rgbvalues [offset1 + 1] = rgbvalues [offset2 + 1] & <br/> rgbvalues [offset1 + 2] = rgbvalues [offset2 + 2] <br/> select new point (X, y )). tolist (); <br/>}< br/>The result is as follows:
