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POPattern Recognition for image comparision in .net
 

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  1. POPattern Recognition for image comparision in .net
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    <p>Can anybody share code or algorithm(using pattern recognition) for image comparision in .net.</p> <p>I need to compare 2 images of different resolution and textures and the find the difference . Now i have code to find the difference between 2 images using C#</p> <pre><code>// Load the images. Bitmap bm1 = (Bitmap) (Image.FromFile(txtFile1.Text)); Bitmap bm2 = (Bitmap) (Image.FromFile(txtFile2.Text)); // Make a difference image. int wid = Math.Min(bm1.Width, bm2.Width); int hgt = Math.Min(bm1.Height, bm2.Height); Bitmap bm3 = new Bitmap(wid, hgt); // Create the difference image. bool are_identical = true; int r1; int g1; int b1; int r2; int g2; int b2; int r3; int g3; int b3; Color eq_color = Color.Transparent; Color ne_color = Color.Transparent; for (int x = 0; x &lt;= wid - 1; x++) { for (int y = 0; y &lt;= hgt - 1; y++) { if (bm1.GetPixel(x, y).Equals(bm2.GetPixel(x, y))) { bm3.SetPixel(x, y, eq_color); } else { bm1.SetPixel(x, y, ne_color); are_identical = false; } } } // Display the result. picResult.Image = bm1; Bitmap Logo = new Bitmap(picResult.Image); Logo.MakeTransparent(Logo.GetPixel(1, 1)); picResult.Image = (Image)Logo; //this.Cursor = Cursors.Default; if ((bm1.Width != bm2.Width) || (bm1.Height != bm2.Height)) { are_identical = false; } if (are_identical) { MessageBox.Show("The images are identical"); } else { MessageBox.Show("The images are different"); } //bm1.Dispose() // bm2.Dispose() </code></pre> <p>BUT this compare if the 2 images are of same resolution and size.if some shadow is there on one image(but the 2 images are same) it shows the difference between the image..so i am trying to compare using pattern recognition. </p>
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    1. USvinod R
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      1. VTUpMod
    1. COWhen you'll find an universally working solution shout “Hurray” and make mega-image-search engine that other companies still struggling to do.
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      1. USnkrkv
 

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