You can see the accuracy between the book pages. PS Here is the filtered transparent image drawn on a black form background. Private Sub Form5_Paint(sender As Object, e As PaintEventArgs) Handles Me.Paintĭim destRect As New Rectangle(10, 10, srcBmp.Width, srcBmp.Height)Į.Graphics.SmoothingMode = Į.Graphics.DrawImage(srcBmp, Rectangle.Round(destRect))Į.Graphics.DrawString("Original", Font, Brushes.Black, 40, 210)ĭim attribs As New Īttribs.SetColorKey(Color.FromArgb(200, 200, 200), Color.FromArgb(255, 255, 255))Į.Graphics.DrawImage(srcBmp, Rectangle.Round(destRect), 0, 0, srcBmp.Width, srcBmp.Height, GraphicsUnit.Pixel, attribs)Į.Graphics.DrawString("Filtered Duplicate", Font, Brushes.Black, 40, 430) ![]() Private Sub Form5_Load(sender As Object, e As EventArgs) Handles MyBase.Load Private srcBmp As New Bitmap("c:\bitmaps\a.jpg") See how all the high gray to white color range was removed from the original dithered image they said could not be done? There are other ways to remove single colors as well and if you define a fence around the image colors you can do that and etc. another more straight forward approach is to use template matching, in case you have known set of symbols. I want to change the colour of a picture frame (black) around the outside of an image and I. gray and black wall art, Grey Black and white Watercolor painting, Ink graffiti gray background, purple. Im using since few years, and now Im trying to. convert your image to HSB apply thresholds and combine them with logical operations. Painting Splatter film Black and white, paint. On the lower layer, remove the black, using Color Clearer. If your mask has any black or gray spots. One can remove colors from two passes of the colorkey ie range of black-gray and range of smoke to white. the lines you want to get rid of are medium brightness and low saturation while the stuff you are interested in is high sturation or (low saturation and low brightness). On the top layer, delete all but the flowers by removing all color without zero saturation, using HSV Eraser and BoltBaits Hue/Saturation . To continue working, press X again (so you see the original photo with its yellow background) and paint more. In the example I have removed all the background from the image in Karen's link above. The image, that you choose, will be placed as a new layer. ![]() To add a new background press File - Open
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