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Tag Archives: kernel
Warp images arbitrarily in C#, Part 2
The post Warp images arbitrarily in C#, Part 1 explains how to warp images, but it omits the method that maps an output pixel (x1, y1) back to an input pixel (x0, y0) in the original image. This post describes … Continue reading
Posted in algorithms, graphics, image processing, mathematics
Tagged algorithms, Bitmap, Bitmap32, blur, C#, C# programming, colorize, detect edges, edge detection, emboss, example, example program, filter, graphics, high pass filter, image processing, kernel, low pass filter, mathematics, Windows Forms programming
Comments Off on Warp images arbitrarily in C#, Part 2
Warp images arbitrarily in C#, Part 1
This is an extension of the example Use image filters to perform edge detection, smoothing, embossing, and more in C# that adds new features that warp images in arbitrary ways. The idea is to use two functions F(x, y) and … Continue reading
Posted in algorithms, graphics, image processing, mathematics
Tagged algorithms, Bitmap, Bitmap32, blur, C#, C# programming, colorize, detect edges, edge detection, emboss, example, example program, filter, graphics, high pass filter, image processing, kernel, low pass filter, mathematics, Windows Forms programming
5 Comments
Apply a filter to make a color embossed image in C#
This example extends the earlier one Pixellate an image and create other effects in C# by adding a new filter that makes a color embossed image without removing most of the color information. The filter’s kernel is: 1 1 -1 … Continue reading
Posted in algorithms, graphics, image processing
Tagged algorithms, blur, C#, C# programming, color embossed image, color embossing, colorize, detect edges, edge detection, emboss, example, example program, filter, graphics, high pass filter, image processing, kernel, low pass filter, pixellate, pixellate image, pointellate, pointellate image, Windows Forms programming
Comments Off on Apply a filter to make a color embossed image in C#
Pixellate an image and create other effects in C#
This example extends the previous example Use image filters to perform edge detection, smoothing, embossing, and more in C# by adding the ability to pixellate an image. It also adds the ability to load and save files, and a few … Continue reading
Posted in algorithms, graphics, image processing
Tagged algorithms, blur, C#, C# programming, colorize, detect edges, edge detection, emboss, example, example program, filter, graphics, high pass filter, image processing, kernel, low pass filter, pixellate, pixellate image, pointellate, pointellate image, Windows Forms programming
1 Comment
Use image filters to perform edge detection, smoothing, embossing, and more in C#
Image filters let you perform operations on the pixel in an image. This is a fairly large example so you may want to spend some time walking through the code. In one kind of image filter, you have an array … Continue reading
Posted in algorithms, graphics, image processing
Tagged algorithms, blur, C#, C# programming, colorize, detect edges, edge detection, emboss, example, example program, filter, graphics, high pass filter, image processing, kernel, low pass filter, pixellate, pixellate image, pointellate, pointellate image, Windows Forms programming
5 Comments