Visual Basic Image Processing Basic Lecture
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Visual Basic Image Processing Basic Lectures can bring strong art effect through special occasions, which is common in film and television dramas, many ways to achieve this image, and the design enthusiasts are often photoshop. However, if the application needs this image processing function, we must find another way, because Photoshop is difficult to integrate into the application, and I will introduce you to how to use Visual Basic in this topic.
First lecture acquisition and output
To process an image, you first get the pixel value of the image, and the Picture control provided by the VB itself can open a lot of types of pictures, but it provides the Point method to read the pixel is too slow. >>>> Details
Application of secondary linear interpolation
There are many ways to enlarge image interpolation, the most important secondary linear interpolation and three linear interpolation. This time I announced the algorithm of the secondary linear interpolation used in my own program to everyone, I hope that friends who have to use VB to write similar programs will be helpful. >>>> Details
Realization of several common filters
The application of secondary linear interpolation is said earlier. This article came to you about the implementation of sharpening, softening, diffusion, engraving these filters. >>>> Details
Pencil painting algorithm and wood carving algorithm
In this article, I will tell you about the pencil painting algorithm and the wood carving algorithm and their implementation. Why do I have to put these two algorithms together, because these two algorithms are very similar. The human eye is observed for the image, and the human eye is much more sensitive to grayscale (brightness), and the human eye is much more sensitive to warm color adjustment and cold tones. The sensitivity of the general color. >>>> Details
Image color correction
Let's introduce some of some colors. For the color of the computer, the composition of the color is the three colors of right red, green, and blue. In the easiest 24-bit color, red, green, blue each uses 1 byte, 1 byte is 8 bits, so it is just 24 bits. >>>> Details
Image brightness contrast adjustment
In image processing, I am afraid everyone is most familiar with the brightness and contrast of the image. As an example of a 24-bit color image, each color can be represented by 0-255, a total of 256 depths. If we draw it on a two-dimensional coordinate, it is just a straight line. >>>> Details
