English 中文(简体)
How does bicubic interpolation work?
原标题:

After reading text about this said topic, i found out that it considers 16 of the original neighboring pixels. What i want to know is how does it compute the color value of the new pixel. If the color values of the 16 pixels are known, how could you compute the value of the new one?

问题回答

I think it s pretty well explained in Wikipedia. You need the intensity values of 4*4=16 pixels, from which you can calculate the interpolated value at any point within that 4*4 grid.

If you mean how to do this for RGB triplets, you just do the process separately for each component.





相关问题
Resources for Image Recognition

I am looking for a recommendation for an introduction to image processing algorithms (face and shape recognition, etc.) and wondered if anyone had an good recommendations, either for books, ...

Good reference book for digital image processing? [closed]

I am learning digital image processing on my own and would like recomendations on good reference books. If you know of books to definately stay away from that would be useful as well. Thanks

Python Tesseract can t recognize this font

I have this image: I want to read it to a string using python, which I didn t think would be that hard. I came upon tesseract, and then a wrapper for python scripts using tesseract. So I started ...

What s the quickest way to parallelize code?

I have an image processing routine that I believe could be made very parallel very quickly. Each pixel needs to have roughly 2k operations done on it in a way that doesn t depend on the operations ...

Computing object statistics from the second central moments

I m currently working on writing a version of the MATLAB RegionProps function for GNU Octave. I have most of it implemented, but I m still struggling with the implementation of a few parts. I had ...

Viola-Jones face detection claims 180k features

I ve been implementing an adaptation of Viola-Jones face detection algorithm. The technique relies upon placing a subframe of 24x24 pixels within an image, and subsequently placing rectangular ...

热门标签