image-processing

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How to draw the contour of the objects in label matrix

I have a label matrix of segmented image. For example, 1 1 1 2 2 2 3 3 3 4 4 4 1 1 1 2 2 2 3 3 3 4 4 4 1 1 1 2 2 2 3 3 3 4 4 4[详细]

2023-04-12 11:51 分类：问答
Pygame quick pixel reading

Alright, hopefully someone can help me with this because I\'m at a loss here. I\'m working on a game in python that uses the camera as the main controller. To play the game, you move a simple light a[详细]

2023-04-12 08:30 分类：问答
3D reconstruction -- How to create 3D model from 2D image?

If I take a picture with a camera, so I know the distance from the camera to the object, such as a scale model of a house, I would like to turn this into a 3D model that I can maneuver around so I can[详细]

2023-04-12 07:36 分类：问答
questions about self-defined Gaussian blur using convolution

I am writing a function Conv2ByFFT() to do the Gaussian blur which is similar to the GaussianBlur() in openCV api. But as i compare the effects between by function and GaussianBlur() api, i find that[详细]

2023-04-12 04:41 分类：问答
Image Processing on Java

I\'m working on a college project, where I need t开发者_StackOverflow中文版o handle images in java. Sometime ago I worked in math lab and it was so easy, so I would like to know if exits any java libr[详细]

2023-04-12 02:21 分类：问答
Looking for Single Image HDR Algorithm [closed]

Closed. This question is seeking recommendations for books, tools, software libraries, and more. It does not meet Stack Overflow guidelines. It is not currently accepting answers.[详细]

2023-04-12 00:20 分类：问答
performance test between two directions of a 2D array

This code (A) executes much faster (10 times) then the second one: for(int w=0; w<width; w++) { for(int h=1; h<height; h++) {[详细]

2023-04-12 00:13 分类：问答
How do I link/point to specific objects in C#?

I am currently working on a project involving manipulation of binary images on pixel level (thinning, clustering etc.). Many of the algorithms used involve checking the attributes of neighboring pixel[详细]

2023-04-11 18:45 分类：问答
What image formats are supported by Gdk-Pixbuf (Gtk-Image?) by Default?

I know that Gdk-Pixbuf sup开发者_运维百科ports png and jpg, but I cannot find an exact list of all the completely (or partially) supported image formats anywhere on the internet. It is necessary for m[详细]

2023-04-11 14:57 分类：问答
Image processing hand feature identification

I\'m working on a problem (in C++/opencv) in which 4 users need to be distinguished from each other us开发者_JAVA技巧ing identity information extracted from skin color and features of the upper hand.[详细]

2023-04-11 13:38 分类：问答