pgm

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Displaying histogram pixel values from PGM image (p5) using Pure C without any image processing library

This question is challenging to get more understanding on Image Processing using pure C. I have done a simple program reading non-binary PGM file using C compiled with GCC. Now, it is becoming a probl[详细]

2023-04-05 18:33 分类：问答
Python and 16-bit PGM

I have 16-bit PGM images that I am trying to read in Python. It seems (?) like PIL does not support this format?[详细]

2023-04-04 07:29 分类：问答
Numpy and 16-bit PGM

What is an efficient and clear way to read 16-bit PGM images in Python with numpy开发者_高级运维?[详细]

2023-04-04 02:02 分类：问答
Cropping a PGM in C

I am trying to teach myself digital image process. I have read my pgm into a struct. In this struct I have pixel array. I can print it just fine. Now I want to crop this photo based on a user input. I[详细]

2023-03-18 11:34 分类：问答
Modulization Gone Awry

So I had one large function that worked. Then I decided to modify it and now I am just printing out a black square. I am attaching my code to see if any one would understand what is happening. These t[详细]

2023-03-18 05:03 分类：问答
Help on adding plug-in to Java ImageWriter

I am trying to save a Buffe开发者_如何学JAVAredImage as a PNM file. I already installed the JAI (Java Advanced Imaging), and have the PNMWriter plug-in imported. However, I don\'t know how to add it t[详细]

2023-03-17 04:03 分类：问答
Convert pgm image to bmp

how d开发者_如何学JAVAo I load pgm image in C# and how Im convert it to pgm file?I found a blog entry that has the code to convert a PGM file to a BMP file for you.I had to use Google Translate to rea[详细]

2023-03-09 15:09 分类：问答
How to read a .pgm image file in a 2D double array in C

The question is quite simple: How to read a .pgm image file into a 2D double array in C. I do not 开发者_JAVA百科have a .pgm buffer in memory. I would like to read it from the disk into memory.[详细]

2023-03-07 18:35 分类：问答
Problem to integrate sequential code to parallel code MPI

i tried to integrate an edge-detection laplacian operator into my previous code of MPI. The problem i have now is to do the edge detection in 1d array after the data is scatter. I got the output but t[详细]

2023-02-18 23:30 分类：问答
Segmentation faults occur when I run a parallel program with Open MPI

on my previous post I needed to distribute data of pgm files among 10 computers. With help from Jonathan Dursi and Shawn Chin, I have integrate the code.[详细]

2023-02-15 23:15 分类：问答