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Image filter using VFP Assembly
This repository contains ARM assembly code and a C++ wrapper that performs selective enhancement of the blue color channel in an image.
Overview
The ARM assembly script reads an image's pixels and for each pixel, it calculates the ratio of the red to green channel intensities. If this ratio is greater than a certain threshold (1.5 in the provided code), it enhances the intensity of the blue channel by multiplying it by this ratio.
The C++ wrapper uses the CImg library to load an image, perform the filtering operation (either a default operation or the custom assembly operation defined in the assembly code), and then save the filtered image.
Usage
Compile the project using the provided Makefile. This should produce an executable program.
Run the program with a command-line argument specifying the path to the image file you want to process. The program will save the processed image as output.jpg.
Tested
The "278485.jpg" file is my original picture BEFORE the filter, and "output.jpg" is AFTER the filter was used.
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