Image-Transform-DCT-and-IDCT

This project is based on the homework from Computer Vision courses in NTHU.

Usage of this project

1. Choose input image file. (Here using 512x512 lena.png in gray scale as example)
2. Execute the main.py using the command: python main.py
3. Get the result images as below:

Original Image

DCT Transform

IDCT Transform

Error Image