This repository contains the Python implementation for an undergraduate research project based on the article "Digital image watermarking using discrete cosine transformation based linear modulation" ...
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Real-time X-ray compression shrinks file size by 8,000 times
Researchers led by Takaki Hatsui at the RIKEN SPring-8 Center (RSC) in Japan and collaborators have developed a new approach ...
Every image generated through ChatGPT, Codex, or the OpenAI API since May 19, 2026 carries two invisible signals permanently ...
Abstract: The recent technological innovations and the emergence of web-based applications that employ multimedia data transfer limits the network bandwidth. This problem can adequately be solved with ...
. ├── main.py # Entry point — runs the full pipeline ├── preprocessing.py # Part 1 — frame extraction, YCbCr, subsampling ├── dct_coding.py # Part 2 — DCT, quantisation matrix, IDCT ├── motion.py # ...
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