Tokenize Image Patches: Global Context Fusion for Effective Haze Removal in Large Images
Jiuchen Chen, Xinyu Yan, Qizhi Xu, Kaiqi Li
2025-04-21
Summary
This paper talks about DehazeXL, a new technique for removing haze from large, high-resolution images by combining information from the whole picture with details from small parts of the image.
What's the problem?
The problem is that haze can make photos look blurry and washed out, especially in big, detailed images like landscapes. Most existing methods either can't handle large images well or miss important details because they only focus on small sections at a time, and powerful computers are often needed to process such images.
What's the solution?
The researchers created DehazeXL, which breaks images into patches, processes both the overall scene and the tiny details, and then puts everything back together. This approach works efficiently on regular GPUs, making it possible to clear up haze in big images without needing super expensive hardware.
Why it matters?
This matters because it allows photographers, scientists, and anyone working with large images to get clearer, more detailed pictures, even if they don't have access to supercomputers. It can help in areas like environmental monitoring, mapping, and digital art.
Abstract
DehazeXL is a haze removal method that balances global context and local features, enabling efficient processing of large high-resolution images using mainstream GPU hardware.