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fengzhang427 / LRD

Official implementation for our ICCV 2023 paper “Towards General Low-Light Raw Noise Synthesis and Modeling”
MIT License
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测试代码的疑问 #10

Closed 0getworld closed 6 months ago

0getworld commented 6 months ago

image 想请教下测试LRD数据集时，为什么在raw2rgb前要对noisy_image * ratio？

fengzhang427 commented 6 months ago

因为LRD数据集是在-EV/-2EV/-3EV这样的暗光环境下拍摄的RAW，这个ratio是一个Amplification Ratio，相当于把RAW图的亮度拉到与GT的RAW图一致（拉高亮度也同时会增大噪声）。