Reward post-training of flow models either reweights the model's own samples under a KL penalty or a frozen reference, often for thousands of updates, or backpropagates the reward and moves every sample without checking that the move is worth its size. We introduce MEND, a reinforcement learning method built on proxima...
Shreshth Saini, N. Birkbeck, Yi-Lin Wang et al.· 0 citations
Image compression, restoration, and generation all require a way to measure how different two images look to a person. Pixel error ignores how people see, while the most accurate perceptual distances are typically fitted to human judgments, tying them to a fixed data and resolution. For example, when image resolution i...
Shreshth Saini, Balu Adsumilli, Alan C. Bovik· 0 citations
CinematicVQA is introduced, the first-of-its-kind benchmark for cinematic video understanding that goes beyond technique recognition to evaluate film-grammar reasoning, utilizing the introduced Cinematic Scene Graph (CSG), a structured representation that links filming techniques to their perceptual effects and narrati...
Shuo Xing, Pooja Verlani, Balu Adsumilli et al.· 0 citations
This work introduces RUTA, a principled Rate-Utility Token Allocation method that performs pre-LLM reduction by jointly learning which tokens to retain and how many to allocate to each image-query pair, and is optimized with a penalized rate-utility objective that balances downstream task loss against expected token us...
Jiangyu Zou, Xiaoyu Xu, Zhihua Wang et al.· 0 citations
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