EPISODE · Mar 28, 2026 · 22 MIN
Calibri: Enhancing Diffusion Transformers via Parameter-Efficient Calibration
from Daily Paper Cast · host Jingwen Liang, Gengyu Wang
🤗 Upvotes: 40 | cs.CV Authors: Danil Tokhchukov, Aysel Mirzoeva, Andrey Kuznetsov, Konstantin Sobolev Title: Calibri: Enhancing Diffusion Transformers via Parameter-Efficient Calibration Arxiv: http://arxiv.org/abs/2603.24800v1 Abstract: In this paper, we uncover the hidden potential of Diffusion Transformers (DiTs) to significantly enhance generative tasks. Through an in-depth analysis of the denoising process, we demonstrate that introducing a single learned scaling parameter can significantly improve the performance of DiT blocks. Building on this insight, we propose Calibri, a parameter-efficient approach that optimally calibrates DiT components to elevate generative quality. Calibri frames DiT calibration as a black-box reward optimization problem, which is efficiently solved using an evolutionary algorithm and modifies just ~100 parameters. Experimental results reveal that despite its lightweight design, Calibri consistently improves performance across various text-to-image models. Notably, Calibri also reduces the inference steps required for image generation, all while maintaining high-quality outputs.
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🤗 Upvotes: 40 | cs.CV Authors: Danil Tokhchukov, Aysel Mirzoeva, Andrey Kuznetsov, Konstantin Sobolev Title: Calibri: Enhancing Diffusion Transformers via Parameter-Efficient Calibration Arxiv: http://arxiv.org/abs/2603.24800v1 Abstract: In this paper, we uncover the hidden potential of Diffusion Transformers (DiTs) to significantly enhance generative tasks. Through an in-depth analysis of the denoising process, we demonstrate that introducing a single learned scaling parameter can significantly improve the performance of DiT blocks. Building on this insight, we propose Calibri, a parameter-efficient approach that optimally calibrates DiT components to elevate generative quality. Calibri frames DiT calibration as a black-box reward optimization problem, which is efficiently solved using an evolutionary algorithm and modifies just ~100 parameters. Experimental results reveal that despite its lightweight design, Calibri consistently improves performance across various text-to-image models. Notably, Calibri also reduces the inference steps required for image generation, all while maintaining high-quality outputs.
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Calibri: Enhancing Diffusion Transformers via Parameter-Efficient Calibration
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