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most citedCATCH: Channel-Aware multivariate Time Series Anomaly Detection via Frequency Patching

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cs.CV2026

PISA: Piecewise Sparse Attention Is Wiser for Efficient Diffusion Transformers

Haopeng Li, Shitong Shao, Wenliang Zhong +4

Diffusion Transformers are fundamental for video and image generation, but their efficiency is bottlenecked by the quadratic complexity of attention. While block sparse attention a…