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From the 1 of 8 linked papers with an AI index.

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8 papers

cs.CV2026

Post-Training Pruning for Diffusion Transformers

Chengzhi Hu, Xuewen Liu, Jing Zhang +3

The paper introduces DiT-Pruning, a post‑training pruning method tailored for Diffusion Transformers that uses a new energy‑based saliency metric and clustering‑aware granularity t…

cs.LG2026

OSAQ: Outlier Self-Absorption for Accurate Low-bit LLM Quantization

Zhikai Li, Zhen Dong, Xuewen Liu +2

Large Language Models (LLMs) have demonstrated remarkable capabilities. However, their massive parameter scale leads to significant resource consumption and latency during inferenc…

cs.CV2026

Arena as Offline Reward: Efficient Fine-Grained Preference Optimization for Diffusion Models

Zhikai Li, Yue Zhao, Edward Zhongwei Zhang +4

Reinforcement learning from human feedback (RLHF) effectively promotes preference alignment of text-to-image (T2I) diffusion models. To improve computational efficiency, direct pre…

cs.CL2026

Sparsity Induction for Accurate Post-Training Pruning of Large Language Models

Minhao Jiang, Zhikai Li, Xuewen Liu +3

Large language models have demonstrated capabilities in text generation, while their increasing parameter scales present challenges in computational and memory efficiency. Post-tra…

cs.CV2026

Efficient-SAM2: Accelerating SAM2 with Object-Aware Visual Encoding and Memory Retrieval

Jing Zhang, Zhikai Li, Xuewen Liu +1

Segment Anything Model 2 (SAM2) shows excellent performance in video object segmentation tasks; however, the heavy computational burden hinders its application in real-time video p…

cs.CV2026

PTQ4ARVG: Post-Training Quantization for AutoRegressive Visual Generation Models

Xuewen Liu, Zhikai Li, Jing Zhang +2

AutoRegressive Visual Generation (ARVG) models retain an architecture compatible with language models, while achieving performance comparable to diffusion-based models. Quantizatio…