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Zhihui Wei

3 accepted papers

2026

Block Rotation is All You Need for MXFP4 Quantization

ICML 2026poster

Large language models (LLMs) have achieved remarkable success, but their rapidly growing scale imposes prohibitive costs in memory, computation, and energy. Post-training quantization (PTQ) is a promising solution for efficient deployment, yet achieving accurate W4A4 quantization remains an open cha…

Cited by 0SourceScholar
2025

DartQuant: Efficient Rotational Distribution Calibration for LLM Quantization

NeurIPS 2025poster

Quantization plays a crucial role in accelerating the inference of large-scale models, and rotational matrices have been shown to effectively improve quantization performance by smoothing outliers. However, end-to-end fine-tuning of rotational optimization algorithms incurs high computational costs…

Cited by 0SourceScholar
2017

Color demosaicking via nonlocal tensor representation

ICASSP 2017accepted

A single sensor camera can capture scenes by means of color filter array. Each pixel samples only one of the three primary colors. Color demosaicking (CDM) is a process of reconstruction a full color image from this sensor data. In this paper, we propose a novel CDM scheme based on learned simultane…

Cited by 0SourceScholar