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Vision transformers (ViTs) have recently received explosive popularity, but their enormous model sizes and training costs remain daunting. Conventional post-training pruning often incurs higher training budgets. In contrast, this paper aims…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Tianlong Chen , Yu Cheng , Zhe Gan , Lu Yuan , Lei Zhang , Zhangyang Wang

Diffusionmodels(DMs)havedemonstratedremarkableachievements in synthesizing images of high fidelity and diversity. However, the extensive computational requirements and slow generative speed of diffusion models have limited their widespread…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Jiaojiao Ye , Zhen Wang , Linnan Jiang

Post-training quantization (PTQ) has evolved as a prominent solution for compressing complex models, which advocates a small calibration dataset and avoids end-to-end retraining. However, most existing PTQ methods employ block-wise…

Computer Vision and Pattern Recognition · Computer Science 2025-05-02 Changjun Li , Runqing Jiang , Zhuo Song , Pengpeng Yu , Ye Zhang , Yulan Guo

Pre-trained vision transformers have achieved remarkable performance across various visual tasks but suffer from expensive computational and memory costs. While model quantization reduces memory usage by lowering precision, these models…

Machine Learning · Computer Science 2025-08-06 Ching-Yi Lin , Sahil Shah

Post-Training Quantization (PTQ) has emerged as an effective technique for alleviating the substantial computational and memory overheads of Vision-Language Models (VLMs) by compressing both weights and activations without retraining the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Chenwei Jia , Baoting Li , Xuchong Zhang , Mingzhuo Wei , Bochen Lin , Hongbin Sun

Vision Transformer (ViT) has emerged as a prominent backbone for computer vision. For more efficient ViTs, recent works lessen the quadratic cost of the self-attention layer by pruning or fusing the redundant tokens. However, these works…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Sanghyeok Lee , Joonmyung Choi , Hyunwoo J. Kim

Transformer-based models, such as BERT, have been widely applied in a wide range of natural language processing tasks. However, one inevitable side effect is that they require massive memory storage and inference cost when deployed in…

Artificial Intelligence · Computer Science 2023-12-13 Jianwei Li , Tianchi Zhang , Ian En-Hsu Yen , Dongkuan Xu

We address the critical gap between the computational demands of vision-language models and the possible ultra-low-bit weight precision (bitwidth $\leq2$ bits) we can use for higher efficiency. Our work is motivated by the substantial…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Xijun Wang , Junyun Huang , Rayyan Abdalla , Chengyuan Zhang , Ruiqi Xian , Dinesh Manocha

Quantization is a technique for creating efficient Deep Neural Networks (DNNs), which involves performing computations and storing tensors at lower bit-widths than f32 floating point precision. Quantization reduces model size and inference…

Machine Learning · Computer Science 2023-10-02 Eliska Kloberdanz , Wei Le

Vision Transformers (ViTs) have become one of the dominant architectures in computer vision, and pre-trained ViT models are commonly adapted to new tasks via fine-tuning. Recent works proposed several parameter-efficient transfer learning…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Imad Eddine Marouf , Enzo Tartaglione , Stéphane Lathuilière

Quantization is an effective way to reduce the memory cost of large-scale model training. However, most existing methods adopt fixed-precision policies, which ignore the fact that optimizer-state distributions vary significantly across…

Machine Learning · Computer Science 2026-04-10 Minglu Liu , Cunchen Hu , Liangliang Xu , Fengming Tang , Ruijia Wang , Fu Yu

Mixed Precision Quantization (MPQ) has become an essential technique for optimizing neural network by determining the optimal bitwidth per layer. Existing MPQ methods, however, face a major hurdle: they require a computationally expensive…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Lianbo Ma , Jianlun Ma , Yuee Zhou , Guoyang Xie , Qiang He , Zhichao Lu

This work introduces NeuroQuant, a novel post-training quantization (PTQ) approach tailored to non-generalized Implicit Neural Representations for variable-rate Video Coding (INR-VC). Unlike existing methods that require extensive weight…

Image and Video Processing · Electrical Eng. & Systems 2025-02-18 Junqi Shi , Zhujia Chen , Hanfei Li , Qi Zhao , Ming Lu , Tong Chen , Zhan Ma

Model quantization helps to reduce model size and latency of deep neural networks. Mixed precision quantization is favorable with customized hardwares supporting arithmetic operations at multiple bit-widths to achieve maximum efficiency. We…

Computer Vision and Pattern Recognition · Computer Science 2020-12-04 Linjie Yang , Qing Jin

Diffusion models have recently dominated image synthesis tasks. However, the iterative denoising process is expensive in computations at inference time, making diffusion models less practical for low-latency and scalable real-world…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 Yefei He , Luping Liu , Jing Liu , Weijia Wu , Hong Zhou , Bohan Zhuang

Network quantization has gained increasing attention with the rapid growth of large pre-trained language models~(PLMs). However, most existing quantization methods for PLMs follow quantization-aware training~(QAT) that requires end-to-end…

Computation and Language · Computer Science 2021-10-01 Haoli Bai , Lu Hou , Lifeng Shang , Xin Jiang , Irwin King , Michael R. Lyu

Convolutional neural networks require significant memory bandwidth and storage for intermediate computations, apart from substantial computing resources. Neural network quantization has significant benefits in reducing the amount of…

Computer Vision and Pattern Recognition · Computer Science 2019-05-30 Ron Banner , Yury Nahshan , Elad Hoffer , Daniel Soudry

Vision Transformers (ViTs) take all the image patches as tokens and construct multi-head self-attention (MHSA) among them. Complete leverage of these image tokens brings redundant computations since not all the tokens are attentive in MHSA.…

Computer Vision and Pattern Recognition · Computer Science 2022-04-15 Youwei Liang , Chongjian Ge , Zhan Tong , Yibing Song , Jue Wang , Pengtao Xie

Vision Transformer (ViT) has recently demonstrated promise in computer vision problems. However, unlike Convolutional Neural Networks (CNN), it is known that the performance of ViT saturates quickly with depth increasing, due to the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-14 Peihao Wang , Wenqing Zheng , Tianlong Chen , Zhangyang Wang

Transformers are the backbone of powerful foundation models for many Vision and Natural Language Processing tasks. But their compute and memory/storage footprint is large, and so, serving such models is expensive often requiring high-end…

Machine Learning · Computer Science 2024-08-01 Harshavardhan Adepu , Zhanpeng Zeng , Li Zhang , Vikas Singh