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Video matting is crucial for applications such as film production and virtual reality, yet deploying its computationally intensive models on resource-constrained devices presents challenges. Quantization is a key technique for model…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Tianrui Zhu , Houyuan Chen , Ruihao Gong , Michele Magno , Haotong Qin , Kai Zhang

Vision Transformers (ViTs) have recently garnered considerable attention, emerging as a promising alternative to convolutional neural networks (CNNs) in several vision-related applications. However, their large model sizes and high…

Machine Learning · Computer Science 2024-05-02 Dayou Du , Gu Gong , Xiaowen Chu

Due to its efficiency, Post-Training Quantization (PTQ) has been widely adopted for compressing Vision Transformers (ViTs). However, when quantized into low-bit representations, there is often a significant performance drop compared to…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Rui Ding , Liang Yong , Sihuan Zhao , Jing Nie , Lihui Chen , Haijun Liu , Xichuan Zhou

Vision transformers (ViTs) quantization offers a promising prospect to facilitate deploying large pre-trained networks on resource-limited devices. Fully-binarized ViTs (Bi-ViT) that pushes the quantization of ViTs to its limit remain…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Yanjing Li , Sheng Xu , Mingbao Lin , Xianbin Cao , Chuanjian Liu , Xiao Sun , Baochang Zhang

We present an overview of techniques for quantizing convolutional neural networks for inference with integer weights and activations. Per-channel quantization of weights and per-layer quantization of activations to 8-bits of precision…

Machine Learning · Computer Science 2018-06-22 Raghuraman Krishnamoorthi

Diffusion transformers have demonstrated remarkable performance in visual generation tasks, such as generating realistic images or videos based on textual instructions. However, larger model sizes and multi-frame processing for video…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Tianchen Zhao , Tongcheng Fang , Haofeng Huang , Enshu Liu , Rui Wan , Widyadewi Soedarmadji , Shiyao Li , Zinan Lin , Guohao Dai , Shengen Yan , Huazhong Yang , Xuefei Ning , Yu Wang

The transformer architectures with attention mechanisms have obtained success in Nature Language Processing (NLP), and Vision Transformers (ViTs) have recently extended the application domains to various vision tasks. While achieving high…

Machine Learning · Computer Science 2022-02-21 Mengshu Sun , Haoyu Ma , Guoliang Kang , Yifan Jiang , Tianlong Chen , Xiaolong Ma , Zhangyang Wang , Yanzhi Wang

Recent advancements in diffusion models, particularly the architectural transformation from UNet-based models to Diffusion Transformers (DiTs), significantly improve the quality and scalability of image and video generation. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Lei Chen , Yuan Meng , Chen Tang , Xinzhu Ma , Jingyan Jiang , Xin Wang , Zhi Wang , Wenwu Zhu

We present a framework for end-to-end joint quantization of Vision Transformers trained on ImageNet for the purpose of image classification. Unlike prior post-training or block-wise reconstruction methods, we jointly optimize over the…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Shile Li , Markus Karmann , Onay Urfalioglu

The majority of quantization methods have been proposed to reduce the model size of Vision Transformers, yet most of them have overlooked the quantization of non-linear operations. Only a few works have addressed quantization for non-linear…

Computer Vision and Pattern Recognition · Computer Science 2025-06-05 Gihwan Kim , Jemin Lee , Sihyeong Park , Yongin Kwon , Hyungshin Kim

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

How can we accurately quantize a pre-trained Vision Transformer model? Quantization algorithms compress Vision Transformers (ViTs) into low-bit formats, reducing memory and computation demands with minimal accuracy degradation. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Minjun Kim , Jaeri Lee , Jongjin Kim , Jeongin Yun , Yongmo Kwon , U Kang

Vision transformers have recently gained great success on various computer vision tasks; nevertheless, their high model complexity makes it challenging to deploy on resource-constrained devices. Quantization is an effective approach to…

Computer Vision and Pattern Recognition · Computer Science 2023-01-06 Zhikai Li , Liping Ma , Mengjuan Chen , Junrui Xiao , Qingyi Gu

Quantization Neural Networks (QNN) have attracted a lot of attention due to their high efficiency. To enhance the quantization accuracy, prior works mainly focus on designing advanced quantization algorithms but still fail to achieve…

Computer Vision and Pattern Recognition · Computer Science 2021-09-29 Mingzhu Shen , Feng Liang , Ruihao Gong , Yuhang Li , Chuming Li , Chen Lin , Fengwei Yu , Junjie Yan , Wanli Ouyang

Quantizing deep neural networks ,reducing the precision (bit-width) of their computations, can remarkably decrease memory usage and accelerate processing, making these models more suitable for large-scale medical imaging applications with…

Computer Vision and Pattern Recognition · Computer Science 2025-01-30 Chongyu Qu , Ritchie Zhao , Ye Yu , Bin Liu , Tianyuan Yao , Junchao Zhu , Bennett A. Landman , Yucheng Tang , Yuankai Huo

Data-free quantization (DFQ) is a technique that creates a lightweight network from its full-precision counterpart without the original training data, often through a synthetic dataset. Although several DFQ methods have been proposed for…

Machine Learning · Computer Science 2025-04-15 Kanghyun Choi , Hye Yoon Lee , Dain Kwon , SunJong Park , Kyuyeun Kim , Noseong Park , Jonghyun Choi , Jinho Lee

When considering post-training quantization, prior work has typically focused on developing a mixed precision scheme or learning the best way to partition a network for quantization. In our work, CPT-V, we look at a general way to improve…

Computer Vision and Pattern Recognition · Computer Science 2023-01-10 Natalia Frumkin , Dibakar Gope , Diana Marculescu

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

Post-training quantization (PTQ) for vision transformers (ViTs) has received increasing attention from both academic and industrial communities due to its minimal data needs and high time efficiency. However, many current methods fail to…

Computer Vision and Pattern Recognition · Computer Science 2025-02-05 Yunshan Zhong , You Huang , Jiawei Hu , Yuxin Zhang , Rongrong Ji

While Vision Transformers (ViTs) are extremely effective at computer vision tasks and are replacing convolutional neural networks as the new state-of-the-art, they are complex and memory-intensive models. In order to effectively run these…

Computer Vision and Pattern Recognition · Computer Science 2024-08-19 Kshitij Bhardwaj