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Post-training quantization (PTQ) has stood out as a cost-effective and promising model compression paradigm in recent years, as it avoids computationally intensive model retraining. Nevertheless, current PTQ methods for Vision Transformers…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Zhuguanyu Wu , Shihe Wang , Jiayi Zhang , Jiaxin Chen , Yunhong Wang

Diffusion models have transformed image synthesis by establishing unprecedented quality and creativity benchmarks. Nevertheless, their large-scale deployment faces challenges due to computationally intensive iterative denoising processes.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Songwei Liu , Chao Zeng , Chenqian Yan , Xurui Peng , Xing Wang , Fangmin Chen , Xing Mei

In the era of large-scale language models, the substantial parameter size poses significant challenges for deployment. Being a prevalent compression technique, quantization has emerged as the mainstream practice to tackle this issue, which…

Computation and Language · Computer Science 2023-08-31 Qingyuan Li , Yifan Zhang , Liang Li , Peng Yao , Bo Zhang , Xiangxiang Chu , Yerui Sun , Li Du , Yuchen Xie

Quantization-aware training (QAT) and Knowledge Distillation (KD) are combined to achieve competitive performance in creating low-bit deep learning models. Existing KD and QAT works focus on improving the accuracy of quantized models from…

Machine Learning · Computer Science 2025-09-05 Justin Kur , Kaiqi Zhao

State-space models (SSMs) have recently gained attention in deep learning for their ability to efficiently model long-range dependencies, making them promising candidates for edge-AI applications. In this paper, we analyze the effects of…

Machine Learning · Computer Science 2025-06-17 Leo Zhao , Tristan Torchet , Melika Payvand , Laura Kriener , Filippo Moro

Recently, transformer has achieved remarkable performance on a variety of computer vision applications. Compared with mainstream convolutional neural networks, vision transformers are often of sophisticated architectures for extracting…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Zhenhua Liu , Yunhe Wang , Kai Han , Siwei Ma , Wen Gao

Large language models (LLMs) have shown remarkable performance in various domains, but they are constrained by massive computational and storage costs. Quantization, an effective technique for compressing models to fit resource-limited…

Computation and Language · Computer Science 2026-04-14 Han Liu , Haotian Gao , Xiaotong Zhang , Changya Li , Feng Zhang , Wei Wang , Fenglong Ma , Hong Yu

Post-Training Quantization (PTQ) reduces the memory footprint and computational overhead of deep neural networks by converting full-precision (FP) values into quantized and compressed data types. While PTQ is more cost-efficient than…

Computer Vision and Pattern Recognition · Computer Science 2025-10-08 Ali Zoljodi , Radu Timofte , Masoud Daneshtalab

As Large Language Models (LLMs) become increasingly computationally complex, developing efficient deployment strategies, such as quantization, becomes crucial. State-of-the-art Post-training Quantization (PTQ) techniques often rely on…

Machine Learning · Computer Science 2025-01-17 Alireza Ghaffari , Sharareh Younesian , Boxing Chen , Vahid Partovi Nia , Masoud Asgharian

Post-training quantization (PTQ) reduces a model's memory footprint by mapping full precision weights into low bit weights without costly retraining, but can degrade its downstream performance especially in low 2- to 3-bit settings. We…

Machine Learning · Computer Science 2025-07-18 Hanqi Xiao , Yi-Lin Sung , Elias Stengel-Eskin , Mohit Bansal

Quantization is essential for reducing the computational cost and memory usage of deep neural networks, enabling efficient inference on low-precision hardware. Despite the growing adoption of uniform and floating-point quantization schemes,…

Machine Learning · Statistics 2026-05-19 Mehmet Aktukmak , Daniel Huang , Ke Ding

Quantization has become a crucial step for the efficient deployment of deep neural networks, where floating point operations are converted to simpler fixed point operations. In its most naive form, it simply consists in a combination of…

Machine Learning · Computer Science 2023-08-16 Edouard Yvinec , Arnaud Dapogny , Kevin Bailly

Data-Free Quantization (DFQ) enables the quantization of Vision Transformers (ViTs) without requiring access to data, allowing for the deployment of ViTs on devices with limited resources. In DFQ, the quantization model must be calibrated…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Yujia Tong , Jingling Yuan , Tian Zhang , Jianquan Liu , Chuang Hu

Post-training Quantization (PTQ) has become a widely used technique for improving inference efficiency of large language models (LLMs). However, existing PTQ methods generally suffer from crucial limitations such as heavy calibration data…

Machine Learning · Computer Science 2025-11-03 Yongyi Yang , Jianyang Gao , Wei Hu

Fine-tuning pre-trained diffusion models under limited budgets has gained great success. In particular, the recent advances that directly fine-tune the quantized weights using Low-rank Adaptation (LoRA) further reduces training costs.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Hang Guo , Yawei Li , Tao Dai , Shu-Tao Xia , Luca Benini

We propose a novel talking head synthesis pipeline called "DiT-Head", which is based on diffusion transformers and uses audio as a condition to drive the denoising process of a diffusion model. Our method is scalable and can generalise to…

Artificial Intelligence · Computer Science 2023-12-12 Aaron Mir , Eduardo Alonso , Esther Mondragón

Diffusion Transformers (DiTs) deliver state-of-the-art generative performance but their quadratic training cost with sequence length makes large-scale pretraining prohibitively expensive. Token dropping can reduce training cost, yet na\"ive…

Computer Vision and Pattern Recognition · Computer Science 2026-01-12 Dogyun Park , Moayed Haji-Ali , Yanyu Li , Willi Menapace , Sergey Tulyakov , Hyunwoo J. Kim , Aliaksandr Siarohin , Anil Kag

Recent high-performance transformer-based speech enhancement models demonstrate that time domain methods could achieve similar performance as time-frequency domain methods. However, time-domain speech enhancement systems typically receive…

Sound · Computer Science 2023-10-31 Junhui Li , Pu Wang , Jialu Li , Xinzhe Wang , Youshan Zhang

Diffusion Transformers (DiTs) achieve superior image generation quality but suffer from quadratic computational complexity relative to token count. While various token reduction (TR) methods have been proposed to mitigate this cost, they…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Hangyeol Lee , Hyojeong Lee , Joo-Young Kim

Diffusion Transformer (DiT), an emerging diffusion model for image generation, has demonstrated superior performance but suffers from substantial computational costs. Our investigations reveal that these costs stem from the static inference…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Wangbo Zhao , Yizeng Han , Jiasheng Tang , Kai Wang , Yibing Song , Gao Huang , Fan Wang , Yang You