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We propose a novel algorithm for quantizing continuous latent representations in trained models. Our approach applies to deep probabilistic models, such as variational autoencoders (VAEs), and enables both data and model compression. Unlike…

图像与视频处理 · 电气工程与系统科学 2020-09-09 Yibo Yang , Robert Bamler , Stephan Mandt

Recent diffusion-based extreme image compression methods have demonstrated remarkable performance at ultra-low bitrates. However, most approaches require training separate diffusion models for each target bitrate, resulting in substantial…

计算机视觉与模式识别 · 计算机科学 2026-03-19 Xinning Chai , Zhengxue Cheng , Xin Li , Rong Xie , Li Song

Although recent generative image compression methods have demonstrated impressive potential in optimizing the rate-distortion-perception trade-off, they still face the critical challenge of flexible rate adaption to diverse compression…

图像与视频处理 · 电气工程与系统科学 2025-07-22 Anqi Li , Feng Li , Yuxi Liu , Runmin Cong , Yao Zhao , Huihui Bai

Density estimation, compression and data generation are crucial tasks in artificial intelligence. Variational Auto-Encoders (VAEs) constitute a single framework to achieve these goals. Here, we present a novel class of generative models,…

机器学习 · 统计学 2021-07-07 Ioannis Gatopoulos , Jakub M. Tomczak

Great successes have been achieved using deep learning techniques for image super-resolution (SR) with fixed scales. To increase its real world applicability, numerous models have also been proposed to restore SR images with arbitrary scale…

图像与视频处理 · 电气工程与系统科学 2022-09-28 Zhihong Pan , Baopu Li , Dongliang He , Wenhao Wu , Errui Ding

Variational Autoencoders (VAEs) are powerful generative models capable of learning compact latent representations. However, conventional VAEs often generate relatively blurry images due to their assumption of an isotropic Gaussian latent…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Andrew Kiruluta

Recently deep learning-based image compression has shown the potential to outperform traditional codecs. However, most existing methods train multiple networks for multiple bit rates, which increase the implementation complexity. In this…

计算机视觉与模式识别 · 计算机科学 2021-01-01 Mohammad Akbari , Jie Liang , Jingning Han , Chengjie Tu

Recent research tries to extend image restoration capabilities from human perception to machine perception, thereby enhancing the performance of high-level vision tasks in degraded environments. These methods, primarily based on supervised…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Jiawei Wu , Zhi Jin

Vision Transformers (ViTs) have achieved state-of-the-art performance on various computer vision applications. However, these models have considerable storage and computational overheads, making their deployment and efficient inference on…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Zhikai Li , Qingyi Gu

Image Quality Assessment (IQA) constitutes a fundamental task within the field of computer vision, yet it remains an unresolved challenge, owing to the intricate distortion conditions, diverse image contents, and limited availability of…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Kangmin Xu , Liang Liao , Jing Xiao , Chaofeng Chen , Haoning Wu , Qiong Yan , Weisi Lin

Our work tackles the computational challenges of contrastive learning methods, particularly for the pretraining of Vision Transformers (ViTs). Despite the effectiveness of contrastive learning, the substantial computational resources…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Jinhong Lin , Cheng-En Wu , Yibing Wei , Pedro Morgado

Recently, vision transformer (ViT) based multimodal learning methods have been proposed to improve the robustness of face anti-spoofing (FAS) systems. However, there are still no works to explore the fundamental natures (\textit{e.g.},…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Zitong Yu , Rizhao Cai , Yawen Cui , Xin Liu , Yongjian Hu , Alex Kot

Transformer-based methods have shown impressive performance in low-level vision tasks, such as image super-resolution. However, we find that these networks can only utilize a limited spatial range of input information through attribution…

图像与视频处理 · 电气工程与系统科学 2023-03-21 Xiangyu Chen , Xintao Wang , Jiantao Zhou , Yu Qiao , Chao Dong

Experiments with trapped ions and neutral atoms typically employ optical modulators in order to control the phase, frequency, and amplitude of light directed to individual atoms. These elements are expensive, bulky, consume substantial…

Vision transformers in vision-language models typically use the same amount of compute for every image, regardless of whether it is simple or complex. We propose ICAR (Image Complexity-Aware Retrieval), an adaptive computation approach that…

信息检索 · 计算机科学 2026-01-16 Mikel Williams-Lekuona , Georgina Cosma

Vision transformers have shown great potential in various computer vision tasks owing to their strong capability to model long-range dependency using the self-attention mechanism. Nevertheless, they treat an image as a 1D sequence of visual…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Qiming Zhang , Yufei Xu , Jing Zhang , Dacheng Tao

Self-supervised pretrain techniques have been widely used to improve the downstream tasks' performance. However, real-world magnetic resonance (MR) studies usually consist of different sets of contrasts due to different acquisition…

图像与视频处理 · 电气工程与系统科学 2025-06-17 Badhan Kumar Das , Ajay Singh , Gengyan Zhao , Han Liu , Thomas J. Re , Dorin Comaniciu , Eli Gibson , Andreas Maier

This paper presents an N-gram context-based Swin Transformer for learned image compression. Our method achieves variable-rate compression with a single model. By incorporating N-gram context into the Swin Transformer, we overcome its…

图像与视频处理 · 电气工程与系统科学 2025-10-23 Priyanka Mudgal

Visual object tracking performance has been dramatically improved in recent years, but some severe challenges remain open, like distractors and occlusions. We suspect the reason is that the feature representations of the tracking targets…

计算机视觉与模式识别 · 计算机科学 2021-10-29 Mengmeng Wang , Xiaoqian Yang , Yong Liu

Vision Transformer (ViT)-based models have shown state-of-the-art performance (e.g., accuracy) in vision-based AI tasks. However, realizing their capability in resource-constrained embedded AI systems is challenging due to their inherent…

神经与进化计算 · 计算机科学 2026-01-06 Rachmad Vidya Wicaksana Putra , Saad Iftikhar , Muhammad Shafique