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Current image tokenization methods require a large number of tokens to capture the information contained within images. Although the amount of information varies across images, most image tokenizers only support fixed-length tokenization,…

计算机视觉与模式识别 · 计算机科学 2025-01-20 Keita Miwa , Kento Sasaki , Hidehisa Arai , Tsubasa Takahashi , Yu Yamaguchi

Stable Diffusion has achieved remarkable success in the field of text-to-image generation, with its powerful generative capabilities and diverse generation results making a lasting impact. However, its iterative denoising introduces high…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Evelyn Zhang , Bang Xiao , Jiayi Tang , Qianli Ma , Chang Zou , Xuefei Ning , Xuming Hu , Linfeng Zhang

Real-time transmission of video over wireless networks remains highly challenging, even with advanced deep models, particularly under severe channel conditions such as limited bandwidth and weak connectivity. In this paper, we propose…

信息论 · 计算机科学 2025-10-30 Zhenyu Liu , Yi Ma , Rahim Tafazolli , Zhi Ding

Attention mechanism has been crucial for image diffusion models, however, their quadratic computational complexity limits the sizes of images we can process within reasonable time and memory constraints. This paper investigates the…

计算机视觉与模式识别 · 计算机科学 2024-05-09 Ethan Smith , Nayan Saxena , Aninda Saha

Distributed Image Compression (DIC) is crucial for multi-view transmission, especially when operating at extremely low bitrates (< 0.1 bpp). Its core challenge is effectively utilizing side information to achieve high-quality reconstruction…

计算机视觉与模式识别 · 计算机科学 2026-05-22 Guojun Xu , Mingyang Zhang , Jianwen Xiang , Cheng Tan , Yanchao Yang , Junwei Zhou

Abstract Modern image generation (IG) models have been shown to capture rich semantics valuable for image understanding (IU) tasks. However, the potential of IU models to improve IG performance remains uncharted. We address this issue using…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Luting Wang , Yang Zhao , Zijian Zhang , Jiashi Feng , Si Liu , Bingyi Kang

Multimodal Large Language Models (MLLMs) have demonstrated exceptional capabilities in processing vision-language tasks. One of the crux of MLLMs lies in vision tokenization, which involves efficiently transforming input visual signals into…

计算机视觉与模式识别 · 计算机科学 2025-02-27 Shengqiong Wu , Hao Fei , Xiangtai Li , Jiayi Ji , Hanwang Zhang , Tat-Seng Chua , Shuicheng Yan

Efficiently representing audio signals in a compressed latent space is critical for latent generative modelling. However, existing autoencoders often force a choice between continuous embeddings and discrete tokens. Furthermore, achieving…

声音 · 计算机科学 2025-09-15 Marco Pasini , Stefan Lattner , George Fazekas

Skeletonization extracts thin representations from images that compactly encode their geometry and topology. These representations have become an important topological prior for preserving connectivity in curvilinear structures, aiding…

图像与视频处理 · 电气工程与系统科学 2025-03-11 Luis D. Reyes Vargas , Martin J. Menten , Johannes C. Paetzold , Nassir Navab , Mohammad Farid Azampour

Tokenizer, serving as a translator to map the intricate visual data into a compact latent space, lies at the core of visual generative models. Based on the finding that existing tokenizers are tailored to image or video inputs, this paper…

计算机视觉与模式识别 · 计算机科学 2024-06-14 Junke Wang , Yi Jiang , Zehuan Yuan , Binyue Peng , Zuxuan Wu , Yu-Gang Jiang

Vision transformers have been widely explored in various vision tasks. Due to heavy computational cost, much interest has aroused for compressing vision transformer dynamically in the aspect of tokens. Current methods mainly pay attention…

计算机视觉与模式识别 · 计算机科学 2025-06-09 Fanhu Zeng , Deli Yu , Zhenglun Kong , Hao Tang

Traditional image codecs emphasize signal fidelity and human perception, often at the expense of machine vision tasks. Deep learning methods have demonstrated promising coding performance by utilizing rich semantic embeddings optimized for…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Sha Guo , Zhuo Chen , Yang Zhao , Ning Zhang , Xiaotong Li , Lingyu Duan

While recent neural codecs achieve strong performance at low bitrates when optimized for perceptual quality, their effectiveness deteriorates significantly under ultra-low bitrate conditions. To mitigate this, generative compression methods…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Chuqin Zhou , Xiaoyue Ling , Yunuo Chen , Jincheng Dai , Guo Lu , Wenjun Zhang

Low-rank tensor estimation offers a powerful approach to addressing high-dimensional data challenges and can substantially improve solutions to ill-posed inverse problems, such as image reconstruction under noisy or undersampled conditions.…

机器学习 · 计算机科学 2025-02-06 Anh Van Nguyen , Diego Klabjan , Minseok Ryu , Kibaek Kim , Zichao Di

We present a novel 3D shape completion framework that unifies multimodal conditioning, leveraging both 2D images and 3D partial scans through a latent diffusion model. Shapes are represented as Truncated Signed Distance Functions (TSDFs)…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Simon Schaefer , Juan D. Galvis , Xingxing Zuo , Stefan Leutengger

Diffusion-based image compression has shown remarkable potential for achieving ultra-low bitrate coding (less than 0.05 bits per pixel) with high realism, by leveraging the generative priors of large pre-trained text-to-image diffusion…

图像与视频处理 · 电气工程与系统科学 2025-06-30 Tianyu Zhang , Xin Luo , Li Li , Dong Liu

Image-based single-modality compression learning approaches have demonstrated exceptionally powerful encoding and decoding capabilities in the past few years , but suffer from blur and severe semantics loss at extremely low bitrates. To…

图像与视频处理 · 电气工程与系统科学 2023-04-27 Xuhao Jiang , Weimin Tan , Tian Tan , Bo Yan , Liquan Shen

Transformer-based deep neural networks have achieved remarkable success across various computer vision tasks, largely attributed to their long-range self-attention mechanism and scalability. However, most transformer architectures embed…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Muyi Bao , Changyu Zeng , Yifan Wang , Zhengni Yang , Zimu Wang , Guangliang Cheng , Jun Qi , Wei Wang

In the field of medical images, although various works find Swin Transformer has promising effectiveness on pixelwise dense prediction, whether pre-training these models without using extra dataset can further boost the performance for the…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Xinrong Hu , Dewen Zeng , Yawen Wu , Xueyang Li , Yiyu Shi

Token-based video representation has emerged as a promising approach for enabling large language models (LLMs) to interpret video content. However, existing token reduction techniques, such as pruning and merging, often disrupt essential…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Haichao Zhang , Yun Fu