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Vector Quantized Variational Autoencoders (VQ-VAEs) are fundamental models that compress continuous visual data into discrete tokens. Existing methods have tried to improve the quantization strategy for better reconstruction quality,…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Mingkai Jia , Wei Yin , Xiaotao Hu , Jiaxin Guo , Xiaoyang Guo , Qian Zhang , Xiao-Xiao Long , Ping Tan

Although Multimodal Large Language Models (MLLMs) have shown remarkable potential in Visual Document Retrieval (VDR) through generating high-quality multi-vector embeddings, the substantial storage overhead caused by representing a page…

计算与语言 · 计算机科学 2026-04-17 Jiahao Huo , Yu Huang , Yibo Yan , Ye Pan , Kening Zheng , Wei-Chieh Huang , Yi Cao , Mingdong Ou , Philip S. Yu , Xuming Hu

The Visual Geometry Grounded Transformer (VGGT) enables strong feed-forward 3D reconstruction without per-scene optimization. However, its billion-parameter scale creates high memory and compute demands, hindering on-device deployment.…

硬件体系结构 · 计算机科学 2026-01-29 Yipu Zhang , Jintao Cheng , Xingyu Liu , Zeyu Li , Carol Jingyi Li , Jin Wu , Lin Jiang , Yuan Xie , Jiang Xu , Wei Zhang

In this paper, we propose a novel variable rate deep compression architecture that operates on raw 3D point cloud data. The majority of learning-based point cloud compression methods work on a downsampled representation of the data.…

计算机视觉与模式识别 · 计算机科学 2022-05-17 Md Ahmed Al Muzaddid , William J. Beksi

Variational Autoencoder (VAE) aims to compress pixel data into low-dimensional latent space, playing an important role in OpenAI's Sora and other latent video diffusion generation models. While most of existing video VAEs inflate a…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Pingyu Wu , Kai Zhu , Yu Liu , Liming Zhao , Wei Zhai , Yang Cao , Zheng-Jun Zha

Generative neural image compression supports data representation at extremely low bitrate, synthesizing details at the client and consistently producing highly realistic images. By leveraging the similarities between quantization error and…

图像与视频处理 · 电气工程与系统科学 2025-04-04 Lucas Relic , Roberto Azevedo , Yang Zhang , Markus Gross , Christopher Schroers

Adversarial patches are physically realizable localized noise, which are able to hijack Vision Transformers (ViT) self-attention, pulling focus toward a small, high-contrast region and corrupting the class token to force confident…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Nandish Chattopadhyay , Anadi Goyal , Chandan Karfa , Anupam Chattopadhyay

Variational Autoencoder (VAE), compressing videos into latent representations, is a crucial preceding component of Latent Video Diffusion Models (LVDMs). With the same reconstruction quality, the more sufficient the VAE's compression for…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Liuhan Chen , Zongjian Li , Bin Lin , Bin Zhu , Qian Wang , Shenghai Yuan , Xing Zhou , Xinhua Cheng , Li Yuan

Three-dimensional medical image segmentation is a fundamental yet computationally demanding task due to the cubic growth of voxel processing and the redundant computation on homogeneous regions. To address these limitations, we propose…

计算机视觉与模式识别 · 计算机科学 2026-01-09 Sen Zeng , Hong Zhou , Zheng Zhu , Yang Liu

Advances in 3D-aware generative models have pushed the boundary of image synthesis with explicit camera control. To achieve high-resolution image synthesis, several attempts have been made to design efficient generators, such as hybrid…

计算机视觉与模式识别 · 计算机科学 2023-04-03 Mallikarjun B R , Xingang Pan , Mohamed Elgharib , Christian Theobalt

Recent advances in text-to-image generative models have enabled numerous practical applications, including subject-driven generation, which fine-tunes pretrained models to capture subject semantics from only a few examples. While…

计算机视觉与模式识别 · 计算机科学 2025-07-31 Jiwoo Chung , Sangeek Hyun , Hyunjun Kim , Eunseo Koh , MinKyu Lee , Jae-Pil Heo

Autoregressive (AR) visual generation relies on tokenizers to map images to and from discrete sequences. However, tokenizers are trained to reconstruct clean images from ground-truth tokens, while AR generators are optimized only for token…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Xinyao Liao , Qiyuan He , Kai Xu , Xiaoye Qu , Yicong Li , Wei Wei , Angela Yao

Autoregressive (AR) models, long dominant in language generation, are increasingly applied to image synthesis but are often considered less competitive than Diffusion-based models. A primary limitation is the substantial number of image…

The vector quantization is a widely used method to map continuous representation to discrete space and has important application in tokenization for generative mode, bottlenecking information and many other tasks in machine learning. Vector…

机器学习 · 计算机科学 2024-10-15 Mingyuan Yan , Jiawei Wu , Rushi Shah , Dianbo Liu

Visual autoregressive modeling, based on the next-scale prediction paradigm, exhibits notable advantages in image quality and model scalability over traditional autoregressive and diffusion models. It generates images by progressively…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Zhuokun Chen , Jugang Fan , Zhuowei Yu , Bohan Zhuang , Mingkui Tan

Transformer based methods have achieved great success in image inpainting recently. However, we find that these solutions regard each pixel as a token, thus suffering from an information loss issue from two aspects: 1) They downsample the…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Qiankun Liu , Yuqi Jiang , Zhentao Tan , Dongdong Chen , Ying Fu , Qi Chu , Gang Hua , Nenghai Yu

Vision Transformers (ViTs) have achieved strong performance in visual recognition, yet their deployment in resource-constrained industrial environments remains limited. Some main challenges are their high computational cost, memory…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Phat Nguyen , Xue Geng , Kaixin Xu , Wang Zhe , Xulei Yang , Ngai-Man Cheung

Recent advancements in 3D generative modeling have significantly improved the generation realism, yet the field is still hampered by existing representations, which struggle to capture assets with complex topologies and detailed appearance.…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Jianfeng Xiang , Xiaoxue Chen , Sicheng Xu , Ruicheng Wang , Zelong Lv , Yu Deng , Hongyuan Zhu , Yue Dong , Hao Zhao , Nicholas Jing Yuan , Jiaolong Yang

Generative models have demonstrated strong performance in conditional settings and can be viewed as a form of data compression, where the condition serves as a compact representation. However, their limited controllability and…

机器学习 · 计算机科学 2025-07-04 Xiao Li , Liangji Zhu , Anand Rangarajan , Sanjay Ranka

Modern visual generative models acquire rich visual knowledge through large-scale training, yet existing visual representations (such as pixels, latents, or tokens) remain external to the model and cannot directly exploit this knowledge for…

机器学习 · 计算机科学 2026-05-25 Zongyu Guo , Jiajun He , Zhaoyang Jia , Xiaoyi Zhang , Jiahao Li , Xiao Li , Bin Li , José Miguel Hernández-Lobato , Yan Lu