English
Related papers

Related papers: Spark3R: Asymmetric Token Reduction Makes Fast Fee…

200 papers

Transformers-based methods have achieved significant performance in image deraining as they can model the non-local information which is vital for high-quality image reconstruction. In this paper, we find that most existing Transformers…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Xiang Chen , Hao Li , Mingqiang Li , Jinshan Pan

Fully convolutional networks have become the backbone of modern medical imaging due to their ability to learn multi-scale representations and perform end-to-end inference. Yet their potential for slice-to-volume reconstruction (SVR), the…

Image and Video Processing · Electrical Eng. & Systems 2026-01-13 Margherita Firenze , Sean I. Young , Clinton J. Wang , Hyuk Jin Yun , Elfar Adalsteinsson , Kiho Im , P. Ellen Grant , Polina Golland

Dense matching methods like DUSt3R regress pairwise pointmaps for 3D reconstruction. However, the reliance on pairwise prediction and the limited generalization capability inherently restrict the global geometric consistency. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Yuheng Yuan , Qiuhong Shen , Shizun Wang , Xingyi Yang , Xinchao Wang

3D understanding has drawn significant attention recently, leveraging Vision-Language Models (VLMs) to enable multi-modal reasoning between point cloud and text data. Current 3D-VLMs directly embed the 3D point clouds into 3D tokens,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Liheng Zhang , Jin Wang , Hui Li , Bingfeng Zhang , Weifeng Liu

Autoregressive models (ARMs) are hindered by slow sequential inference. While masked diffusion models (MDMs) offer a parallel alternative, they suffer from critical drawbacks: high computational overhead from precluding Key-Value (KV)…

Computation and Language · Computer Science 2026-03-06 Jia-Nan Li , Jian Guan , Wei Wu , Chongxuan Li

Novel view synthesis from monocular videos of dynamic scenes with unknown camera poses remains a fundamental challenge in computer vision and graphics. While recent advances in 3D representations such as Neural Radiance Fields (NeRF) and 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-11-10 Mengqi Guo , Bo Xu , Yanyan Li , Gim Hee Lee

Multimodal large language models are promising for clinical visual question answering tasks, but scaling to 3D imaging is hindered by high computational costs. Prior methods often rely on 2D slices or fixed-length token compression,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Chengyu Fang , Heng Guo , Zheng Jiang , Chunming He , Xiu Li , Minfeng Xu

Accurate Digital Surface Model (DSM) reconstruction from satellite imagery is critical for applications such as disaster response, urban planning, and large-scale geographic mapping. Existing approaches face a fundamental trade-off:…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Qiaoyi Yang , Chaoyi Zhou , Xi Liu , Run Wang , Minghui Xu , Mert D. Pesé , Feng Luo , Yuhao Xu , Zhi-Qi Cheng , Qiushi Chen , Hairong Qi , Siyu Huang

Streaming visual transformers like StreamVGGT achieve strong 3D perception but suffer from unbounded growth of key value (KV) memory, which limits scalability. We propose a training-free, inference-time token eviction policy that bounds…

Computer Vision and Pattern Recognition · Computer Science 2025-10-06 Soroush Mahdi , Fardin Ayar , Ehsan Javanmardi , Manabu Tsukada , Mahdi Javanmardi

We study 3D point cloud attribute compression using a volumetric approach: given a target volumetric attribute function $f : \mathbb{R}^3 \rightarrow \mathbb{R}$, we quantize and encode parameter vector $\theta$ that characterizes $f$ at…

Signal Processing · Electrical Eng. & Systems 2023-04-04 Tam Thuc Do , Philip A. Chou , Gene Cheung

Diffusion models have achieved impressive generative quality across modalities like 2D images, videos, and 3D shapes, but their inference remains computationally expensive due to the iterative denoising process. While recent caching-based…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Mengyu Yang , Yanming Yang , Chenyi Xu , Chenxi Song , Yufan Zuo , Tong Zhao , Ruibo Li , Chi Zhang

Visual Autoregressive (VAR) modeling inefficiently applies a fixed computational depth to each position when generating high-resolution images. While existing methods accelerate inference by pruning tokens using frequency maps, their binary…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Chunliang Li , Tianze Cao , Sanyuan Zhao

Recent advances in DUSt3R have enabled robust estimation of dense point clouds and camera parameters of static scenes, leveraging Transformer network architectures and direct supervision on large-scale 3D datasets. In contrast, the limited…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Xingyu Chen , Yue Chen , Yuliang Xiu , Andreas Geiger , Anpei Chen

Diffusion Transformers (DiTs) excel at visual generation yet remain hampered by slow sampling. Existing training-free accelerators - step reduction, feature caching, and sparse attention - enhance inference speed but typically rely on a…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Wangbo Zhao , Yizeng Han , Zhiwei Tang , Jiasheng Tang , Pengfei Zhou , Kai Wang , Bohan Zhuang , Zhangyang Wang , Fan Wang , Yang You

Scaling up autoregressive models in vision has not proven as beneficial as in large language models. In this work, we investigate this scaling problem in the context of text-to-image generation, focusing on two critical factors: whether…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Lijie Fan , Tianhong Li , Siyang Qin , Yuanzhen Li , Chen Sun , Michael Rubinstein , Deqing Sun , Kaiming He , Yonglong Tian

High-quality textures are critical for realistic 3D content creation, yet existing generative methods are slow, rely on UV maps, and often fail to remain faithful to a reference image. To address these challenges, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2025-09-08 Arianna Rampini , Kanika Madan , Bruno Roy , AmirHossein Zamani , Derek Cheung

In this paper, we introduce NAS3R, a self-supervised feed-forward framework that jointly learns explicit 3D geometry and camera parameters with no ground-truth annotations and no pretrained priors. During training, NAS3R reconstructs 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Ranran Huang , Weixun Luo , Ye Mao , Krystian Mikolajczyk

High-resolution imagery is essential for accurate 3D reconstruction, as many geometric details only emerge at fine spatial scales. Recent feed-forward approaches, such as the Visual Geometry Grounded Transformer (VGGT), have demonstrated…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Tianrun Chen , Yuanqi Hu , Yidong Han , Hanjie Xu , Deyi Ji , Qi Zhu , Chunan Yu , Xin Zhang , Cheng Chen , Chaotao Ding , Ying Zang , Xuanfu Li , Jin Ma , Lanyun Zhu

Hand-object 3D reconstruction has become increasingly important for applications in human-robot interaction and immersive AR/VR experiences. A common approach for object-agnostic hand-object reconstruction from RGB sequences involves a…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Anilkumar Swamy , Vincent Leroy , Philippe Weinzaepfel , Jean-Sébastien Franco , Grégory Rogez

Visual Autoregressive (VAR) models enable efficient image generation via next-scale prediction but face escalating computational costs as sequence length grows. Existing static pruning methods degrade performance by permanently removing…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Kaixin Zhang , Ruiqing Yang , Yuan Zhang , Shan You , Tao Huang