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We present Wid3R, a feed-forward neural network for multi-view visual geometry reconstruction that supports wide field-of-view camera models. Unlike existing methods that assume rectified or pinhole inputs, Wid3R directly models wide-angle…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Dongki Jung , Jaehoon Choi , Adil Qureshi , Somi Jeong , Dinesh Manocha , Suyong Yeon

In class incremental learning (CIL) setting, groups of classes are introduced to a model in each learning phase. The goal is to learn a unified model performant on all the classes observed so far. Given the recent popularity of Vision…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Abdelrahman Mohamed , Rushali Grandhe , K J Joseph , Salman Khan , Fahad Khan

Recurrent neural networks are effective models to process sequences. However, they are unable to learn long-term dependencies because of their inherent sequential nature. As a solution, Vaswani et al. introduced the Transformer, a model…

Machine Learning · Computer Science 2023-03-28 Quentin Fournier , Gaétan Marceau Caron , Daniel Aloise

Monocular scene reconstruction from posed images is challenging due to the complexity of a large environment. Recent volumetric methods learn to directly predict the TSDF volume and have demonstrated promising results in this task. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Weihao Yuan , Xiaodong Gu , Heng Li , Zilong Dong , Siyu Zhu

Despite recent advancements in surface reconstruction, Level of Detail (LoD) 3 building reconstruction remains an unresolved challenge. The main issue pertains to the object-oriented modelling paradigm, which requires georeferencing,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Wenzhao Tang , Weihang Li , Xiucheng Liang , Olaf Wysocki , Filip Biljecki , Christoph Holst , Boris Jutzi

Generative models for Image Super-Resolution (SR) are increasingly powerful, yet their reliance on self-attention's quadratic complexity (O(N^2)) creates a major computational bottleneck. Linear Attention offers an O(N) solution, but its…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Xiaohui Li , Shaobin Zhuang , Shuo Cao , Yang Yang , Yuandong Pu , Qi Qin , Siqi Luo , Bin Fu , Yihao Liu

We present Pow3r, a novel large 3D vision regression model that is highly versatile in the input modalities it accepts. Unlike previous feed-forward models that lack any mechanism to exploit known camera or scene priors at test time, Pow3r…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Wonbong Jang , Philippe Weinzaepfel , Vincent Leroy , Lourdes Agapito , Jerome Revaud

This paper addresses metric 3D reconstruction of indoor scenes by exploiting their inherent geometric regularities with compact representations. Using planar 3D primitives - a well-suited representation for man-made environments - we…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Changkun Liu , Bin Tan , Zeran Ke , Shangzhan Zhang , Jiachen Liu , Ming Qian , Nan Xue , Yujun Shen , Tristan Braud

Imitation Learning can train robots to perform complex and diverse manipulation tasks, but learned policies are brittle with observations outside of the training distribution. 3D scene representations that incorporate observations from…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Albert Wilcox , Mohamed Ghanem , Masoud Moghani , Pierre Barroso , Benjamin Joffe , Animesh Garg

Multi-view transformers such as DUSt3R are revolutionizing 3D vision by solving 3D tasks in a feed-forward manner. However, contrary to previous optimization-based pipelines, the inner mechanisms of multi-view transformers are unclear.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Michal Stary , Julien Gaubil , Ayush Tewari , Vincent Sitzmann

To reduce user costs and maximize cluster utilization, large model training increasingly leverages volatile but inexpensive GPU capacity, such as spot instances and reclaimable resources in shared clusters. Yet, capitalizing on these…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-22 Haoyuan Liu , Kairui Zhou , Shuyao Qi , Qinwei Yang , Shengkai Lin , Shizhen Zhao , Wei Zhang

The adoption of Vision Transformers (ViTs) based architectures represents a significant advancement in 3D Medical Image (MI) segmentation, surpassing traditional Convolutional Neural Network (CNN) models by enhancing global contextual…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Shehan Perera , Pouyan Navard , Alper Yilmaz

Linear-attention models that compress the entire input sequence into a fixed-size recurrent state offer an efficient alternative to Transformers, but their finite memory induces forgetfulness that harms retrieval-intensive tasks. To…

Computation and Language · Computer Science 2025-10-27 Mutian He , Philip N. Garner

We propose Lizard, a linearization framework that transforms pretrained Transformer-based Large Language Models (LLMs) into subquadratic architectures. Transformers faces severe computational and memory bottlenecks with long sequences due…

3D vision foundation models like Visual Geometry Grounded Transformer (VGGT) have advanced greatly in geometric perception. However, it is time-consuming and memory-intensive for long sequences, limiting application to large-scale scenes…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Zhijian Shu , Cheng Lin , Tao Xie , Wei Yin , Ben Li , Zhiyuan Pu , Weize Li , Yao Yao , Xun Cao , Xiaoyang Guo , Xiao-Xiao Long

Vision Transformer (ViT) self-attention mechanism is characterized by feature collapse in deeper layers, resulting in the vanishing of low-level visual features. However, such features can be helpful to accurately represent and identify…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Anxhelo Diko , Danilo Avola , Marco Cascio , Luigi Cinque

Vision Transformer (ViT) has recently demonstrated promise in computer vision problems. However, unlike Convolutional Neural Networks (CNN), it is known that the performance of ViT saturates quickly with depth increasing, due to the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-14 Peihao Wang , Wenqing Zheng , Tianlong Chen , Zhangyang Wang

Recent DEtection TRansformer-based (DETR) models have obtained remarkable performance. Its success cannot be achieved without the re-introduction of multi-scale feature fusion in the encoder. However, the excessively increased tokens in…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Feng Li , Ailing Zeng , Shilong Liu , Hao Zhang , Hongyang Li , Lei Zhang , Lionel M. Ni

Diffusion transformer-based video generation models (DiTs) have recently attracted widespread attention for their excellent generation quality. However, their computational cost remains a major bottleneck-attention alone accounts for over…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Xuan Shen , Chenxia Han , Yufa Zhou , Yanyue Xie , Yifan Gong , Quanyi Wang , Yiwei Wang , Yanzhi Wang , Pu Zhao , Jiuxiang Gu

Large language models have demonstrated remarkable performance; however, their massive parameter counts make deployment highly expensive. Low-rank approximation offers a promising compression solution, yet existing approaches have two main…

Computation and Language · Computer Science 2026-05-14 Jeffrey T. H. Wong , Cheng Zhang , Xinye Cao , Pedro Gimenes , Christos-Savvas Bouganis , George A. Constantinides , Wayne Luk , Yiren Zhao