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In remote sensing there exists a common need for learning scale invariant shapes of objects like buildings. Prior works relies on tweaking multiple loss functions to convert segmentation maps into the final scale invariant representation,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Maxim Khomiakov , Michael Riis Andersen , Jes Frellsen

Recent advances in fMRI-based visual decoding have enabled compelling reconstructions of perceived images. However, most approaches rely on subject-specific training, limiting scalability and practical deployment. We introduce…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Chenqian Le , Yilin Zhao , Nikasadat Emami , Kushagra Yadav , Xujin "Chris" Liu , Xupeng Chen , Yao Wang

Inspired by the recent advance of image-based object reconstruction using deep learning, we present an active reconstruction model using a guided view planner. We aim to reconstruct a 3D model using images observed from a planned sequence…

Computer Vision and Pattern Recognition · Computer Science 2018-05-09 Xin Yang , Yuanbo Wang , Yaru Wang , Baocai Yin , Qiang Zhang , Xiaopeng Wei , Hongbo Fu

3D object recognition accuracy can be improved by learning the multi-scale spatial features from 3D spatial geometric representations of objects such as point clouds, 3D models, surfaces, and RGB-D data. Current deep learning approaches…

Computer Vision and Pattern Recognition · Computer Science 2019-05-07 Sambit Ghadai , Xian Lee , Aditya Balu , Soumik Sarkar , Adarsh Krishnamurthy

Recently, 3D shape understanding has achieved significant progress due to the advances of deep learning models on various data formats like images, voxels, and point clouds. Among them, point clouds and multi-view images are two…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Xinwei He , Silin Cheng , Dingkang Liang , Song Bai , Xi Wang , Yingying Zhu

Vision transformers are effective deep learning models for vision tasks, including medical image segmentation. However, they lack efficiency and translational invariance, unlike convolutional neural networks (CNNs). To model long-range…

Image and Video Processing · Electrical Eng. & Systems 2023-08-15 Liam Chalcroft , Ruben Lourenço Pereira , Mikael Brudfors , Andrew S. Kayser , Mark D'Esposito , Cathy J. Price , Ioannis Pappas , John Ashburner

Shape reconstruction from imaging volumes is a recurring need in medical image analysis. Common workflows start with a segmentation step, followed by careful post-processing and,finally, ad hoc meshing algorithms. As this sequence can be…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Antonio Pepe , Richard Schussnig , Jianning Li , Christina Gsaxner , Dieter Schmalstieg , Jan Egger

We propose a transformer-based neural network architecture for multi-object 3D reconstruction from RGB videos. It relies on two alternative ways to represent its knowledge: as a global 3D grid of features and an array of view-specific 2D…

Computer Vision and Pattern Recognition · Computer Science 2022-08-29 Michał J. Tyszkiewicz , Kevis-Kokitsi Maninis , Stefan Popov , Vittorio Ferrari

Feedforward geometric foundation models achieve strong short-window reconstruction, yet scaling them to minutes-long videos is bottlenecked by quadratic attention complexity or limited effective memory in recurrent designs. We present LoGeR…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Junyi Zhang , Charles Herrmann , Junhwa Hur , Chen Sun , Ming-Hsuan Yang , Forrester Cole , Trevor Darrell , Deqing Sun

This paper presents a novel latent 3D diffusion model for the generation of neural voxel fields, aiming to achieve accurate part-aware structures. Compared to existing methods, there are two key designs to ensure high-quality and accurate…

Computer Vision and Pattern Recognition · Computer Science 2025-05-05 Yuhang Huang , SHilong Zou , Xinwang Liu , Kai Xu

Recently, learning-based approaches for 3D reconstruction from 2D images have gained popularity due to its modern applications, e.g., 3D printers, autonomous robots, self-driving cars, virtual reality, and augmented reality. The computer…

Computer Vision and Pattern Recognition · Computer Science 2020-08-12 Andrey Salvi , Nathan Gavenski , Eduardo Pooch , Felipe Tasoniero , Rodrigo Barros

Transformer-based 3D reconstruction has emerged as a powerful paradigm for recovering geometry and appearance from multi-view observations, offering strong performance across challenging visual conditions. As these models scale to larger…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Haoyu Zhang , Zeyu Zhang , Zedong Zhou , Yang Zhao , Hao Tang

Many adaptations of transformers have emerged to address the single-modal vision tasks, where self-attention modules are stacked to handle input sources like images. Intuitively, feeding multiple modalities of data to vision transformers…

Computer Vision and Pattern Recognition · Computer Science 2022-07-18 Yikai Wang , Xinghao Chen , Lele Cao , Wenbing Huang , Fuchun Sun , Yunhe Wang

Transformers have shown great potential in computer vision tasks. A common belief is their attention-based token mixer module contributes most to their competence. However, recent works show the attention-based module in Transformers can be…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Weihao Yu , Mi Luo , Pan Zhou , Chenyang Si , Yichen Zhou , Xinchao Wang , Jiashi Feng , Shuicheng Yan

Transformer is a ubiquitous model for natural language processing and has attracted wide attentions in computer vision. The attention maps are indispensable for a transformer model to encode the dependencies among input tokens. However,…

Machine Learning · Computer Science 2021-02-26 Yujing Wang , Yaming Yang , Jiangang Bai , Mingliang Zhang , Jing Bai , Jing Yu , Ce Zhang , Gao Huang , Yunhai Tong

Query-based transformer has shown great potential in constructing long-range attention in many image-domain tasks, but has rarely been considered in LiDAR-based 3D object detection due to the overwhelming size of the point cloud data. In…

Computer Vision and Pattern Recognition · Computer Science 2022-09-14 Zixiang Zhou , Xiangchen Zhao , Yu Wang , Panqu Wang , Hassan Foroosh

We propose VisFusion, a visibility-aware online 3D scene reconstruction approach from posed monocular videos. In particular, we aim to reconstruct the scene from volumetric features. Unlike previous reconstruction methods which aggregate…

Computer Vision and Pattern Recognition · Computer Science 2023-04-24 Huiyu Gao , Wei Mao , Miaomiao Liu

Most existing multimodality methods use separate backbones for autoregression-based discrete text generation and diffusion-based continuous visual generation, or the same backbone by discretizing the visual data to use autoregression for…

Computer Vision and Pattern Recognition · Computer Science 2024-09-25 Chuyang Zhao , Yuxing Song , Wenhao Wang , Haocheng Feng , Errui Ding , Yifan Sun , Xinyan Xiao , Jingdong Wang

Generalizable neural surface reconstruction techniques have attracted great attention in recent years. However, they encounter limitations of low confidence depth distribution and inaccurate surface reasoning due to the oversimplified…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Yixun Liang , Hao He , Ying-cong Chen

View-based methods have demonstrated promising performance in 3D shape understanding. However, they tend to make strong assumptions about the relations between views or learn the multi-view correlations indirectly, which limits the…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Hongyu Sun , Yongcai Wang , Peng Wang , Haoran Deng , Xudong Cai , Deying Li