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We investigate the problem of learning category-specific 3D shape reconstruction from a variable number of RGB views of previously unobserved object instances. Most approaches for multiview shape reconstruction operate on sparse shape…

Computer Vision and Pattern Recognition · Computer Science 2019-12-10 Srinath Sridhar , Davis Rempe , Julien Valentin , Sofien Bouaziz , Leonidas J. Guibas

Despite recent advancements in the Large Reconstruction Model (LRM) demonstrating impressive results, when extending its input from single image to multiple images, it exhibits inefficiencies, subpar geometric and texture quality, as well…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Mengfei Li , Xiaoxiao Long , Yixun Liang , Weiyu Li , Yuan Liu , Peng Li , Wenhan Luo , Wenping Wang , Yike Guo

Detection Transformer (DETR) has redefined object detection by casting it as a set prediction task within an end-to-end framework. Despite its elegance, DETR and its variants still rely on fixed learnable queries and suffer from severe…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Zhengjian Kang , Jun Zhuang , Kangtong Mo , Qi Chen , Rui Liu , Ye Zhang

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

This paper presents LAPA (Look Around and Pay Attention), a novel end-to-end transformer-based architecture for multi-camera point tracking that integrates appearance-based matching with geometric constraints. Traditional pipelines decouple…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Bishoy Galoaa , Xiangyu Bai , Shayda Moezzi , Utsav Nandi , Sai Siddhartha Vivek Dhir Rangoju , Somaieh Amraee , Sarah Ostadabbas

3D object detection from visual sensors is a cornerstone capability of robotic systems. State-of-the-art methods focus on reasoning and decoding object bounding boxes from multi-view camera input. In this work we gain intuition from the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Dian Chen , Jie Li , Vitor Guizilini , Rares Ambrus , Adrien Gaidon

We propose a new 3D spatial understanding task of 3D Question Answering (3D-QA). In the 3D-QA task, models receive visual information from the entire 3D scene of the rich RGB-D indoor scan and answer the given textual questions about the 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Daichi Azuma , Taiki Miyanishi , Shuhei Kurita , Motoaki Kawanabe

Multiple object tracking and segmentation requires detecting, tracking, and segmenting objects belonging to a set of given classes. Most approaches only exploit the temporal dimension to address the association problem, while relying on…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Lei Ke , Xia Li , Martin Danelljan , Yu-Wing Tai , Chi-Keung Tang , Fisher Yu

The dominant multi-camera 3D detection paradigm is based on explicit 3D feature construction, which requires complicated indexing of local image-view features via 3D-to-2D projection. Other methods implicitly introduce geometric positional…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Shihao Wang , Xiaohui Jiang , Ying Li

Detecting objects in 3D space using multiple cameras, known as Multi-Camera 3D Object Detection (MC3D-Det), has gained prominence with the advent of bird's-eye view (BEV) approaches. However, these methods often struggle when faced with…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Hao Lu , Yunpeng Zhang , Qing Lian , Dalong Du , Yingcong Chen

We propose a method to detect and reconstruct multiple 3D objects from a single RGB image. The key idea is to optimize for detection, alignment and shape jointly over all objects in the RGB image, while focusing on realistic and physically…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Francis Engelmann , Konstantinos Rematas , Bastian Leibe , Vittorio Ferrari

With the rise of robotics, LiDAR-based 3D object detection has garnered significant attention in both academia and industry. However, existing datasets and methods predominantly focus on vehicle-mounted platforms, leaving other autonomous…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Ao Liang , Lingdong Kong , Dongyue Lu , Youquan Liu , Jian Fang , Huaici Zhao , Wei Tsang Ooi

Oriented object detection presents a challenging task due to the presence of object instances with multiple orientations, varying scales, and dense distributions. Recently, end-to-end detectors have made significant strides by employing…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Jiaqi Zhao , Zeyu Ding , Yong Zhou , Hancheng Zhu , Wenliang Du , Rui Yao , Abdulmotaleb El Saddik

Existing monocular 3D detectors typically tame the pronounced nonlinear regression of 3D bounding box through decoupled prediction paradigm, which employs multiple branches to estimate geometric center, depth, dimensions, and rotation angle…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Yifan Wang , Yian Zhao , Fanqi Pu , Xiaochen Yang , Yang Tang , Xi Chen , Wenming Yang

We present UniQueR, a unified query-based feedforward framework for efficient and accurate 3D reconstruction from unposed images. Existing feedforward models such as DUSt3R, VGGT, and AnySplat typically predict per-pixel point maps or…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Chensheng Peng , Quentin Herau , Jiezhi Yang , Yichen Xie , Yihan Hu , Wenzhao Zheng , Matthew Strong , Masayoshi Tomizuka , Wei Zhan

The recent advances in query-based multi-camera 3D object detection are featured by initializing object queries in the 3D space, and then sampling features from perspective-view images to perform multi-round query refinement. In such a…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Xiaomeng Chu , Jiajun Deng , Guoliang You , Yifan Duan , Yao Li , Yanyong Zhang

Existing view-based methods excel at recognizing 3D objects from predefined viewpoints, but their exploration of recognition under arbitrary views is limited. This is a challenging and realistic setting because each object has different…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Linlong Fan , Ye Huang , Yanqi Ge , Wen Li , Lixin Duan

Image-to-point cloud registration aims to determine the relative camera pose between an RGB image and a reference point cloud, serving as a general solution for locating 3D objects from 2D observations. Matching individual points with…

Computer Vision and Pattern Recognition · Computer Science 2024-01-19 Gongxin Yao , Yixin Xuan , Yiwei Chen , Yu Pan

Deep learning methods for Visual Place Recognition (VPR) have advanced significantly, largely driven by large-scale datasets. However, most existing approaches are trained on a single dataset, which can introduce dataset-specific inductive…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Jiuhong Xiao , Yang Zhou , Giuseppe Loianno

Object detection in 3D point clouds is a crucial task in a range of computer vision applications including robotics, autonomous cars, and augmented reality. This work addresses the object detection task in 3D point clouds using a highly…

Computer Vision and Pattern Recognition · Computer Science 2023-02-14 Sultan Abu Ghazal , Jean Lahoud , Rao Anwer