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Vehicle re-identification (reID) aims at identifying vehicles across different non-overlapping cameras views. The existing methods heavily relied on well-labeled datasets for ideal performance, which inevitably causes fateful drop due to…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Jinjia Peng , Yang Wang , Huibing Wang , Zhao Zhang , Xianping Fu , Meng Wang

We present a remote sensing pipeline that processes LiDAR (Light Detection And Ranging) data through machine & deep learning for the application of archeological feature detection on big geo-spatial data platforms such as e.g. IBM PAIRS…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Conrad M Albrecht , Chris Fisher , Marcus Freitag , Hendrik F Hamann , Sharathchandra Pankanti , Florencia Pezzutti , Francesca Rossi

Monocular image-based 3D perception has become an active research area in recent years owing to its applications in autonomous driving. Approaches to monocular 3D perception including detection and tracking, however, often yield inferior…

Computer Vision and Pattern Recognition · Computer Science 2022-06-09 Longlong Jing , Ruichi Yu , Henrik Kretzschmar , Kang Li , Charles R. Qi , Hang Zhao , Alper Ayvaci , Xu Chen , Dillon Cower , Yingwei Li , Yurong You , Han Deng , Congcong Li , Dragomir Anguelov

Optical projection tomography (OPT) is a powerful tool for biomedical studies. It achieves 3D visualization of mesoscopic biological samples with high spatial resolution using conventional tomographic-reconstruction algorithms. However,…

Optics · Physics 2025-02-07 Yan Liu , Jonathan Dong , Thanh-an Pham , François Marelli , Michael Unser

Obtaining accurate depth measurements out of a single image represents a fascinating solution to 3D sensing. CNNs led to considerable improvements in this field, and recent trends replaced the need for ground-truth labels with…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Matteo Poggi , Fabio Tosi , Stefano Mattoccia

When taking images of some occluded content, one is often faced with the problem that every individual image frame contains unwanted artifacts, but a collection of images contains all relevant information if properly aligned and aggregated.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Monika Kwiatkowski , Simon Matern , Olaf Hellwich

Accurate 3D object detection is crucial to autonomous driving. Though LiDAR-based detectors have achieved impressive performance, the high cost of LiDAR sensors precludes their widespread adoption in affordable vehicles. Camera-based…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Yurong You , Cheng Perng Phoo , Carlos Andres Diaz-Ruiz , Katie Z Luo , Wei-Lun Chao , Mark Campbell , Bharath Hariharan , Kilian Q Weinberger

Active-stereo-based 3D shape measurement is crucial for various purposes, such as industrial inspection, reverse engineering, and medical systems, due to its strong ability to accurately acquire the shape of textureless objects. Active…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Ryo Furukawa , Kota Nishihara , Hiroshi Kawasaki

Reconstructing 3D assets from images has long required separate pipelines for geometry reconstruction, material estimation, and illumination recovery, each with distinct limitations and computational overhead. We present ReLi3D, the first…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Jan-Niklas Dihlmann , Mark Boss , Simon Donne , Andreas Engelhardt , Hendrik P. A. Lensch , Varun Jampani

As cameras are increasingly deployed in new application domains such as autonomous driving, performing 3D object detection on monocular images becomes an important task for visual scene understanding. Recent advances on monocular 3D object…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Xiaomeng Chu , Jiajun Deng , Yao Li , Zhenxun Yuan , Yanyong Zhang , Jianmin Ji , Yu Zhang

3D object detection has become an emerging task in autonomous driving scenarios. Previous works process 3D point clouds using either projection-based or voxel-based models. However, both approaches contain some drawbacks. The voxel-based…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Qingdong He , Zhengning Wang , Hao Zeng , Yijun Liu , Shuaicheng Liu , Bing Zeng

We tackle the problem of automatically reconstructing a complete 3D model of a scene from a single RGB image. This challenging task requires inferring the shape of both visible and occluded surfaces. Our approach utilizes viewer-centered,…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Daeyun Shin , Zhile Ren , Erik B. Sudderth , Charless C. Fowlkes

Projecting the point cloud on the 2D spherical range image transforms the LiDAR semantic segmentation to a 2D segmentation task on the range image. However, the LiDAR range image is still naturally different from the regular 2D RGB image;…

Computer Vision and Pattern Recognition · Computer Science 2021-09-09 Yiming Zhao , Lin Bai , Xinming Huang

High-fidelity 3D reconstruction of vehicle exteriors improves buyer confidence in online automotive marketplaces, but generating these models in cluttered dealership drive-throughs presents severe technical challenges. Unlike static-scene…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Nitin Kulkarni , Akhil Devarashetti , Charlie Cluss , Livio Forte , Philip Schneider , Chunming Qiao , Alina Vereshchaka

We propose a new system to visualize depth-dependent patterns and images on solid objects with complex geometry using multiple projectors. The system, despite consisting of conventional passive LCD projectors, is able to project different…

Computer Vision and Pattern Recognition · Computer Science 2016-09-13 Takuto Hirukawa , Marco Visentini-Scarzanella , Hiroshi Kawasaki , Ryo Furukawa , Shinsaku Hiura

Supervised learning methods to infer (hypothesize) depth of a scene from a single image require costly per-pixel ground-truth. We follow a geometric approach that exploits abundant stereo imagery to learn a model to hypothesize scene…

Computer Vision and Pattern Recognition · Computer Science 2019-06-20 Alex Wong , Byung-Woo Hong , Stefano Soatto

Accurate 6D pose estimation is essential for robotic manipulation in industrial environments. Existing pipelines typically rely on off-the-shelf object detectors followed by cropping and pose refinement, but their performance degrades under…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Jiaqi Hu , Hongli Xu , Junwen Huang , Peter KT Yu , Slobodan Ilic , Benjamin Busam

In this paper, we proposed to investigate unsupervised anomaly detection in Synthetic Aperture Radar (SAR) images. Our approach considers anomalies as abnormal patterns that deviate from their surroundings but without any prior knowledge of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-31 Max Muzeau , Chengfang Ren , Sébastien Angelliaume , Mihai Datcu , Jean-Philippe Ovarlez

In perspective cameras, images of a frontal-parallel 3D object preserve its aspect ratio invariant to its depth. Such an invariance is useful in photography but is unique to perspective projection. In this paper, we show that alternative…

Computer Vision and Pattern Recognition · Computer Science 2015-06-16 Wei Yang , Haiting Lin , Sing Bing Kang , Jingyi Yu

This work presents a systematic investigation into how alternative LiDAR-to-image projections affect metric place recognition when coupled with a state-of-the-art vision foundation model. We introduce a modular retrieval pipeline that…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Pierpaolo Serio , Giulio Pisaneschi , Andrea Dan Ryals , Vincenzo Infantino , Lorenzo Gentilini , Valentina Donzella , Lorenzo Pollini