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In this paper, we propose a ground-based monocular UAV localisation system that detects and localises an LED marker attached to the underside of a UAV. Our system removes the need for extensive infrastructure and calibration unlike existing…

Robotics · Computer Science 2023-11-07 Xueyan Oh , Ryan Lim , Leonard Loh , Chee How Tan , Shaohui Foong , U-Xuan Tan

We present a method to infer 3D pose and shape of vehicles from a single image. To tackle this ill-posed problem, we optimize two-scale projection consistency between the generated 3D hypotheses and their 2D pseudo-measurements.…

Computer Vision and Pattern Recognition · Computer Science 2019-01-14 Tong He , Stefano Soatto

Dense depth estimation from a single image is a key problem in computer vision, with exciting applications in a multitude of robotic tasks. Initially viewed as a direct regression problem, requiring annotated labels as supervision at…

Computer Vision and Pattern Recognition · Computer Science 2019-11-20 Vitor Guizilini , Jie Li , Rares Ambrus , Sudeep Pillai , Adrien Gaidon

Current state-of-the-art methods for object detection rely on annotated bounding boxes of large data sets for training. However, obtaining such annotations is expensive and can require up to hundreds of hours of manual labor. This poses a…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Hannah Kniesel , Leon Sick , Tristan Payer , Tim Bergner , Kavitha Shaga Devan , Clarissa Read , Paul Walther , Timo Ropinski

In this paper we propose an approach for monocular 3D object detection from a single RGB image, which leverages a novel disentangling transformation for 2D and 3D detection losses and a novel, self-supervised confidence score for 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-05-30 Andrea Simonelli , Samuel Rota Rota Bulò , Lorenzo Porzi , Manuel López-Antequera , Peter Kontschieder

Weakly supervised object localization (WSOL) is one of the most popular and challenging tasks in computer vision. This task is to localize the objects in the images given only the image-level supervision. Recently, dividing WSOL into two…

Computer Vision and Pattern Recognition · Computer Science 2023-08-14 Rui Xu , Yong Luo , Han Hu , Bo Du , Jialie Shen , Yonggang Wen

3D scene understanding, e.g., point cloud semantic and instance segmentation, often requires large-scale annotated training data, but clearly, point-wise labels are too tedious to prepare. While some recent methods propose to train a 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Zhengzhe Liu , Xiaojuan Qi , Chi-Wing Fu

Although cameras are ubiquitous, robotic platforms typically rely on active sensors like LiDAR for direct 3D perception. In this work, we propose a novel self-supervised monocular depth estimation method combining geometry with a new deep…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Vitor Guizilini , Rares Ambrus , Sudeep Pillai , Allan Raventos , Adrien Gaidon

Deep learning for detecting objects in remotely sensed imagery can enable new technologies for important applications including mitigating climate change. However, these models often require large datasets labeled with bounding box…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Ji Hun Wang , Jeremy Irvin , Beri Kohen Behar , Ha Tran , Raghav Samavedam , Quentin Hsu , Andrew Y. Ng

Annotating 3D data remains a costly bottleneck for 3D object detection, motivating the development of weakly supervised annotation methods that rely on more accessible 2D box annotations. However, relying solely on 2D boxes introduces…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Saad Lahlali , Alexandre Fournier Montgieux , Nicolas Granger , Hervé Le Borgne , Quoc Cuong Pham

Point clouds and RGB images are naturally complementary modalities for 3D visual understanding - the former provides sparse but accurate locations of points on objects, while the latter contains dense color and texture information. Despite…

Computer Vision and Pattern Recognition · Computer Science 2021-07-09 Jinhyung Park , Xinshuo Weng , Yunze Man , Kris Kitani

Computer-aided diagnosis for low-dose computed tomography (CT) based on deep learning has recently attracted attention as a first-line automatic testing tool because of its high accuracy and low radiation exposure. However, existing methods…

Image and Video Processing · Electrical Eng. & Systems 2022-06-28 Kyung-Su Kim , Seong Je Oh , Ju Hwan Lee , Myung Jin Chung

Deep reinforcement learning has achieved great success in laser-based collision avoidance works because the laser can sense accurate depth information without too much redundant data, which can maintain the robustness of the algorithm when…

Robotics · Computer Science 2022-09-02 Jianchuan Ding , Lingping Gao , Wenxi Liu , Haiyin Piao , Jia Pan , Zhenjun Du , Xin Yang , Baocai Yin

Fully-supervised salient object detection (SOD) methods have made great progress, but such methods often rely on a large number of pixel-level annotations, which are time-consuming and labour-intensive. In this paper, we focus on a new…

Computer Vision and Pattern Recognition · Computer Science 2022-09-08 Runmin Cong , Qi Qin , Chen Zhang , Qiuping Jiang , Shiqi Wang , Yao Zhao , Sam Kwong

Weakly-supervised object localization methods tend to fail for object classes that consistently co-occur with the same background elements, e.g. trains on tracks. We propose a method to overcome these failures by adding a very small amount…

Computer Vision and Pattern Recognition · Computer Science 2016-05-19 Alexander Kolesnikov , Christoph H. Lampert

Weakly supervised object detection aims at learning precise object detectors, given image category labels. In recent prevailing works, this problem is generally formulated as a multiple instance learning module guided by an image…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Xiaoyan Li , Meina Kan , Shiguang Shan , Xilin Chen

The detection of clouds in satellite images is an essential preprocessing task for big data in remote sensing. Convolutional neural networks (CNNs) have greatly advanced the state-of-the-art in the detection of clouds in satellite images,…

Computer Vision and Pattern Recognition · Computer Science 2021-11-24 Joachim Nyborg , Ira Assent

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

Deep learning is the essential building block of state-of-the-art person detectors in 2D range data. However, only a few annotated datasets are available for training and testing these deep networks, potentially limiting their performance…

Computer Vision and Pattern Recognition · Computer Science 2021-06-04 Dan Jia , Mats Steinweg , Alexander Hermans , Bastian Leibe

It is challenging for weakly supervised object detection network to precisely predict the positions of the objects, since there are no instance-level category annotations. Most existing methods tend to solve this problem by using a…

Computer Vision and Pattern Recognition · Computer Science 2019-11-28 Ke Yang , Dongsheng Li , Yong Dou