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Monocular 3D object detection poses a significant challenge due to the lack of depth information in RGB images. Many existing methods strive to enhance the object depth estimation performance by allocating additional parameters for object…

Computer Vision and Pattern Recognition · Computer Science 2024-01-03 Wonhyeok Choi , Mingyu Shin , Sunghoon Im

Monocular 3D object detection (Mono3D) in mobile settings (e.g., on a vehicle, a drone, or a robot) is an important yet challenging task. Due to the near-far disparity phenomenon of monocular vision and the ever-changing camera pose, it is…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Yunsong Zhou , Quan Liu , Hongzi Zhu , Yunzhe Li , Shan Chang , Minyi Guo

Monocular 3D object detection is a crucial and challenging task for autonomous driving vehicle, while it uses only a single camera image to infer 3D objects in the scene. To address the difficulty of predicting depth using only pictorial…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Jia-Quan Yu , Soo-Chang Pei

Transparent object perception is indispensable for numerous robotic tasks. However, accurately segmenting and estimating the depth of transparent objects remain challenging due to complex optical properties. Existing methods primarily delve…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Jiangyuan Liu , Hongxuan Ma , Yuxin Guo , Yuhao Zhao , Chi Zhang , Wei Sui , Wei Zou

Perspective projection has been extensively utilized in monocular 3D object detection methods. It introduces geometric priors from 2D bounding boxes and 3D object dimensions to reduce the uncertainty of depth estimation. However, due to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Fanqi Pu , Yifan Wang , Jiru Deng , Wenming Yang

We propose Shift R-CNN, a hybrid model for monocular 3D object detection, which combines deep learning with the power of geometry. We adapt a Faster R-CNN network for regressing initial 2D and 3D object properties and combine it with a…

Computer Vision and Pattern Recognition · Computer Science 2019-05-27 Andretti Naiden , Vlad Paunescu , Gyeongmo Kim , ByeongMoon Jeon , Marius Leordeanu

In this paper, we propose to learn a deep fitting degree scoring network for monocular 3D object detection, which aims to score fitting degree between proposals and object conclusively. Different from most existing monocular frameworks…

Computer Vision and Pattern Recognition · Computer Science 2019-06-11 Lijie Liu , Jiwen Lu , Chunjing Xu , Qi Tian , Jie Zhou

In this paper, we study the problem of 3D object detection from stereo images, in which the key challenge is how to effectively utilize stereo information. Different from previous methods using pixel-level depth maps, we propose employing…

Computer Vision and Pattern Recognition · Computer Science 2019-06-05 Zengyi Qin , Jinglu Wang , Yan Lu

Monocular 3D object detection plays a crucial role in autonomous driving. However, existing monocular 3D detection algorithms depend on 3D labels derived from LiDAR measurements, which are costly to acquire for new datasets and challenging…

Computer Vision and Pattern Recognition · Computer Science 2024-09-25 Fulong Ma , Xiaoyang Yan , Guoyang Zhao , Xiaojie Xu , Yuxuan Liu , Jun Ma , Ming Liu

Monocular 3D object detection aims to localize 3D bounding boxes in an input single 2D image. It is a highly challenging problem and remains open, especially when no extra information (e.g., depth, lidar and/or multi-frames) can be…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Xianpeng Liu , Nan Xue , Tianfu Wu

Monocular 3D object detection reveals an economical but challenging task in autonomous driving. Recently center-based monocular methods have developed rapidly with a great trade-off between speed and accuracy, where they usually depend on…

Computer Vision and Pattern Recognition · Computer Science 2023-02-22 Zizhang Wu , Yuanzhu Gan , Lei Wang , Guilian Chen , Jian Pu

Monocular cameras are one of the most commonly used sensors in the automotive industry for autonomous vehicles. One major drawback using a monocular camera is that it only makes observations in the two dimensional image plane and can not…

Computer Vision and Pattern Recognition · Computer Science 2018-02-28 Samuel Scheidegger , Joachim Benjaminsson , Emil Rosenberg , Amrit Krishnan , Karl Granstrom

Monocular 3D object detection offers a cost-effective solution for autonomous driving but suffers from ill-posed depth and limited field of view. These constraints cause a lack of geometric cues and reduced accuracy in occluded or truncated…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Sunghun Yang , Minhyeok Lee , Jungho Lee , Sangyoun Lee

In this paper, we propose a monocular 3D object detection framework in the domain of autonomous driving. Unlike previous image-based methods which focus on RGB feature extracted from 2D images, our method solves this problem in the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Xinzhu Ma , Zhihui Wang , Haojie Li , Pengbo Zhang , Xin Fan , Wanli Ouyang

Monocular 3D scene understanding tasks, such as object size estimation, heading angle estimation and 3D localization, is challenging. Successful modern day methods for 3D scene understanding require the use of a 3D sensor. On the other…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Xinshuo Weng , Kris Kitani

We propose and study open-vocabulary monocular 3D detection, a novel task that aims to detect objects of any categores in metric 3D space from a single RGB image. Existing 3D object detectors either rely on costly sensors such as LiDAR or…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Jin Yao , Hao Gu , Xuweiyi Chen , Jiayun Wang , Zezhou Cheng

Three-dimensional object detection from a single view is a challenging task which, if performed with good accuracy, is an important enabler of low-cost mobile robot perception. Previous approaches to this problem suffer either from an…

Computer Vision and Pattern Recognition · Computer Science 2019-06-21 Eskil Jörgensen , Christopher Zach , Fredrik Kahl

Monocular 3D object detection (Mono3D) is a fundamental computer vision task that estimates an object's class, 3D position, dimensions, and orientation from a single image. Its applications, including autonomous driving, augmented reality,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Abhinav Kumar

Localizing objects in 3D space and understanding their associated 3D properties is challenging given only monocular RGB images. The situation is compounded by the loss of depth information during perspective projection. We present Center3D,…

Computer Vision and Pattern Recognition · Computer Science 2020-05-28 Yunlei Tang , Sebastian Dorn , Chiragkumar Savani

Monocular 3D object detection is a key problem for autonomous vehicles, as it provides a solution with simple configuration compared to typical multi-sensor systems. The main challenge in monocular 3D detection lies in accurately predicting…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Cody Reading , Ali Harakeh , Julia Chae , Steven L. Waslander