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Related papers: Self-Supervised 3D Monocular Object Detection by R…

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Monocular 3D object detection (M3OD) is a significant yet inherently challenging task in autonomous driving due to absence of explicit depth cues in a single RGB image. In this paper, we strive to boost currently underperforming monocular…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Weijia Zhang , Dongnan Liu , Chao Ma , Weidong Cai

The training of deep-learning-based 3D object detectors requires large datasets with 3D bounding box labels for supervision that have to be generated by hand-labeling. We propose a network architecture and training procedure for learning…

Computer Vision and Pattern Recognition · Computer Science 2020-10-08 L. Koestler , N. Yang , R. Wang , D. Cremers

The prior self-supervised learning researches mainly select image-level instance discrimination as pretext task. It achieves a fantastic classification performance that is comparable to supervised learning methods. However, with degraded…

Computer Vision and Pattern Recognition · Computer Science 2022-05-11 Bing Zhao , Jun Li , Hong Zhu

For object detection, it is possible to view the prediction of bounding boxes as a reverse diffusion process. Using a diffusion model, the random bounding boxes are iteratively refined in a denoising step, conditioned on the image. We…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Leander van den Heuvel , Gertjan Burghouts , David W. Zhang , Gwenn Englebienne , Sabina B. van Rooij

We propose a 3D object detection system with multi-sensor refinement in the context of autonomous driving. In our framework, the monocular camera serves as the fundamental sensor for 2D object proposal and initial 3D bounding box…

Computer Vision and Pattern Recognition · Computer Science 2019-11-20 Peiliang Li , Siqi Liu , Shaojie Shen

Nowadays, Semi-Supervised Object Detection (SSOD) is a hot topic, since, while it is rather easy to collect images for creating a new dataset, labeling them is still an expensive and time-consuming task. One of the successful methods to…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Leonardo Rossi , Akbar Karimi , Andrea Prati

Weakly supervised monocular 3D detection, while less annotation-intensive, often struggles to capture the global context required for reliable 3D reasoning. Conventional label-efficient methods focus on object-centric features, neglecting…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Chupeng Liu , Runkai Zhao , Weidong Cai

In this work, we study different approaches to self-supervised pretraining of object detection models. We first design a general framework to learn a spatially consistent dense representation from an image, by randomly sampling and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-12 Trung Dang , Simon Kornblith , Huy Thong Nguyen , Peter Chin , Maryam Khademi

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

Humans are very good at directing their visual attention toward relevant areas when they search for different types of objects. For instance, when we search for cars, we will look at the streets, not at the top of buildings. The motivation…

Computer Vision and Pattern Recognition · Computer Science 2020-06-12 Hughes Perreault , Guillaume-Alexandre Bilodeau , Nicolas Saunier , Maguelonne Héritier

Monocular 3D object detection is an essential component in autonomous driving while challenging to solve, especially for those occluded samples which are only partially visible. Most detectors consider each 3D object as an independent…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Yongjian Chen , Lei Tai , Kai Sun , Mingyang Li

3D object detection and dense depth estimation are one of the most vital tasks in autonomous driving. Multiple sensor modalities can jointly attribute towards better robot perception, and to that end, we introduce a method for jointly…

Computer Vision and Pattern Recognition · Computer Science 2021-09-16 Shubham Shrivastava

In this work, we propose an efficient and accurate monocular 3D detection framework in single shot. Most successful 3D detectors take the projection constraint from the 3D bounding box to the 2D box as an important component. Four edges of…

Computer Vision and Pattern Recognition · Computer Science 2020-01-13 Peixuan Li , Huaici Zhao , Pengfei Liu , Feidao Cao

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

Monocular depth estimation has been actively studied in fields such as robot vision, autonomous driving, and 3D scene understanding. Given a sequence of color images, unsupervised learning methods based on the framework of…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Songlin Wei , Guodong Chen , Wenzheng Chi , Zhenhua Wang , Lining Sun

Monocular 3D object detection is an essential task in computer vision, and it has several applications in robotics and virtual reality. However, 3D object detectors are typically trained in a fully supervised way, relying extensively on 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Andreas Lau Hansen , Lukas Wanzeck , Dim P. Papadopoulos

Monocular 3D object detection is a fundamental yet challenging task in 3D scene understanding. Existing approaches heavily depend on supervised learning with extensive 3D annotations, which are often acquired from LiDAR point clouds through…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Zihua Liu , Hiroki Sakuma , Masatoshi Okutomi

Existing point-cloud based 3D object detectors use convolution-like operators to process information in a local neighbourhood with fixed-weight kernels and aggregate global context hierarchically. However, non-local neural networks and…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Prarthana Bhattacharyya , Chengjie Huang , Krzysztof Czarnecki

Recent advances in self-supervised learning havedemonstrated that it is possible to learn accurate monoculardepth reconstruction from raw video data, without using any 3Dground truth for supervision. However, in robotics…

Computer Vision and Pattern Recognition · Computer Science 2020-04-14 Robert McCraith , Lukas Neumann , Andrew Zisserman , Andrea Vedaldi

We present MonoPSR, a monocular 3D object detection method that leverages proposals and shape reconstruction. First, using the fundamental relations of a pinhole camera model, detections from a mature 2D object detector are used to generate…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Jason Ku , Alex D. Pon , Steven L. Waslander