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Related papers: Training an Open-Vocabulary Monocular 3D Object De…

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Recent advances in monocular 3D detection leverage a depth estimation network explicitly as an intermediate stage of the 3D detection network. Depth map approaches yield more accurate depth to objects than other methods thanks to the depth…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Youngseok Kim , Sanmin Kim , Sangmin Sim , Jun Won Choi , Dongsuk Kum

Open-vocabulary 3D Object Detection (OV-3DDet) aims to detect objects from an arbitrary list of categories within a 3D scene, which remains seldom explored in the literature. There are primarily two fundamental problems in OV-3DDet, i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Yang Cao , Yihan Zeng , Hang Xu , Dan Xu

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

Open-vocabulary detection (OVD) is a challenging task to detect and classify objects from an unrestricted set of categories, including those unseen during training. Existing open-vocabulary detectors are limited by complex visual-textual…

Computer Vision and Pattern Recognition · Computer Science 2025-02-27 Caixiong Li , Xiongwei Zhao , Jinhang Zhang , Xing Zhang , Qihao Sun , Zhou Wu

Monocular 3D object detection is valuable for various applications such as robotics and AR/VR. Existing methods are confined to closed-set settings, where the training and testing sets consist of the same scenes and/or object categories.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-08 Yung-Hsu Yang , Luigi Piccinelli , Mattia Segu , Siyuan Li , Rui Huang , Yuqian Fu , Marc Pollefeys , Hermann Blum , Zuria Bauer

Despite great progress in object detection, most existing methods work only on a limited set of object categories, due to the tremendous human effort needed for bounding-box annotations of training data. To alleviate the problem, recent…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Mingfei Gao , Chen Xing , Juan Carlos Niebles , Junnan Li , Ran Xu , Wenhao Liu , Caiming Xiong

Despite the remarkable accuracy of deep neural networks in object detection, they are costly to train and scale due to supervision requirements. Particularly, learning more object categories typically requires proportionally more bounding…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Alireza Zareian , Kevin Dela Rosa , Derek Hao Hu , Shih-Fu Chang

Open-vocabulary object detection, which is concerned with the problem of detecting novel objects guided by natural language, has gained increasing attention from the community. Ideally, we would like to extend an open-vocabulary detector…

Computer Vision and Pattern Recognition · Computer Science 2022-12-01 Yuhang Zang , Wei Li , Kaiyang Zhou , Chen Huang , Chen Change Loy

Open-vocabulary 3D object detection methods are able to localize 3D boxes of classes unseen during training. Despite the name, existing methods rely on user-specified classes both at training and inference. We propose to study…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Haomeng Zhang , Kuan-Chuan Peng , Suhas Lohit , Raymond A. Yeh

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

Locating and retrieving objects from scene-level point clouds is a challenging problem with broad applications in robotics and augmented reality. This task is commonly formulated as open-vocabulary 3D instance segmentation. Although recent…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Khanh Nguyen , Dasith de Silva Edirimuni , Ghulam Mubashar Hassan , Ajmal Mian

Open-vocabulary object detection aims to recognize objects from an open set of categories, which leverages vision-language models (VLMs) pre-trained on large-scale image-text data. The cooperative paradigm combines an object detector with a…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Yazhe Wan , Changjae Oh

The superior performances of pre-trained foundation models in various visual tasks underscore their potential to enhance the 2D models' open-vocabulary ability. Existing methods explore analogous applications in the 3D space. However, most…

Computer Vision and Pattern Recognition · Computer Science 2023-12-25 Dongmei Zhang , Chang Li , Ray Zhang , Shenghao Xie , Wei Xue , Xiaodong Xie , Shanghang Zhang

Recent progress in 3D object detection from single images leverages monocular depth estimation as a way to produce 3D pointclouds, turning cameras into pseudo-lidar sensors. These two-stage detectors improve with the accuracy of the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Dennis Park , Rares Ambrus , Vitor Guizilini , Jie Li , Adrien Gaidon

Traditional object detection systems are typically constrained to predefined categories, limiting their applicability in dynamic environments. In contrast, open-vocabulary object detection (OVD) enables the identification of objects from…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Tianyi Zhang , Antoine Simoulin , Kai Li , Sana Lakdawala , Shiqing Yu , Arpit Mittal , Hongyu Fu , Yu Lin

While expensive LiDAR and stereo camera rigs have enabled the development of successful 3D object detection methods, monocular RGB-only approaches lag much behind. This work advances the state of the art by introducing MoVi-3D, a novel,…

Computer Vision and Pattern Recognition · Computer Science 2020-04-03 Andrea Simonelli , Samuel Rota Bulò , Lorenzo Porzi , Elisa Ricci , Peter Kontschieder

Existing object detection methods are bounded in a fixed-set vocabulary by costly labeled data. When dealing with novel categories, the model has to be retrained with more bounding box annotations. Natural language supervision is an…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Chuang Lin , Peize Sun , Yi Jiang , Ping Luo , Lizhen Qu , Gholamreza Haffari , Zehuan Yuan , Jianfei Cai

Open-vocabulary object detection (OVD) extends recognition beyond fixed taxonomies by aligning visual and textual features, as in MDETR, GLIP, or RegionCLIP. While effective, these models require updating all parameters of large…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Bilal Faye , Hanane Azzag , Mustapha Lebbah

Open-Ended object Detection (OED) is a novel and challenging task that detects objects and generates their category names in a free-form manner, without requiring additional vocabularies during inference. However, the existing OED models,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-28 Guiping Cao , Tao Wang , Wenjian Huang , Xiangyuan Lan , Jianguo Zhang , Dongmei Jiang

Monocular 3D object detection poses a significant challenge in 3D scene understanding due to its inherently ill-posed nature in monocular depth estimation. Existing methods heavily rely on supervised learning using abundant 3D labels,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Zihua Liu , Hiroki Sakuma , Masatoshi Okutomi