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In the field of state-of-the-art object detection, the task of object localization is typically accomplished through a dedicated subnet that emphasizes bounding box regression. This subnet traditionally predicts the object's position by…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Peng Zhi , Haoran Zhou , Hang Huang , Rui Zhao , Rui Zhou , Qingguo Zhou

We propose a novel object localization methodology with the purpose of boosting the localization accuracy of state-of-the-art object detection systems. Our model, given a search region, aims at returning the bounding box of an object of…

Computer Vision and Pattern Recognition · Computer Science 2016-04-08 Spyros Gidaris , Nikos Komodakis

Detecting multiple unknown objects in noisy data is a key problem in many scientific fields, such as electron microscopy imaging. A common model for the unknown objects is the linear subspace model, which assumes that the objects can be…

Statistics Theory · Mathematics 2024-05-02 Amitay Eldar , Keren Mor Waknin , Samuel Davenport , Tamir Bendory , Armin Schwartzman , Yoel Shkolnisky

Unsupervised object discovery (UOD) refers to the task of discriminating the whole region of objects from the background within a scene without relying on labeled datasets, which benefits the task of bounding-box-level localization and…

Computer Vision and Pattern Recognition · Computer Science 2023-07-10 Yunqiu Lv , Jing Zhang , Nick Barnes , Yuchao Dai

Automatic detection of weapons is significant for improving security and well being of individuals, nonetheless, it is a difficult task due to large variety of size, shape and appearance of weapons. View point variations and occlusion also…

Computer Vision and Pattern Recognition · Computer Science 2022-09-22 Nazeef Ul Haq , Muhammad Moazam Fraz , Tufail Sajjad Shah Hashmi , Muhammad Shahzad

The objective of augmented reality (AR) is to add digital content to natural images and videos to create an interactive experience between the user and the environment. Scene analysis and object recognition play a crucial role in AR, as…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Vladislav Li , Barbara Villarini , Jean-Christophe Nebel , Thomas Lagkas , Panagiotis Sarigiannidis , Vasileios Argyriou

Vision-based estimation of the motion of a moving target is usually formulated as a bearing-only estimation problem where the visual measurement is modeled as a bearing vector. Although the bearing-only approach has been studied for…

Robotics · Computer Science 2024-02-06 Zian Ning , Yin Zhang , Jianan Li , Zhang Chen , Shiyu Zhao

Multi-object tracking (MOT) methods often rely on Intersection-over-Union (IoU) for association. However, this becomes unreliable when objects are similar or occluded. Also, computing IoU for segmentation masks is computationally expensive.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Milad Khanchi , Maria Amer , Charalambos Poullis

The detection of 3D objects through a single perspective camera is a challenging issue. The anchor-free and keypoint-based models receive increasing attention recently due to their effectiveness and simplicity. However, most of these…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Wei Chen , Jie Zhao , Wan-Lei Zhao , Song-Yuan Wu

Differing from the well-developed horizontal object detection area whereby the computing-friendly IoU based loss is readily adopted and well fits with the detection metrics. In contrast, rotation detectors often involve a more complicated…

Computer Vision and Pattern Recognition · Computer Science 2023-02-07 Xue Yang , Yue Zhou , Gefan Zhang , Jirui Yang , Wentao Wang , Junchi Yan , Xiaopeng Zhang , Qi Tian

Occlusion handling is one of the challenges of object detection and segmentation, and scene understanding. Because objects appear differently when they are occluded in varying degree, angle, and locations. Therefore, determining the…

Computer Vision and Pattern Recognition · Computer Science 2022-04-28 Kaziwa Saleh , Zoltan Vamossy

Arbitrary-oriented objects exist widely in natural scenes, and thus the oriented object detection has received extensive attention in recent years. The mainstream rotation detectors use oriented bounding boxes (OBB) or quadrilateral…

Computer Vision and Pattern Recognition · Computer Science 2021-10-07 Qi Ming , Lingjuan Miao , Zhiqiang Zhou , Xue Yang , Yunpeng Dong

Object detection in optical remote sensing images, being a fundamental but challenging problem in the field of aerial and satellite image analysis, plays an important role for a wide range of applications and is receiving significant…

Computer Vision and Pattern Recognition · Computer Science 2016-04-05 Gong Cheng , Junwei Han

Open-vocabulary 3D object detection has gained significant interest due to its critical applications in autonomous driving and embodied AI. Existing detection methods, whether offline or online, typically rely on dense point cloud…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Yuqing Lan , Chenyang Zhu , Zhirui Gao , Jiazhao Zhang , Yihan Cao , Renjiao Yi , Yijie Wang , Kai Xu

Rotation augmentations generally improve a model's invariance/equivariance to rotation - except in object detection. In object detection the shape is not known, therefore rotation creates a label ambiguity. We show that the de-facto method…

Computer Vision and Pattern Recognition · Computer Science 2021-10-04 Agastya Kalra , Guy Stoppi , Bradley Brown , Rishav Agarwal , Achuta Kadambi

In object detection, an intersection over union (IoU) threshold is required to define positives and negatives. An object detector, trained with low IoU threshold, e.g. 0.5, usually produces noisy detections. However, detection performance…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Zhaowei Cai , Nuno Vasconcelos

Initial orbit determination (IOD) is an important early step in the processing chain that makes sense of and reconciles the multiple optical observations of a resident space object. IOD methods generally operate on line-of-sight (LOS)…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Chee-Kheng Chng , Trent Jansen-Sturgeon , Timothy Payne , Tat-Jun Chin

Predicting the pose of objects from a single image is an important but difficult computer vision problem. Methods that predict a single point estimate do not predict the pose of objects with symmetries well and cannot represent uncertainty.…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 David M. Klee , Ondrej Biza , Robert Platt , Robin Walters

Recent object detectors have achieved impressive accuracy in identifying objects seen during training. However, real-world deployment often introduces novel and unexpected objects, referred to as out-of-distribution (OOD) objects, posing…

Machine Learning · Computer Science 2025-11-20 Quang-Huy Nguyen , Jin Peng Zhou , Zhenzhen Liu , Khanh-Huyen Bui , Kilian Q. Weinberger , Wei-Lun Chao , Dung D. Le

3D object detection is a key module for safety-critical robotics applications such as autonomous driving. For these applications, we care most about how the detections affect the ego-agent's behavior and safety (the egocentric perspective).…

Computer Vision and Pattern Recognition · Computer Science 2021-12-16 Boyang Deng , Charles R. Qi , Mahyar Najibi , Thomas Funkhouser , Yin Zhou , Dragomir Anguelov