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We propose a fully convolutional one-stage object detector (FCOS) to solve object detection in a per-pixel prediction fashion, analogue to semantic segmentation. Almost all state-of-the-art object detectors such as RetinaNet, SSD, YOLOv3,…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Zhi Tian , Chunhua Shen , Hao Chen , Tong He

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

The state of the art lung nodule detection studies rely on computationally expensive multi-stage frameworks to detect nodules from CT scans. To address this computational challenge and provide better performance, in this paper we propose…

Computer Vision and Pattern Recognition · Computer Science 2018-10-18 Naji Khosravan , Ulas Bagci

Region proposal mechanisms are essential for existing deep learning approaches to object detection in images. Although they can generally achieve a good detection performance under normal circumstances, their recall in a scene with extreme…

Computer Vision and Pattern Recognition · Computer Science 2019-05-28 Zehua Cheng , Yuxiang Wu , Zhenghua Xu , Thomas Lukasiewicz , Weiyang Wang

Object detection in aerial images is a fundamental research topic in the geoscience and remote sensing domain. However, the advanced approaches on this topic mainly focus on designing the elaborate backbones or head networks but ignore neck…

Computer Vision and Pattern Recognition · Computer Science 2023-05-03 Yuchen Shen , Dong Zhang , Zhihao Song , Xuesong Jiang , Qiaolin Ye

Multi-modal 3D object detection has received growing attention as the information from different sensors like LiDAR and cameras are complementary. Most fusion methods for 3D detection rely on an accurate alignment and calibration between 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Zhe Liu , Xiaoqing Ye , Zhikang Zou , Xinwei He , Xiao Tan , Errui Ding , Jingdong Wang , Xiang Bai

Lane detection plays a critical role in the field of autonomous driving. Prevailing methods generally adopt basic concepts (anchors, key points, etc.) from object detection and segmentation tasks, while these approaches require manual…

Computer Vision and Pattern Recognition · Computer Science 2024-03-11 Jiayan Cao , Xueyu Zhu , Cheng Qian

3D object detectors usually rely on hand-crafted proxies, e.g., anchors or centers, and translate well-studied 2D frameworks to 3D. Thus, sparse voxel features need to be densified and processed by dense prediction heads, which inevitably…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Yukang Chen , Jianhui Liu , Xiangyu Zhang , Xiaojuan Qi , Jiaya Jia

Rotated object detection in remote sensing imagery is hindered by three major bottlenecks: non-adaptive receptive field utilization, inadequate long-range multi-scale feature fusion, and discontinuities in angle regression. To address these…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Huiran Sun

Computed tomography (CT) generates a stack of cross-sectional images covering a region of the body. The visual assessment of these images for the identification of potential abnormalities is a challenging and time consuming task due to the…

Machine Learning · Statistics 2016-10-03 Petros-Pavlos Ypsilantis , Giovanni Montana

We propose a novel and flexible anchor mechanism named MetaAnchor for object detection frameworks. Unlike many previous detectors model anchors via a predefined manner, in MetaAnchor anchor functions could be dynamically generated from the…

Computer Vision and Pattern Recognition · Computer Science 2018-11-07 Tong Yang , Xiangyu Zhang , Zeming Li , Wenqiang Zhang , Jian Sun

This paper explores object detection in the small data regime, where only a limited number of annotated bounding boxes are available due to data rarity and annotation expense. This is a common challenge today with machine learning being…

Computer Vision and Pattern Recognition · Computer Science 2019-10-17 Lanlan Liu , Michael Muelly , Jia Deng , Tomas Pfister , Li-Jia Li

Due to the poor adaptability of traditional methods in the cigarette detection task on the automatic cigarette production line, it is difficult to accurately identify whether a cigarette has defects and the types of defects; thus, a…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Hongyu Liu , Guowu Yuan , Lei Yang , Kunxiao Liu , Hao Zhou

In this paper, we propose a general approach to optimize anchor boxes for object detection. Nowadays, anchor boxes are widely adopted in state-of-the-art detection frameworks. However, these frameworks usually pre-define anchor box shapes…

Computer Vision and Pattern Recognition · Computer Science 2020-01-28 Yuanyi Zhong , Jianfeng Wang , Jian Peng , Lei Zhang

Query-based transformer has shown great potential in constructing long-range attention in many image-domain tasks, but has rarely been considered in LiDAR-based 3D object detection due to the overwhelming size of the point cloud data. In…

Computer Vision and Pattern Recognition · Computer Science 2022-09-14 Zixiang Zhou , Xiangchen Zhao , Yu Wang , Panqu Wang , Hassan Foroosh

Object detection in optical remote sensing images is an important and challenging task. In recent years, the methods based on convolutional neural networks have made good progress. However, due to the large variation in object scale, aspect…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Qi Ming , Lingjuan Miao , Zhiqiang Zhou , Yunpeng Dong

Brain plays a crucial role in regulating body functions and cognitive processes, with brain tumors posing significant risks to human health. Precise and prompt detection is a key factor in proper treatment and better patient outcomes.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Roham Maiti , Debasmita Bhoumik

We propose ImGeoNet, a multi-view image-based 3D object detection framework that models a 3D space by an image-induced geometry-aware voxel representation. Unlike previous methods which aggregate 2D features into 3D voxels without…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Tao Tu , Shun-Po Chuang , Yu-Lun Liu , Cheng Sun , Ke Zhang , Donna Roy , Cheng-Hao Kuo , Min Sun

General object detectors use powerful backbones that uniformly extract features from images for enabling detection of a vast amount of object types. However, utilization of such backbones in object detection applications developed for…

Computer Vision and Pattern Recognition · Computer Science 2021-08-04 Alexandra Dana , Maor Shutman , Yotam Perlitz , Ran Vitek , Tomer Peleg , Roy J Jevnisek

Objects in aerial images usually have arbitrary orientations and are densely located over the ground, making them extremely challenge to be detected. Many recently developed methods attempt to solve these issues by estimating an extra…

Computer Vision and Pattern Recognition · Computer Science 2021-09-21 Ran Qin , Qingjie Liu , Guangshuai Gao , Di Huang , Yunhong Wang