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Instance segmentation is an important problem in computer vision, with applications in autonomous driving, drone navigation and robotic manipulation. However, most existing methods are not real-time, complicating their deployment in…

计算机视觉与模式识别 · 计算机科学 2019-07-31 Laurynas Miksys , Saumya Jetley , Michael Sapienza , Stuart Golodetz , Philip H. S. Torr

Due to the simpleness and high efficiency, single-stage object detectors have been widely applied in many computer vision applications . However, the low correlation between the classification score and localization accuracy of the…

计算机视觉与模式识别 · 计算机科学 2020-04-16 Shengkai Wu , Xiaoping Li , Xinggang Wang

Multiple object tracking (MOT) is a crucial task in computer vision society. However, most tracking-by-detection MOT methods, with available detected bounding boxes, cannot effectively handle static, slow-moving and fast-moving camera…

计算机视觉与模式识别 · 计算机科学 2020-06-25 Jiarui Cai , Yizhou Wang , Haotian Zhang , Hung-Min Hsu , Chengqian Ma , Jenq-Neng Hwang

In 2D/3D object detection task, Intersection-over-Union (IoU) has been widely employed as an evaluation metric to evaluate the performance of different detectors in the testing stage. However, during the training stage, the common distance…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Dingfu Zhou , Jin Fang , Xibin Song , Chenye Guan , Junbo Yin , Yuchao Dai , Ruigang Yang

This paper presents Ego-Centric Intersection-over-Union (EC-IoU), addressing the limitation of the standard IoU measure in characterizing safety-related performance for object detectors in navigating contexts. Concretely, we propose a…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Brian Hsuan-Cheng Liao , Chih-Hong Cheng , Hasan Esen , Alois Knoll

This paper presents an efficient way of detecting directed objects by predicting their center coordinates and direction angle. Since the objects are of uniform size, the proposed model works without predicting the object's width and height.…

计算机视觉与模式识别 · 计算机科学 2023-08-10 Đorđe Nedeljković

Since Intersection-over-Union (IoU) based optimization maintains the consistency of the final IoU prediction metric and losses, it has been widely used in both regression and classification branches of single-stage 2D object detectors.…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Hualian Sheng , Sijia Cai , Na Zhao , Bing Deng , Jianqiang Huang , Xian-Sheng Hua , Min-Jian Zhao , Gim Hee Lee

For the training of face detection network based on R-CNN framework, anchors are assigned to be positive samples if intersection-over-unions (IoUs) with ground-truth are higher than the first threshold(such as 0.7); and to be negative…

计算机视觉与模式识别 · 计算机科学 2018-05-01 Ce Qi , Xiaoping Chen , Pingyu Wang , Fei Su

We present a simple, fully-convolutional model for real-time (>30 fps) instance segmentation that achieves competitive results on MS COCO evaluated on a single Titan Xp, which is significantly faster than any previous state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2020-09-25 Daniel Bolya , Chong Zhou , Fanyi Xiao , Yong Jae Lee

Instance segmentation has gained recently huge attention in various computer vision applications. It aims at providing different IDs to different object of the scene, even if they belong to the same class. This is useful in various…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Eslam Mohamed , Abdelrahman Shaker , Ahmad El-Sallab , Mayada Hadhoud

Multi-class multi-instance segmentation is the task of identifying masks for multiple object classes and multiple instances of the same class within an image. The foundational Segment Anything Model (SAM) is designed for promptable…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Mariia Khan , Yue Qiu , Yuren Cong , Jumana Abu-Khalaf , David Suter , Bodo Rosenhahn

Letting a deep network be aware of the quality of its own predictions is an interesting yet important problem. In the task of instance segmentation, the confidence of instance classification is used as mask quality score in most instance…

计算机视觉与模式识别 · 计算机科学 2019-03-04 Zhaojin Huang , Lichao Huang , Yongchao Gong , Chang Huang , Xinggang Wang

Object detection has seen remarkable progress in recent years with the introduction of Convolutional Neural Networks (CNN). Object detection is a multi-task learning problem where both the position of the objects in the images as well as…

计算机视觉与模式识别 · 计算机科学 2023-04-17 Mofassir ul Islam Arif , Mohsan Jameel , Lars Schmidt-Thieme

Bounding box regression is the crucial step in object detection. In existing methods, while $\ell_n$-norm loss is widely adopted for bounding box regression, it is not tailored to the evaluation metric, i.e., Intersection over Union (IoU).…

计算机视觉与模式识别 · 计算机科学 2019-11-20 Zhaohui Zheng , Ping Wang , Wei Liu , Jinze Li , Rongguang Ye , Dongwei Ren

Most existing trackers are based on using a classifier and multi-scale estimation to estimate the target state. Consequently, and as expected, trackers have become more stable while tracking accuracy has stagnated. While trackers adopt a…

计算机视觉与模式识别 · 计算机科学 2022-01-21 Di Yuan , Xiu Shu , Nana Fan , Xiaojun Chang , Qiao Liu , Zhenyu He

Despite the substantial progress of active learning for image recognition, there still lacks an instance-level active learning method specified for object detection. In this paper, we propose Multiple Instance Active Object Detection…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Tianning Yuan , Fang Wan , Mengying Fu , Jianzhuang Liu , Songcen Xu , Xiangyang Ji , Qixiang Ye

Deep learning-based object detection and instance segmentation have achieved unprecedented progress. In this paper, we propose Complete-IoU (CIoU) loss and Cluster-NMS for enhancing geometric factors in both bounding box regression and…

计算机视觉与模式识别 · 计算机科学 2021-07-06 Zhaohui Zheng , Ping Wang , Dongwei Ren , Wei Liu , Rongguang Ye , Qinghua Hu , Wangmeng Zuo

Image-based tracking of laparoscopic instruments plays a fundamental role in computer and robotic-assisted surgeries by aiding surgeons and increasing patient safety. Computer vision contests, such as the Robust Medical Instrument…

计算机视觉与模式识别 · 计算机科学 2022-01-21 Juan Carlos Angeles Ceron , Leonardo Chang , Gilberto Ochoa-Ruiz , Sharib Ali

We focus on the construction of a loss function for the bounding box regression. The Intersection over Union (IoU) metric is improved to converge faster, to make the surface of the loss function smooth and continuous over the whole searched…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Petra Števuliáková , Petr Hurtik

Recent works on open-vocabulary 3D instance segmentation show strong promise, but at the cost of slow inference speed and high computation requirements. This high computation cost is typically due to their heavy reliance on 3D clip…

计算机视觉与模式识别 · 计算机科学 2025-02-14 Mohamed El Amine Boudjoghra , Angela Dai , Jean Lahoud , Hisham Cholakkal , Rao Muhammad Anwer , Salman Khan , Fahad Shahbaz Khan