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As with other deep learning methods, label quality is important for learning modern convolutional object detectors. However, the potentially large number and wide diversity of object instances that can be found in complex image scenes makes…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Yuewei Yang , Kevin J Liang , Lawrence Carin

In this paper, we present a comprehensive review of the imbalance problems in object detection. To analyze the problems in a systematic manner, we introduce a problem-based taxonomy. Following this taxonomy, we discuss each problem in depth…

Computer Vision and Pattern Recognition · Computer Science 2020-03-12 Kemal Oksuz , Baris Can Cam , Sinan Kalkan , Emre Akbas

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

We propose a novel method utilizing an objectness score for maintaining the locations and classes of objects detected from Mask R-CNN during mobile robot navigation. The objectness score is defined to measure how well the detector…

Computer Vision and Pattern Recognition · Computer Science 2019-09-13 Hongsun Choi , Mincheul Kang , Youngsun Kwon , Sung-eui Yoon

The effectiveness of Object Detection, one of the central problems in computer vision tasks, highly depends on the definition of the loss function - a measure of how accurately your ML model can predict the expected outcome. Conventional…

Computer Vision and Pattern Recognition · Computer Science 2022-05-26 Zhora Gevorgyan

In contrast to the incremental classification task, the incremental detection task is characterized by the presence of data ambiguity, as an image may have differently labeled bounding boxes across multiple continuous learning stages. This…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Ziyue Huang , Yupeng He , Qingjie Liu , Yunhong Wang

While deep learning-based general object detection has made significant strides in recent years, the effectiveness and efficiency of small object detection remain unsatisfactory. This is primarily attributed not only to the limited…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Zile Huang , Chong Zhang , Mingyu Jin , Fangyu Wu , Chengzhi Liu , Xiaobo Jin

Assisted by the availability of data and high performance computing, deep learning techniques have achieved breakthroughs and surpassed human performance empirically in difficult tasks, including object recognition, speech recognition, and…

Machine Learning · Computer Science 2019-01-23 Shaeke Salman , Xiuwen Liu

In virtual assistant (VA) systems it is important to reject or redirect user queries that fall outside the scope of the system. One of the most accurate approaches for out-of-scope (OOS) rejection is to combine it with the task of intent…

Computation and Language · Computer Science 2024-10-22 Tianyi Zhang , Atta Norouzian , Aanchan Mohan , Frederick Ducatelle

Arbitrary-oriented object detection is a relatively emerging but challenging task. Although remarkable progress has been made, there still remain many unsolved issues due to the large diversity of patterns in orientation, scale, aspect…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Peng Sun , Yongbin Zheng , Wenqi Wu , Wanying Xu , Shengjian Bai

Object detection is a typical multi-task learning application, which optimizes classification and regression simultaneously. However, classification loss always dominates the multi-task loss in anchor-based methods, hampering the consistent…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Wenxin Yu , Xueling Shen , Jiajie Hu , Dong Yin

Lidar based 3D object detection is inevitable for autonomous driving, because it directly links to environmental understanding and therefore builds the base for prediction and motion planning. The capacity of inferencing highly sparse 3D…

Computer Vision and Pattern Recognition · Computer Science 2018-09-25 Martin Simon , Stefan Milz , Karl Amende , Horst-Michael Gross

Object detection is a central downstream task used to test if pre-trained network parameters confer benefits, such as improved accuracy or training speed. The complexity of object detection methods can make this benchmarking non-trivial…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Yanghao Li , Saining Xie , Xinlei Chen , Piotr Dollar , Kaiming He , Ross Girshick

Object detection for robot guidance is a crucial mission for autonomous robots, which has provoked extensive attention for researchers. However, the changing view of robot movement and limited available data hinder the research in this…

Computer Vision and Pattern Recognition · Computer Science 2019-11-21 Jingwen Fu , Licheng Zong , Yinbing Li , Ke Li , Bingqian Yang , Xibei Liu

Ensemble methods are a reliable way to combine several models to achieve superior performance. However, research on the application of ensemble methods in the remote sensing object detection scenario is mostly overlooked. Two problems…

Computer Vision and Pattern Recognition · Computer Science 2022-09-28 Haoning Lin , Changhao Sun , Yunpeng Liu

Model learning from class imbalanced training data is a long-standing and significant challenge for machine learning. In particular, existing deep learning methods consider mostly either class balanced data or moderately imbalanced data in…

Computer Vision and Pattern Recognition · Computer Science 2018-05-01 Qi Dong , Shaogang Gong , Xiatian Zhu

Conventional object detectors rely on cross-entropy classification, which can be vulnerable to class imbalance and label noise. We propose CLIP-Joint-Detect, a simple and detector-agnostic framework that integrates CLIP-style contrastive…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Behnam Raoufi , Hossein Sharify , Mohamad Mahdee Ramezanee , Khosrow Hajsadeghi , Saeed Bagheri Shouraki

Detection of small, undetermined moving objects or objects in an occluded environment with a cluttered background is the main problem of computer vision. This greatly affects the detection accuracy of deep learning models. To overcome these…

Computer Vision and Pattern Recognition · Computer Science 2024-01-03 Syed Muhammad Aamir , Hongbin Ma , Malak Abid Ali Khan , Muhammad Aaqib

Cross entropy loss has served as the main objective function for classification-based tasks. Widely deployed for learning neural network classifiers, it shows both effectiveness and a probabilistic interpretation. Recently, after the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Rahaf Aljundi , Yash Patel , Milan Sulc , Daniel Olmeda , Nikolay Chumerin

Based on the Distributed Convolutional Neural Network(DisCNN), a straightforward object detection method is proposed. The modules of the output vector of a DisCNN with respect to a specific positive class are positively monotonic with the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Liang Sun
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