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In the majority of object detection frameworks, the confidence of instance classification is used as the quality criterion of predicted bounding boxes, like the confidence-based ranking in non-maximum suppression (NMS). However, the quality…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Wenchi Ma , Kaidong Li , Guanghui Wang

With the recent advances in the object detection research field, tracking-by-detection has become the leading paradigm adopted by multi-object tracking algorithms. By extracting different features from detected objects, those algorithms can…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Michel Meneses , Leonardo Matos , Bruno Prado , André de Carvalho , Hendrik Macedo

In present object detection systems, the deep convolutional neural networks (CNNs) are utilized to predict bounding boxes of object candidates, and have gained performance advantages over the traditional region proposal methods. However,…

Computer Vision and Pattern Recognition · Computer Science 2016-08-05 Jiahui Yu , Yuning Jiang , Zhangyang Wang , Zhimin Cao , Thomas Huang

Among current anchor-based detectors, a positive anchor box will be intuitively assigned to the object that overlaps it the most. The assigned label to each anchor will directly determine the optimization direction of the corresponding…

Computer Vision and Pattern Recognition · Computer Science 2022-11-14 Li Xiang , He Miao , Luo Haibo , Yang Huiyuan , Xiao Jiajie

Region anchors are the cornerstone of modern object detection techniques. State-of-the-art detectors mostly rely on a dense anchoring scheme, where anchors are sampled uniformly over the spatial domain with a predefined set of scales and…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Jiaqi Wang , Kai Chen , Shuo Yang , Chen Change Loy , Dahua Lin

The anchor mechanism of Faster R-CNN and SSD framework is considered not effective enough to scene text detection, which can be attributed to its IoU based matching criterion between anchors and ground-truth boxes. In order to better…

Computer Vision and Pattern Recognition · Computer Science 2018-04-25 Zhuoyao Zhong , Lei Sun , Qiang Huo

The employment of convolutional neural networks has led to significant performance improvement on the task of object detection. However, when applying existing detectors to continuous frames in a video, we often encounter momentary…

Computer Vision and Pattern Recognition · Computer Science 2020-01-17 Yusuke Hosoya , Masanori Suganuma , Takayuki Okatani

Object detection is an essential task for autonomous robots operating in dynamic and changing environments. A robot should be able to detect objects in the presence of sensor noise that can be induced by changing lighting conditions for…

Robotics · Computer Science 2019-11-20 Oier Mees , Andreas Eitel , Wolfram Burgard

We propose a novel recurrent attentional structure to localize and recognize objects jointly. The network can learn to extract a sequence of local observations with detailed appearance and rough context, instead of sliding windows or…

Computer Vision and Pattern Recognition · Computer Science 2017-12-20 Jie Lyu , Zejian Yuan , Dapeng Chen

Most existing cross-view object geo-localization approaches adopt anchor-based paradigm. Although effective, such methods are inherently constrained by predefined anchors. To eliminate this dependency, we first propose an anchor-free…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Xingtao Ling , Chenlin Fu , Yingying Zhu

In this paper, we propose to learn a deep fitting degree scoring network for monocular 3D object detection, which aims to score fitting degree between proposals and object conclusively. Different from most existing monocular frameworks…

Computer Vision and Pattern Recognition · Computer Science 2019-06-11 Lijie Liu , Jiwen Lu , Chunjing Xu , Qi Tian , Jie Zhou

Security concerns surrounding text-to-image diffusion models have driven researchers to unlearn inappropriate concepts through fine-tuning. Recent fine-tuning methods typically align the prediction distributions of unsafe prompts with those…

Machine Learning · Computer Science 2025-01-03 Mengnan Zhao , Lihe Zhang , Xingyi Yang , Tianhang Zheng , Baocai Yin

CNN-based object detection methods have achieved significant progress in recent years. The classic structures of CNNs produce pyramid-like feature maps due to the pooling or other re-scale operations. The feature maps in different levels of…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Li Pengfei , Wei Wei , Yan Yu , Zhu Rong , Zhou Liguo

This work tackles the unsupervised cross-domain object detection problem which aims to generalize a pre-trained object detector to a new target domain without labels. We propose an uncertainty-aware model adaptation method, which is based…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Minjie Cai , Minyi Luo , Xionghu Zhong , Hao Chen

Multitask learning is a common approach in machine learning, which allows to train multiple objectives with a shared architecture. It has been shown that by training multiple tasks together inference time and compute resources can be saved,…

Computer Vision and Pattern Recognition · Computer Science 2021-09-13 Falk Heuer , Sven Mantowsky , Syed Saqib Bukhari , Georg Schneider

Object detection is a crucial task in computer vision that aims to identify and localize objects in images or videos. The recent advancements in deep learning and Convolutional Neural Networks (CNNs) have significantly improved the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Hrishitva Patel

We present FoveaBox, an accurate, flexible, and completely anchor-free framework for object detection. While almost all state-of-the-art object detectors utilize predefined anchors to enumerate possible locations, scales and aspect ratios…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Tao Kong , Fuchun Sun , Huaping Liu , Yuning Jiang , Lei Li , Jianbo Shi

Recent advances in Artificial Intelligence (AI) technology have promoted their use in almost every field. The growing complexity of deep neural networks (DNNs) makes it increasingly difficult and important to explain the inner workings and…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Van Binh Truong , Truong Thanh Hung Nguyen , Vo Thanh Khang Nguyen , Quoc Khanh Nguyen , Quoc Hung Cao

In this paper, we propose a novel query design for the transformer-based object detection. In previous transformer-based detectors, the object queries are a set of learned embeddings. However, each learned embedding does not have an…

Computer Vision and Pattern Recognition · Computer Science 2022-01-05 Yingming Wang , Xiangyu Zhang , Tong Yang , Jian Sun

Object detection models perform well at localizing and classifying objects that they are shown during training. However, due to the difficulty and cost associated with creating and annotating detection datasets, trained models detect a…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Ayush Jaiswal , Yue Wu , Pradeep Natarajan , Premkumar Natarajan