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Self-supervised learning has recently shown great potential in vision tasks through contrastive learning, which aims to discriminate each image, or instance, in the dataset. However, such instance-level learning ignores the semantic…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Tsai-Shien Chen , Wei-Chih Hung , Hung-Yu Tseng , Shao-Yi Chien , Ming-Hsuan Yang

Tiny object detection has become an active area of research because images with tiny targets are common in several important real-world scenarios. However, existing tiny object detection methods use standard deep neural networks as their…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Jinlai Ning , Haoyan Guan , Michael Spratling

We propose ALFA - a novel late fusion algorithm for object detection. ALFA is based on agglomerative clustering of object detector predictions taking into consideration both the bounding box locations and the class scores. Each cluster…

Computer Vision and Pattern Recognition · Computer Science 2019-07-16 Evgenii Razinkov , Iuliia Saveleva , Jiři Matas

A generic fast method for object classification is proposed. In addition, a method for dimensional reduction is presented. The presented algorithms have been applied to real-world data from chip fabrication successfully to the task of…

Machine Learning · Computer Science 2021-08-27 Thomas Olschewski

Most computer vision application rely on algorithms finding local correspondences between different images. These algorithms detect and compare stable local invariant descriptors centered at scale-invariant keypoints. Because of the…

Computer Vision and Pattern Recognition · Computer Science 2014-09-10 Ives Rey-Otero , Mauricio Delbracio , Jean-Michel Morel

Object-based Novelty Detection (ND) aims to identify unknown objects that do not belong to classes seen during training by an object detection model. The task is particularly crucial in real-world applications, as it allows to avoid…

Computer Vision and Pattern Recognition · Computer Science 2024-08-05 Simone Caldarella , Elisa Ricci , Rahaf Aljundi

Most object detection frameworks use backbone architectures originally designed for image classification, conventionally with pre-trained parameters on ImageNet. However, image classification and object detection are essentially different…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Harim Jung , Myeong-Seok Oh , Cheoljong Yang , Seong-Whan Lee

Object detectors achieve strong performance under nominal imaging conditions but can fail silently when exposed to blur, noise, compression, adverse weather, or resolution changes. In safety-critical settings, it is therefore insufficient…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Stefan Becker , Simon Weiss , Wolfgang Hübner , Michael Arens

The complexity-precision trade-off of an object detector is a critical problem for resource constrained vision tasks. Previous works have emphasized detectors implemented with efficient backbones. The impact on this trade-off of proposal…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Yunsheng Li , Yinpeng Chen , Xiyang Dai , Dongdong Chen , Mengchen Liu , Pei Yu , Jing Yin , Lu Yuan , Zicheng Liu , Nuno Vasconcelos

The vast number of existing IP cameras in current road networks is an opportunity to take advantage of the captured data and analyze the video and detect any significant events. For this purpose, it is necessary to detect moving vehicles, a…

Computer Vision and Pattern Recognition · Computer Science 2021-05-19 Iván García , Rafael Marcos Luque , Ezequiel López

Deep Learning methods have become state-of-the-art for solving tasks such as Face Recognition (FR). Unfortunately, despite their success, it has been pointed out that these learning models are exposed to adversarial inputs - images to which…

Computer Vision and Pattern Recognition · Computer Science 2020-11-23 Fabio Valerio Massoli , Fabio Carrara , Giuseppe Amato , Fabrizio Falchi

The deep neural networks (DNNs) have freed the synthetic aperture radar automatic target recognition (SAR ATR) from expertise-based feature designing and demonstrated superiority over conventional solutions. There has been shown the unique…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Bowen Peng , Jianyue Xie , Bo Peng , Li Liu

Conventional object detection methods essentially suppose that the training and testing data are collected from a restricted target domain with expensive labeling cost. For alleviating the problem of domain dependency and cumbersome…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Zhenwei He , Lei Zhang

Deep learning models are widely deployed in many applications, such as object detection in various security fields. However, these models are vulnerable to backdoor attacks. Most backdoor attacks were intensively studied on classified…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Yaguan Qian , Boyuan Ji , Shuke He , Shenhui Huang , Xiang Ling , Bin Wang , Wei Wang

Keyword spotting systems continuously process audio streams to detect keywords. One of the most challenging tasks in designing such systems is to reduce False Alarm (FA) which happens when the system falsely registers a keyword despite the…

Signal Processing · Electrical Eng. & Systems 2023-04-10 Yashas Malur Saidutta , Rakshith Sharma Srinivasa , Ching-Hua Lee , Chouchang Yang , Yilin Shen , Hongxia Jin

Contrastive self-supervised learning has shown impressive results in learning visual representations from unlabeled images by enforcing invariance against different data augmentations. However, the learned representations are often…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Sangwoo Mo , Hyunwoo Kang , Kihyuk Sohn , Chun-Liang Li , Jinwoo Shin

Object detection is a challenging task in remote sensing because objects only occupy a few pixels in the images, and the models are required to simultaneously learn object locations and detection. Even though the established approaches well…

Computer Vision and Pattern Recognition · Computer Science 2022-02-16 Pourya Shamsolmoali , Jocelyn Chanussot , Masoumeh Zareapoor , Huiyu Zhou , Jie Yang

While road obstacle detection techniques have become increasingly effective, they typically ignore the fact that, in practice, the apparent size of the obstacles decreases as their distance to the vehicle increases. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Krzysztof Lis , Sina Honari , Pascal Fua , Mathieu Salzmann

This study attempts to provide explanations, descriptions and evaluations of some most popular and current combinations of description and descriptor frameworks, namely SIFT, SURF, MSER, and BRISK for keypoint extractors and SIFT, SURF,…

Computer Vision and Pattern Recognition · Computer Science 2018-05-03 Novanto Yudistira , Achmad Ridok , Ali Fauzi

Object detection is a vital task in computer vision and has become an integral component of numerous critical systems. However, state-of-the-art object detectors, similar to their classification counterparts, are susceptible to small…

Computer Vision and Pattern Recognition · Computer Science 2023-08-04 Muhammad , Awais , Weiming , Zhuang , Lingjuan , Lyu , Sung-Ho , Bae