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Related papers: Pedestrian Detection by Exemplar-Guided Contrastiv…

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Pedestrian detection methods have been significantly improved with the development of deep convolutional neural networks. Nevertheless, robustly detecting pedestrians with a large variant on sizes and with occlusions remains a challenging…

Computer Vision and Pattern Recognition · Computer Science 2020-05-20 Tianrui Liu , Jun-Jie Huang , Tianhong Dai , Guangyu Ren , Tania Stathaki

Contrastive learning produces coherent semantic feature embeddings by encouraging positive samples to cluster closely while separating negative samples. However, existing contrastive learning methods lack principled guarantees on coverage…

Machine Learning · Computer Science 2026-03-30 Yahya Alkhatib , Wee Peng Tay

The automatic characterization of pedestrians in surveillance footage is a tough challenge, particularly when the data is extremely diverse with cluttered backgrounds, and subjects are captured from varying distances, under multiple poses,…

Computer Vision and Pattern Recognition · Computer Science 2020-04-03 Ehsan Yaghoubi , Diana Borza , João Neves , Aruna Kumar , Hugo Proença

Recently, some contrastive learning methods have been proposed to simultaneously learn representations and clustering assignments, achieving significant improvements. However, these methods do not take the category information and…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Huasong Zhong , Jianlong Wu , Chong Chen , Jianqiang Huang , Minghua Deng , Liqiang Nie , Zhouchen Lin , Xian-Sheng Hua

Pedestrian safety continues to be a significant concern in urban communities and pedestrian distraction is emerging as one of the main causes of grave and fatal accidents involving pedestrians. The advent of sophisticated mobile and…

Human-Computer Interaction · Computer Science 2017-10-12 Nisha Vinayaga-Sureshkanth , Anindya Maiti , Murtuza Jadliwala , Kirsten Crager , Jibo He , Heena Rathore

Learning scientific document representations can be substantially improved through contrastive learning objectives, where the challenge lies in creating positive and negative training samples that encode the desired similarity semantics.…

Computation and Language · Computer Science 2022-10-20 Malte Ostendorff , Nils Rethmeier , Isabelle Augenstein , Bela Gipp , Georg Rehm

A recent popular approach to out-of-distribution (OOD) detection is based on a self-supervised learning technique referred to as contrastive learning. There are two main variants of contrastive learning, namely instance and class…

Machine Learning · Computer Science 2022-11-08 Nawid Keshtmand , Raul Santos-Rodriguez , Jonathan Lawry

This paper focuses on the problem of decentralized pedestrian tracking using a sensor network. Traditional works on pedestrian tracking usually use a centralized framework, which becomes less practical for robotic applications due to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Vikram Shree , Carlos Diaz-Ruiz , Chang Liu , Bharath Hariharan , Mark Campbell

State-of-the-art pedestrian detection models have achieved great success in many benchmarks. However, these models require lots of annotation information and the labeling process usually takes much time and efforts. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Xi Ouyang , Yu Cheng , Yifan Jiang , Chun-Liang Li , Pan Zhou

Contrastive learning is a well-established paradigm in representation learning. The standard framework of contrastive learning minimizes the distance between "similar" instances and maximizes the distance between dissimilar ones in the…

Machine Learning · Computer Science 2025-02-06 Naghmeh Ghanooni , Barbod Pajoum , Harshit Rawal , Sophie Fellenz , Vo Nguyen Le Duy , Marius Kloft

Referring expression comprehension aims to localize objects identified by natural language descriptions. This is a challenging task as it requires understanding of both visual and language domains. One nature is that each object can be…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Yi-Wen Chen , Yi-Hsuan Tsai , Ming-Hsuan Yang

Mitochondria segmentation in electron microscopy images is essential in neuroscience. However, due to the image degradation during the imaging process, the large variety of mitochondrial structures, as well as the presence of noise,…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Zhili Li , Xuejin Chen , Jie Zhao , Zhiwei Xiong

Contrastive learning is commonly used as a method of self-supervised learning with the "anchor" and "positive" being two random augmentations of a given input image, and the "negative" is the set of all other images. However, the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Rishab Balasubramanian , Kunal Rathore

Music retrieval and recommendation applications often rely on content features encoded as embeddings, which provide vector representations of items in a music dataset. Numerous complementary embeddings can be derived from processing items…

Information Retrieval · Computer Science 2023-08-15 Andres Ferraro , Jaehun Kim , Sergio Oramas , Andreas Ehmann , Fabien Gouyon

Pressure-sensitive smart textiles are widely applied in the fields of healthcare, sports monitoring, and intelligent homes. The integration of devices embedded with pressure sensing arrays is expected to enable comprehensive scene coverage…

Signal Processing · Electrical Eng. & Systems 2024-09-13 Yunkang Zhang , Ziyu Wu , Zhen Liang , Fangting Xie , Quan Wan , Mingjie Zhao , Xiaohui Cai

Self-supervised learning has gained popularity because of its ability to avoid the cost of annotating large-scale datasets. It is capable of adopting self-defined pseudo labels as supervision and use the learned representations for several…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Ashish Jaiswal , Ashwin Ramesh Babu , Mohammad Zaki Zadeh , Debapriya Banerjee , Fillia Makedon

Pedestrian detection is a popular research topic due to its paramount importance for a number of applications, especially in the fields of automotive, surveillance and robotics. Despite the significant improvements, pedestrian detection is…

Computer Vision and Pattern Recognition · Computer Science 2017-04-27 Denis Tomè , Federico Monti , Luca Baroffio , Luca Bondi , Marco Tagliasacchi , Stefano Tubaro

The standard approach to contrastive learning is to maximize the agreement between different views of the data. The views are ordered in pairs, such that they are either positive, encoding different views of the same object, or negative,…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Artem Moskalev , Ivan Sosnovik , Volker Fischer , Arnold Smeulders

Semantic segmentation in autonomous driving predominantly focuses on learning from large-scale data with a closed set of known classes without considering unknown objects. Motivated by safety reasons, we address the video class agnostic…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Mennatullah Siam , Alex Kendall , Martin Jagersand

Generative adversarial networks (GANs) have been promising for many computer vision problems due to their powerful capabilities to enhance the data for training and test. In this paper, we leveraged GANs and proposed a new architecture with…

Computer Vision and Pattern Recognition · Computer Science 2019-05-17 Ranjith K Dinakaran , Philip Easom , Ahmed Bouridane , Li Zhang , Richard Jiang , Fozia Mehboob , Abdul Rauf