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Supervised Deep Learning (DL) models are currently the leading approach for sensor-based Human Activity Recognition (HAR) on wearable and mobile devices. However, training them requires large amounts of labeled data whose collection is…

机器学习 · 计算机科学 2023-04-20 Luca Arrotta , Gabriele Civitarese , Samuele Valente , Claudio Bettini

We consider unsupervised domain adaptation (UDA) for semantic segmentation in which the model is trained on a labeled source dataset and adapted to an unlabeled target dataset. Unfortunately, current self-training methods are susceptible to…

计算机视觉与模式识别 · 计算机科学 2024-12-06 Erik Brorsson , Knut Åkesson , Lennart Svensson , Kristofer Bengtsson

As we move away from the data, the predictive uncertainty should increase, since a great variety of explanations are consistent with the little available information. We introduce Distance-Aware Prior (DAP) calibration, a method to correct…

机器学习 · 统计学 2022-07-19 Gianluca Detommaso , Alberto Gasparin , Andrew Wilson , Cedric Archambeau

We present PAT, a transformer-based network that learns complex temporal co-occurrence action dependencies in a video by exploiting multi-scale temporal features. In existing methods, the self-attention mechanism in transformers loses the…

计算机视觉与模式识别 · 计算机科学 2023-08-10 Faegheh Sardari , Armin Mustafa , Philip J. B. Jackson , Adrian Hilton

Recent work on visual representation learning has shown to be efficient for robotic manipulation tasks. However, most existing works pretrained the visual backbone solely on 2D images or egocentric videos, ignoring the fact that robots…

机器人学 · 计算机科学 2024-01-18 Wanying Wang , Jinming Li , Yichen Zhu , Zhiyuan Xu , Zhengping Che , Yaxin Peng , Chaomin Shen , Dong Liu , Feifei Feng , Jian Tang

Deep learning methods for computer vision tasks show promise for automating the data analysis of camera trap images. Ecological camera traps are a common approach for monitoring an ecosystem's animal population, as they provide continual…

计算机视觉与模式识别 · 计算机科学 2018-03-30 Stefan Schneider , Graham W. Taylor , Stefan C. Kremer

Pre-trained vision-language models learn massive data to model unified representations of images and natural languages, which can be widely applied to downstream machine learning tasks. In addition to zero-shot inference, in order to better…

计算机视觉与模式识别 · 计算机科学 2024-06-28 Qian-Wei Wang , Yuqiu Xie , Letian Zhang , Zimo Liu , Shu-Tao Xia

Pre-trained perception models excel in generic image domains but degrade significantly in novel environments like indoor scenes. The conventional remedy is fine-tuning on downstream data which incurs catastrophic forgetting of prior…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Tianci Tang , Tielong Cai , Hongwei Wang , Gaoang Wang

Identifying individual animals in long-duration videos is essential for behavioral ecology, wildlife monitoring, and livestock management. Traditional methods require extensive manual annotation, while existing self-supervised approaches…

计算机视觉与模式识别 · 计算机科学 2026-01-15 Xuyang Fang , Sion Hannuna , Edwin Simpson , Neill Campbell

Deep image prior (DIP) has been successfully applied to positron emission tomography (PET) image restoration, enabling represent implicit prior using only convolutional neural network architecture without training dataset, whereas the…

医学物理 · 物理学 2024-04-23 Yuya Onishi , Fumio Hashimoto , Kibo Ote , Keisuke Matsubara , Masanobu Ibaraki

Domain adaptation (DA) techniques have the potential in machine learning to alleviate distribution differences between training and test sets by leveraging information from source domains. In image classification, most advances in DA have…

计算机视觉与模式识别 · 计算机科学 2025-08-29 Ahmad Chaddad , Yihang Wu , Reem Kateb , Christian Desrosiers

In this paper, we consider domain-adaptive imitation learning with visual observation, where an agent in a target domain learns to perform a task by observing expert demonstrations in a source domain. Domain adaptive imitation learning…

机器学习 · 计算机科学 2023-12-04 Sungho Choi , Seungyul Han , Woojun Kim , Jongseong Chae , Whiyoung Jung , Youngchul Sung

Wildlife object detection plays a vital role in biodiversity conservation, ecological monitoring, and habitat protection. However, this task is often challenged by environmental variability, visual similarities among species, and…

计算机视觉与模式识别 · 计算机科学 2025-12-18 Malach Obisa Amonga , Benard Osero , Edna Too

Domain-adaptive continual pretraining (DAPT) is a state-of-the-art technique that further trains a language model (LM) on its pretraining task, e.g., masked language modeling (MLM), when common domain adaptation via LM fine-tuning is not…

计算与语言 · 计算机科学 2025-07-02 Anastasia Zhukova , Christian E. Matt , Bela Gipp

In the last five years, deep learning methods, in particular CNN, have attracted considerable attention in the field of face-based recognition, achieving impressive results. Despite this progress, it is not yet clear precisely to what…

计算机视觉与模式识别 · 计算机科学 2021-02-04 Giulia Orrù , Marco Micheletto , Julian Fierrez , Gian Luca Marcialis

Large-scale general domain pretraining followed by downstream-specific finetuning has become a predominant paradigm in machine learning. However, discrepancies between the pretraining and target domains can still lead to performance…

机器学习 · 计算机科学 2024-10-15 Ruiyi Zhang , Sai Ashish Somayajula , Pengtao Xie

Autonomous navigation has become an increasingly popular machine learning application. Recent advances in deep learning have also resulted in great improvements to autonomous navigation. However, prior outdoor autonomous navigation depends…

计算机视觉与模式识别 · 计算机科学 2018-05-23 Jaeyoon Yoo , Yongjun Hong , YungKyun Noh , Sungroh Yoon

Similarly to humans, facial expressions in animals are closely linked with emotional states. However, in contrast to the human domain, automated recognition of emotional states from facial expressions in animals is underexplored, mainly due…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Tali Boneh-Shitrit , Shir Amir , Annika Bremhorst , Daniel S. Mills , Stefanie Riemer , Dror Fried , Anna Zamansky

Domain adaptation (DA) aims at improving the performance of a model on target domains by transferring the knowledge contained in different but related source domains. With recent advances in deep learning models which are extremely data…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Gabriela Csurka

We propose the first multi-frame video object detection framework trained to detect great apes. It is applicable to challenging camera trap footage in complex jungle environments and extends a traditional feature pyramid architecture by…

计算机视觉与模式识别 · 计算机科学 2019-08-30 Xinyu Yang , Majid Mirmehdi , Tilo Burghardt