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Unsupervised domain adaption aims to learn a powerful classifier for the target domain given a labeled source data set and an unlabeled target data set. To alleviate the effect of `domain shift', the major challenge in domain adaptation,…

Computer Vision and Pattern Recognition · Computer Science 2018-12-03 Yexun Zhang , Ya Zhang , Yanfeng Wang , Qi Tian

To ensure reliable object detection in autonomous systems, the detector must be able to adapt to changes in appearance caused by environmental factors such as time of day, weather, and seasons. Continually adapting the detector to…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Anh-Dzung Doan , Bach Long Nguyen , Surabhi Gupta , Ian Reid , Markus Wagner , Tat-Jun Chin

Semantic segmentation has achieved significant advances in recent years. While deep neural networks perform semantic segmentation well, their success rely on pixel level supervision which is expensive and time-consuming. Further, training…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Ying Chen , Xu Ouyang , Kaiyue Zhu , Gady Agam

Existing deep learning methods of video recognition usually require a large number of labeled videos for training. But for a new task, videos are often unlabeled and it is also time-consuming and labor-intensive to annotate them. Instead of…

Computer Vision and Pattern Recognition · Computer Science 2018-05-14 Feiwu Yu , Xinxiao Wu , Yuchao Sun , Lixin Duan

Goal recognition is the problem of recognizing the intended goal of autonomous agents or humans by observing their behavior in an environment. Over the past years, most existing approaches to goal and plan recognition have been ignoring the…

Artificial Intelligence · Computer Science 2020-05-13 Ramon Fraga Pereira

Deep neural networks are being applied in many tasks with encouraging results, and have often reached human-level performance. However, deep neural networks are vulnerable to well-designed input samples called adversarial examples. In…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Dang Duy Thang , Toshihiro Matsui

Recent works have demonstrated convolutional neural networks are vulnerable to adversarial examples, i.e., inputs to machine learning models that an attacker has intentionally designed to cause the models to make a mistake. To improve the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Xianxu Hou , Jingxin Liu , Bolei Xu , Xiaolong Wang , Bozhi Liu , Guoping Qiu

We introduce a new representation learning approach for domain adaptation, in which data at training and test time come from similar but different distributions. Our approach is directly inspired by the theory on domain adaptation…

Adversarial examples are a key method to exploit deep neural networks. Using gradient information, such examples can be generated in an efficient way without altering the victim model. Recent frequency domain transformation has further…

Machine Learning · Computer Science 2024-08-26 Zhibo Jin , Jiayu Zhang , Zhiyu Zhu , Xinyi Wang , Yiyun Huang , Huaming Chen

We focus on the generalization ability of the 6-DoF grasp detection method in this paper. While learning-based grasp detection methods can predict grasp poses for unseen objects using the grasp distribution learned from the training set,…

Robotics · Computer Science 2024-04-03 Haoxiang Ma , Modi Shi , Boyang Gao , Di Huang

Domain adaptive pose estimation aims to enable deep models trained on source domain (synthesized) datasets produce similar results on the target domain (real-world) datasets. The existing methods have made significant progress by conducting…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Yugan Chen , Lin Zhao , Yalong Xu , Honglei Zu , Xiaoqi An , Guangyu Li

Millimeter wave (mmWave) based gesture recognition technology provides a good human computer interaction (HCI) experience. Prior works focus on the close-range gesture recognition, but fall short in range extension, i.e., they are unable to…

Human-Computer Interaction · Computer Science 2020-02-10 Yu Liu , Yuheng Wang , Haipeng Liu , Anfu Zhou , Jianhua Liu , Ning Yang

Wi-Fi sensing uses radio-frequency signals from Wi-Fi devices to analyze environments, enabling tasks such as tracking people, detecting intrusions, and recognizing gestures. The rise of this technology is driven by the IEEE 802.11bf…

Machine Learning · Computer Science 2025-04-30 Danilo Avola , Federica Bruni , Gian Luca Foresti , Daniele Pannone , Amedeo Ranaldi

Domain generalization (DG) deals with the problem of domain shift where a machine learning model trained on multiple-source domains fail to generalize well on a target domain with different statistics. Multiple approaches have been proposed…

Computer Vision and Pattern Recognition · Computer Science 2020-07-29 Prashant Pandey , Mrigank Raman , Sumanth Varambally , Prathosh AP

In recent years, cross-spectral iris recognition has emerged as a promising biometric approach to establish the identity of individuals. However, matching iris images acquired at different spectral bands (i.e., matching a visible (VIS) iris…

Computer Vision and Pattern Recognition · Computer Science 2021-08-21 Moktari Mostofa , Salman Mohamadi , Jeremy Dawson , Nasser M. Nasrabadi

In this paper, we present an adversarial unsupervised domain adaptation framework for object detection. Prior approaches utilize adversarial training based on cross entropy between the source and target domain distributions to learn a…

Computer Vision and Pattern Recognition · Computer Science 2019-09-20 Pengcheng Xu , Prudhvi Gurram , Gene Whipps , Rama Chellappa

3D LiDAR sensors are indispensable for the robust vision of autonomous mobile robots. However, deploying LiDAR-based perception algorithms often fails due to a domain gap from the training environment, such as inconsistent angular…

Computer Vision and Pattern Recognition · Computer Science 2022-10-24 Kazuto Nakashima , Yumi Iwashita , Ryo Kurazume

Visual Domain Adaptation is a problem of immense importance in computer vision. Previous approaches showcase the inability of even deep neural networks to learn informative representations across domain shift. This problem is more severe…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Swami Sankaranarayanan , Yogesh Balaji , Arpit Jain , Ser Nam Lim , Rama Chellappa

Unsupervised domain adaptive object detection aims to adapt a well-trained detector from its original source domain with rich labeled data to a new target domain with unlabeled data. Previous works focus on improving the domain adaptability…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Bo Zhang , Tao Chen , Bin Wang , Xiaofeng Wu , Liming Zhang , Jiayuan Fan

We propose a novel way of solving the issue of classification of out-of-vocabulary gestures using Artificial Neural Networks (ANNs) trained in the Generative Adversarial Network (GAN) framework. A generative model augments the data set in…

Machine Learning · Computer Science 2023-04-14 Miguel Simão , Pedro Neto , Olivier Gibaru
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