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Human behavior recognition has been considered as a core technology that can facilitate variety of applications. However, accurate detection and recognition of human behavior is still a big challenge that attracts a lot of research efforts.…

人机交互 · 计算机科学 2017-12-04 Zhu Wang , Bin Guo , Zhiwen Yu , Xingshe Zhou

To recognize objects of the unseen classes, most existing Zero-Shot Learning(ZSL) methods first learn a compatible projection function between the common semantic space and the visual space based on the data of source seen classes, then…

计算机视觉与模式识别 · 计算机科学 2020-01-07 Ziyu Wan , Dongdong Chen , Yan Li , Xingguang Yan , Junge Zhang , Yizhou Yu , Jing Liao

WiFi-based sensing for human activity recognition (HAR) has recently become a hot topic as it brings great benefits when compared with video-based HAR, such as eliminating the demands of line-of-sight (LOS) and preserving privacy. Making…

信号处理 · 电气工程与系统科学 2022-06-22 Yanling Hao , Zhiyuan Shi , Yuanwei Liu

Zero-shot learning (ZSL) aims at recognizing unseen class examples (e.g., images) with knowledge transferred from seen classes. This is typically achieved by exploiting a semantic feature space shared by both seen and unseen classes, e.g.,…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Jingcai Guo

Zero-shot action recognition is the task of recognizingaction classes without visual examples, only with a seman-tic embedding which relates unseen to seen classes. Theproblem can be seen as learning a function which general-izes well to…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Shreyank N Gowda , Laura Sevilla-Lara , Frank Keller , Marcus Rohrbach

Zero-shot anomaly detection (ZSAD) enables identifying and localizing defects in unseen categories by relying solely on generalizable features rather than requiring any labeled examples of anomalies. However, existing ZSAD methods, whether…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Zihan Wang , Samira Ebrahimi Kahou , Narges Armanfard

The performance of Human Activity Recognition (HAR) models, particularly deep neural networks, is highly contingent upon the availability of the massive amount of annotated training data which should be sufficiently labeled. Though, data…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Elnaz Soleimani , Ghazaleh Khodabandelou , Abdelghani Chibani , Yacine Amirat

In this work, we present a novel meta-learning algorithm, i.e. TTNet, that regresses model parameters for novel tasks for which no ground truth is available (zero-shot tasks). In order to adapt to novel zero-shot tasks, our meta-learner…

计算机视觉与模式识别 · 计算机科学 2019-03-05 Arghya Pal , Vineeth N Balasubramanian

Zero-Shot Learning (ZSL) is a classification task where we do not have even a single training labeled example from a set of unseen classes. Instead, we only have prior information (or description) about seen and unseen classes, often in the…

计算机视觉与模式识别 · 计算机科学 2021-01-01 Shabnam Daghaghi , Tharun Medini , Anshumali Shrivastava

Due to the difficulty of obtaining labeled data for hyperspectral images (HSIs), cross-scene classification has emerged as a widely adopted approach in the remote sensing community. It involves training a model using labeled data from a…

计算机视觉与模式识别 · 计算机科学 2025-02-26 Rong Liu , Junye Liang , Jiaqi Yang , Jiang He , Peng Zhu

We present a novel problem setting in zero-shot learning, zero-shot object recognition and detection in the context. Contrary to the traditional zero-shot learning methods, which simply infers unseen categories by transferring knowledge…

计算机视觉与模式识别 · 计算机科学 2019-04-25 Ruotian Luo , Ning Zhang , Bohyung Han , Linjie Yang

Zero-shot Learning (ZSL) is a transfer learning technique which aims at transferring knowledge from seen classes to unseen classes. This knowledge transfer is possible because of underlying semantic space which is common to seen and unseen…

计算机视觉与模式识别 · 计算机科学 2020-05-12 Omkar Gune , Mainak Pal , Preeti Mukherjee , Biplab Banerjee , Subhasis Chaudhuri

In the generalized zero-shot learning, synthesizing unseen data with generative models has been the most popular method to address the imbalance of training data between seen and unseen classes. However, this method requires that the unseen…

计算机视觉与模式识别 · 计算机科学 2020-02-04 Xinsheng Wang , Shanmin Pang , Jihua Zhu

Hashing has been widely studied for big data retrieval due to its low storage cost and fast query speed. Zero-shot hashing (ZSH) aims to learn a hashing model that is trained using only samples from seen categories, but can generalize well…

机器学习 · 计算机科学 2019-08-21 Xuanwu Liu , Zhao Li , Jun Wang , Guoxian Yu , Carlotta Domeniconi , Xiangliang Zhang

Few-shot segmentation (FSS) expects models trained on base classes to work on novel classes with the help of a few support images. However, when there exists a domain gap between the base and novel classes, the state-of-the-art FSS methods…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Yuhang Lu , Xinyi Wu , Zhenyao Wu , Song Wang

Cross-domain few-shot learning (CD-FSL) has drawn increasing attention for handling large differences between the source and target domains--an important concern in real-world scenarios. To overcome these large differences, recent works…

机器学习 · 计算机科学 2022-10-13 Jaehoon Oh , Sungnyun Kim , Namgyu Ho , Jin-Hwa Kim , Hwanjun Song , Se-Young Yun

In this study, we investigate the performance of few-shot classification models across different domains, specifically natural images and histopathological images. We first train several few-shot classification models on natural images and…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Ardhendu Sekhar , Aditya Bhattacharya , Vinayak Goyal , Vrinda Goel , Aditya Bhangale , Ravi Kant Gupta , Amit Sethi

We present a novel convolutional neural network that learns to match images of an object taken from different viewpoints or by different optical sensors. Our Re-Identification Across Domain Network (RADON) scores pairs of input images from…

机器学习 · 计算机科学 2021-05-26 Cassandra Burgess , Cordelia Neisinger , Rafael Dinner

Domain adaptation is an important tool to transfer knowledge about a task (e.g. classification) learned in a source domain to a second, or target domain. Current approaches assume that task-relevant target-domain data is available during…

计算机视觉与模式识别 · 计算机科学 2018-07-25 Kuan-Chuan Peng , Ziyan Wu , Jan Ernst

Zero-shot learning provides models for targets for which instances are not available, commonly called unobserved targets. The availability of target side information becomes crucial in this context in order to properly induce models for…

机器学习 · 计算机科学 2024-02-05 Miriam Fdez-Díaz , Elena Montañés , José Ramón Quevedo