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Signal recognition is one of significant and challenging tasks in the signal processing and communications field. It is often a common situation that there's no training data accessible for some signal classes to perform a recognition task.…

Machine Learning · Computer Science 2021-05-12 Yihong Dong , Xiaohan Jiang , Huaji Zhou , Yun Lin , Qingjiang Shi

Recently, self-supervised learning (SSL) methods have been used in pre-training the segmentation models for 2D and 3D medical images. Most of these methods are based on reconstruction, contrastive learning and consistency regularization.…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Haofeng Li , Yiming Ouyang , Xiang Wan

As an important and challenging problem in computer vision, zero-shot learning (ZSL) aims at automatically recognizing the instances from unseen object classes without training data. To address this problem, ZSL is usually carried out in…

Computer Vision and Pattern Recognition · Computer Science 2017-03-28 Yunlong Yu , Zhong Ji , Xi Li , Jichang Guo , Zhongfei Zhang , Haibin Ling , Fei Wu

Convolutional neural networks (CNNs) have shown dramatic improvements in single image super-resolution (SISR) by using large-scale external samples. Despite their remarkable performance based on the external dataset, they cannot exploit…

Computer Vision and Pattern Recognition · Computer Science 2020-02-28 Jae Woong Soh , Sunwoo Cho , Nam Ik Cho

Zero-shot learning (ZSL) models rely on learning a joint embedding space where both textual/semantic description of object classes and visual representation of object images can be projected to for nearest neighbour search. Despite the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-22 Li Zhang , Tao Xiang , Shaogang Gong

Zero-shot learning (ZSL) aims to recognize novel classes by transferring semantic knowledge from seen classes to unseen ones. Semantic knowledge is learned from attribute descriptions shared between different classes, which act as strong…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 Shiming Chen , Ziming Hong , Yang Liu , Guo-Sen Xie , Baigui Sun , Hao Li , Qinmu Peng , Ke Lu , Xinge You

Neural Radiance Fields (NeRF) have achieved great success in the task of synthesizing novel views that preserve the same resolution as the training views. However, it is challenging for NeRF to synthesize high-quality high-resolution novel…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Xiang Feng , Yongbo He , Yubo Wang , Chengkai Wang , Zhenzhong Kuang , Jiajun Ding , Feiwei Qin , Jun Yu , Jianping Fan

In most recent years, zero-shot recognition (ZSR) has gained increasing attention in machine learning and image processing fields. It aims at recognizing unseen class instances with knowledge transferred from seen classes. This is typically…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Jingcai Guo , Song Guo

Zero-Shot Learning (ZSL) is an emerging research that aims to solve the classification problems with very few training data. The present works on ZSL mainly focus on the mapping of learning semantic space to visual space. It encounters many…

Computer Vision and Pattern Recognition · Computer Science 2021-03-01 Zeng Ting , Xiang Hongxin , Xie Cheng , Yang Yun , Liu Qing

Deep Learning has led to a dramatic leap in Super-Resolution (SR) performance in the past few years. However, being supervised, these SR methods are restricted to specific training data, where the acquisition of the low-resolution (LR)…

Computer Vision and Pattern Recognition · Computer Science 2017-12-19 Assaf Shocher , Nadav Cohen , Michal Irani

Current approaches to Zero-Shot Learning (ZSL) struggle to learn generalizable semantic knowledge capable of capturing complex correlations. Inspired by \emph{Spiral Curriculum}, which enhances learning processes by revisiting knowledge, we…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Zhe Liu , Yun Li , Lina Yao , Julian McAuley , Sam Dixon

In many real world medical image classification settings we do not have access to samples of all possible disease classes, while a robust system is expected to give high performance in recognizing novel test data. We propose a generalized…

Image and Video Processing · Electrical Eng. & Systems 2022-08-30 Dwarikanath Mahapatra

Zero-Shot Learning (ZSL) aims to recognize unseen classes by generalizing the knowledge, i.e., visual and semantic relationships, obtained from seen classes, where image augmentation techniques are commonly applied to improve the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-02 Zhi Chen , Pengfei Zhang , Jingjing Li , Sen Wang , Zi Huang

Zero-shot learning (ZSL) is a challenging task aiming at recognizing novel classes without any training instances. In this paper we present a simple but high-performance ZSL approach by generating pseudo feature representations (GPFR).…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Jiang Lu , Jin Li , Ziang Yan , Changshui Zhang

Zero-shot learning (ZSL) tackles the novel class recognition problem by transferring semantic knowledge from seen classes to unseen ones. Existing attention-based models have struggled to learn inferior region features in a single image by…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Shiming Chen , Ziming Hong , Wenjin Hou , Guo-Sen Xie , Yibing Song , Jian Zhao , Xinge You , Shuicheng Yan , Ling Shao

Recent methods for single image super-resolution (SISR) have demonstrated outstanding performance in generating high-resolution (HR) images from low-resolution (LR) images. However, most of these methods show their superiority using…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Jun-Sang Yoo , Dong-Wook Kim , Yucheng Lu , Seung-Won Jung

Improving the image resolution and acquisition speed of magnetic resonance imaging (MRI) is a challenging problem. There are mainly two strategies dealing with the speed-resolution trade-off: (1) $k$-space undersampling with high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Wenqi Huang , Sen Jia , Ziwen Ke , Zhuo-Xu Cui , Jing Cheng , Yanjie Zhu , Dong Liang

We study zero-shot learning (ZSL) as a transfer learning problem, and focus on the two key aspects of ZSL, model effectiveness and model adaptation. For effective modeling, we adopt the boosting strategy to learn a zero-shot classifier from…

Machine Learning · Computer Science 2017-07-26 Te Pi , Xi Li , Zhongfei , Zhang

Zero-shot recognition (ZSR) deals with the problem of predicting class labels for target domain instances based on source domain side information (e.g. attributes) of unseen classes. We formulate ZSR as a binary prediction problem. Our…

Computer Vision and Pattern Recognition · Computer Science 2016-08-22 Ziming Zhang , Venkatesh Saligrama

Quantitative magnetic resonance imaging (qMRI) offers tissue-specific physical parameters with significant potential for neuroscience research and clinical practice. However, lengthy scan times for 3D multiparametric qMRI acquisition limit…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Guoyan Lao , Ruimin Feng , Haikun Qi , Zhenfeng Lv , Qiangqiang Liu , Chunlei Liu , Yuyao Zhang , Hongjiang Wei