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Hyperspectral target detection is a pixel-level recognition problem. Given a few target samples, it aims to identify the specific target pixels such as airplane, vehicle, ship, from the entire hyperspectral image. In general, the background…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Can Yao , Yuan Yuan , Zhiyu Jiang

A new Lossy Causal Temporal Convolutional Neural Network Autoencoder for anomaly detection is proposed in this work. Our framework uses a rate-distortion loss and an entropy bottleneck to learn a compressed latent representation for the…

机器学习 · 计算机科学 2022-12-06 Christopher P. Ley , Jorge F. Silva

The integration of different imaging modalities, such as structural, diffusion tensor, and functional magnetic resonance imaging, with deep learning models has yielded promising outcomes in discerning phenotypic characteristics and…

图像与视频处理 · 电气工程与系统科学 2024-10-08 Zhiyuan Li , Hailong Li , Anca L. Ralescu , Jonathan R. Dillman , Mekibib Altaye , Kim M. Cecil , Nehal A. Parikh , Lili He

We propose a neuralized undirected graphical model called Neural-Hidden-CRF to solve the weakly-supervised sequence labeling problem. Under the umbrella of probabilistic undirected graph theory, the proposed Neural-Hidden-CRF embedded with…

计算与语言 · 计算机科学 2023-10-02 Zhijun Chen , Hailong Sun , Wanhao Zhang , Chunyi Xu , Qianren Mao , Pengpeng Chen

In this paper, we present a framework for computing dense keypoint correspondences between images under strong scene appearance changes. Traditional methods, based on nearest neighbour search in the feature descriptor space, perform poorly…

计算机视觉与模式识别 · 计算机科学 2019-12-11 Grzegorz Kurzejamski , Jacek Komorowski , Lukasz Dabala , Konrad Czarnota , Simon Lynen , Tomasz Trzcinski

Anomaly detection algorithms have been proved to be useful in the search of new physics beyond the Standard Model. However, a prerequisite for using an anomaly detection algorithm is that the signal to be sought is indeed anomalous. This…

高能物理 - 唯象学 · 物理学 2023-10-23 Ji-Chong Yang , Yu-Chen Guo , Li-Hua Cai

Anomaly detection with only prior knowledge from normal samples attracts more attention because of the lack of anomaly samples. Existing CNN-based pixel reconstruction approaches suffer from two concerns. First, the reconstruction source…

计算机视觉与模式识别 · 计算机科学 2022-12-12 Zhiyuan You , Kai Yang , Wenhan Luo , Lei Cui , Yu Zheng , Xinyi Le

Unsupervised anomaly detection is a challenging task. Autoencoders (AEs) or generative models are often employed to model the data distribution of normal inputs and subsequently identify anomalous, out-of-distribution inputs by high…

机器学习 · 计算机科学 2025-06-12 Yalin Liao , Austin J. Brockmeier

Deep representations have shown promising performance when transferred to downstream tasks in a black-box manner. Yet, their inherent lack of interpretability remains a significant challenge, as these features are often opaque to human…

机器学习 · 计算机科学 2024-04-24 Yifei Wang , Qi Zhang , Yaoyu Guo , Yisen Wang

Typically, objects with the same semantics are not always prominent in images containing different backgrounds. Motivated by this observation that accurately salient object detection is related to both foreground and background, we proposed…

计算机视觉与模式识别 · 计算机科学 2019-09-19 Changqun Xia , Jia Li , Jinming Su , Yonghong Tian

In graph self-supervised learning, masked autoencoders (MAE) and contrastive learning (CL) are two prominent paradigms. MAE focuses on reconstructing masked elements, while CL maximizes similarity between augmented graph views. Recent…

机器学习 · 计算机科学 2025-06-10 Di Lin , Wanjing Ren , Xuanbin Li , Rui Zhang

The following three factors restrict the application of existing low-light image enhancement methods: unpredictable brightness degradation and noise, inherent gap between metric-favorable and visual-friendly versions, and the limited paired…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Shuzhou Yang , Moxuan Ding , Yanmin Wu , Zihan Li , Jian Zhang

This paper proposes an extension of Random Projection Depth (RPD) to cope with multiple modalities and non-convexity on data clouds. In the framework of the proposed method, the RPD is computed in a reproducing kernel Hilbert space. With…

机器学习 · 统计学 2023-09-07 Akira Tamamori

Graph Neural Networks (GNNs) are widely used as the engine for various graph-related tasks, with their effectiveness in analyzing graph-structured data. However, training robust GNNs often demands abundant labeled data, which is a critical…

机器学习 · 计算机科学 2025-09-16 Siyue Xie , Da Sun Handason Tam , Wing Cheong Lau

Many Click-Through Rate (CTR) prediction works focused on designing advanced architectures to model complex feature interactions but neglected the importance of feature representation learning, e.g., adopting a plain embedding layer for…

信息检索 · 计算机科学 2022-12-02 Fangye Wang , Yingxu Wang , Dongsheng Li , Hansu Gu , Tun Lu , Peng Zhang , Ning Gu

In this paper, we propose a non-negative representation based discriminative dictionary learning algorithm (NRDL) for multicategory face classification. In contrast to traditional dictionary learning methods, NRDL investigates the use of…

计算机视觉与模式识别 · 计算机科学 2019-10-01 Zhe Chen , Xiao-Jun Wu , Josef Kittler

Heterogeneous graph neural networks (HGNNs) have demonstrated their superiority in exploiting auxiliary information for recommendation tasks. However, graphs constructed using meta-paths in HGNNs are usually too dense and contain a large…

信息检索 · 计算机科学 2025-06-02 Lei Sang , Yu Wang , Yiwen Zhang

This paper describes computationally efficient approaches and associated theoretical performance guarantees for the detection of known targets and anomalies from few projection measurements of the underlying signals. The proposed approaches…

统计理论 · 数学 2015-06-03 Kalyani Krishnamurthy , Rebecca Willett , Maxim Raginsky

Recent deep learning models have demonstrated strong capabilities for classifying text and non-text components in natural images. They extract a high-level feature computed globally from a whole image component (patch), where the cluttered…

计算机视觉与模式识别 · 计算机科学 2016-05-04 Tong He , Weilin Huang , Yu Qiao , Jian Yao

Real-scene image super-resolution aims to restore real-world low-resolution images into their high-quality versions. A typical RealSR framework usually includes the optimization of multiple criteria which are designed for different image…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Yukai Shi , Hao Li , Sen Zhang , Zhijing Yang , Xiao Wang