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In this paper, we present an adaptation of Newton's method for the optimization of Subspace Support Vector Data Description (S-SVDD). The objective of S-SVDD is to map the original data to a subspace optimized for one-class classification,…

机器学习 · 计算机科学 2023-09-26 Fahad Sohrab , Firas Laakom , Moncef Gabbouj

Current region feature-based image captioning methods have progressed rapidly and achieved remarkable performance. However, they are still prone to generating irrelevant descriptions due to the lack of contextual information and the…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Jun Wan , Jun Liu , Zhihui lai , Jie Zhou

Clustering high-dimensional spatiotemporal data using an unsupervised approach is a challenging problem for many data-driven applications. Existing state-of-the-art methods for unsupervised clustering use different similarity and distance…

机器学习 · 计算机科学 2023-09-15 Omar Faruque , Francis Ndikum Nji , Mostafa Cham , Rohan Mandar Salvi , Xue Zheng , Jianwu Wang

This paper proposes a novel transformer-based framework that aims to enhance weakly supervised semantic segmentation (WSSS) by generating accurate class-specific object localization maps as pseudo labels. Building upon the observation that…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Lian Xu , Mohammed Bennamoun , Farid Boussaid , Hamid Laga , Wanli Ouyang , Dan Xu

Deep neural networks have been widely used in communication signal recognition and achieved remarkable performance, but this superiority typically depends on using massive examples for supervised learning, whereas training a deep neural…

信号处理 · 电气工程与系统科学 2023-11-15 Weidong Wang , Hongshu Liao , Lu Gan

In single image super-resolution (SISR), given a low-resolution (LR) image, one wishes to find a high-resolution (HR) version of it which is both accurate and photo-realistic. Recently, it has been shown that there exists a fundamental…

图像与视频处理 · 电气工程与系统科学 2019-10-10 Xin Deng , Ren Yang , Mai Xu , Pier Luigi Dragotti

3D point cloud-based place recognition is highly demanded by autonomous driving in GPS-challenged environments and serves as an essential component (i.e. loop-closure detection) in lidar-based SLAM systems. This paper proposes a novel…

机器人学 · 计算机科学 2021-03-24 Zhicheng Zhou , Cheng Zhao , Daniel Adolfsson , Songzhi Su , Yang Gao , Tom Duckett , Li Sun

We implemented a Soft Decision Tree (SDT) and a Short-term Memory Soft Decision Tree (SM-SDT) using PyTorch. The methods were extensively tested on simulated and clinical datasets. The SDT was visualized to demonstrate the potential for its…

机器学习 · 计算机科学 2025-12-16 Reuben R Shamir

In the Subspace Clustering with Missing Data (SCMD) problem, we are given a collection of n partially observed d-dimensional vectors. The data points are assumed to be concentrated near a union of low-dimensional subspaces. The goal of SCMD…

最优化与控制 · 数学 2023-09-28 Akhilesh Soni , Jeff Linderoth , Jim Luedtke , Daniel Pimentel-Alarcon

MetaDL Challenge 2020 focused on image classification tasks in few-shot settings. This paper describes second best submission in the competition. Our meta learning approach modifies the distribution of classes in a latent space produced by…

机器学习 · 计算机科学 2021-02-12 Tomáš Chobola , Daniel Vašata , Pavel Kordík

Generalized Category Discovery (GCD) aims to classify unlabelled images from both `seen' and `unseen' classes by transferring knowledge from a set of labelled `seen' class images. A key theme in existing GCD approaches is adapting…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Hongjun Wang , Sagar Vaze , Kai Han

Accurate land cover segmentation of spectral images is challenging and has drawn widespread attention in remote sensing due to its inherent complexity. Although significant efforts have been made for developing a variety of methods, most of…

图像与视频处理 · 电气工程与系统科学 2021-11-30 Carlos Hinojosa , Esteban Vera , Henry Arguello

Spiking Neural Networks (SNNs) offer a promising alternative to traditional deep learning frameworks, since they provide higher computational efficiency due to event-driven information processing. SNNs distribute the analog values of pixel…

机器学习 · 计算机科学 2020-10-06 Isha Garg , Sayeed Shafayet Chowdhury , Kaushik Roy

One-shot learning focuses on adapting pretrained models to recognize newly introduced and unseen classes based on a single labeled image. While variations of few-shot and zero-shot learning exist, one-shot learning remains a challenging yet…

计算机视觉与模式识别 · 计算机科学 2025-05-22 Kyle Stein , Andrew A. Mahyari , Guillermo Francia , Eman El-Sheikh

In decentralized optimization, $m$ agents form a network and only communicate with their neighbors, which gives advantages in data ownership, privacy, and scalability. At the same time, decentralized stochastic gradient descent…

最优化与控制 · 数学 2022-12-13 Haishan Ye , Xiangyu Chang

This paper proposes a dynamic sensor scheduling method for sensor networks. In sensor network applications, we often need multiple equally-informative node subsets that are activated sequentially to make a sensor network robust against…

信号处理 · 电气工程与系统科学 2026-02-24 Ryouke Ikura , Junya Hara , Hiroshi Higashi , Yuichi Tanaka

Recent studies have demonstrated that gradient matching-based dataset synthesis, or dataset condensation (DC), methods can achieve state-of-the-art performance when applied to data-efficient learning tasks. However, in this study, we prove…

计算机视觉与模式识别 · 计算机科学 2022-06-17 Saehyung Lee , Sanghyuk Chun , Sangwon Jung , Sangdoo Yun , Sungroh Yoon

Deep convolutional neural networks (CNNs) are broadly considered to be state-of-the-art generic end-to-end image classification systems. However, they are known to underperform when training data are limited and thus require data…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Mohammad Shifat E Rabbi , Yan Zhuang , Shiying Li , Abu Hasnat Mohammad Rubaiyat , Xuwang Yin , Gustavo K. Rohde

Few-shot image classification aims to classify unseen classes with limited labelled samples. Recent works benefit from the meta-learning process with episodic tasks and can fast adapt to class from training to testing. Due to the limited…

计算机视觉与模式识别 · 计算机科学 2021-02-24 Da Chen , Yuefeng Chen , Yuhong Li , Feng Mao , Yuan He , Hui Xue

The distance transform (DT) and its many variations are ubiquitous tools for image processing and analysis. In many imaging scenarios, the images of interest are corrupted by noise. This has a strong negative impact on the accuracy of the…

计算机视觉与模式识别 · 计算机科学 2020-09-14 Johan Öfverstedt , Joakim Lindblad , Nataša Sladoje