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Convolutional Neural Networks (CNN) have been regarded as a capable class of models for visual recognition problems. Nevertheless, it is not trivial to develop generic and powerful network architectures, which requires significant efforts…

计算机视觉与模式识别 · 计算机科学 2019-09-24 Zhaofan Qiu , Ting Yao , Yiheng Zhang , Yongdong Zhang , Tao Mei

This paper studies the cosine as basis function for the approximation of univariate and continuous functions without memory. This work studies a supervised learning to obtain the approximation coefficients, instead of using the Discrete…

信号处理 · 电气工程与系统科学 2024-05-28 Ana I. Pérez-Neira , Marc Martinez-Gost , Miguel Ángel Lagunas

Scene Change Detection is a challenging task in computer vision and robotics that aims to identify differences between two images of the same scene captured at different times. Traditional change detection methods rely on training models…

机器人学 · 计算机科学 2024-09-24 Shyam Sundar Kannan , Byung-Cheol Min

Symbolic computation, powered by modern computer algebra systems, has important applications in mathematical reasoning through exact deep computations. The efficiency of symbolic computation is largely constrained by such deep computations…

符号计算 · 计算机科学 2026-01-21 Rui-Juan Jing , Yuegang Zhao , Changbo Chen

Novel coordinate descent (CD) methods are proposed for minimizing nonconvex functions consisting of three terms: (i) a continuously differentiable term, (ii) a simple convex term, and (iii) a concave and continuous term. First, by extending…

最优化与控制 · 数学 2019-09-15 Qi Deng , Chenghao Lan

Zeroth-order optimization is the process of minimizing an objective $f(x)$, given oracle access to evaluations at adaptively chosen inputs $x$. In this paper, we present two simple yet powerful GradientLess Descent (GLD) algorithms that do…

机器学习 · 计算机科学 2020-05-20 Daniel Golovin , John Karro , Greg Kochanski , Chansoo Lee , Xingyou Song , Qiuyi Zhang

Zero-shot object detection (ZSD), the task that extends conventional detection models to detecting objects from unseen categories, has emerged as a new challenge in computer vision. Most existing approaches tackle the ZSD task with a strict…

计算机视觉与模式识别 · 计算机科学 2022-01-04 Caixia Yan , Xiaojun Chang , Minnan Luo , Huan Liu , Xiaoqin Zhang , Qinghua Zheng

In this paper, we present CT-AGD (Curvature-Tuned Accelerated Gradient Descent), an optimization method for non-convex optimization problems in deep learning training tasks. CT-AGD is a general boosting procedure that accelerates…

机器学习 · 计算机科学 2026-05-18 Manuel Graca , L. Miguel Silveira , Arlindo Oliveira , Frank Liu

Zero-Shot image Anomaly Detection (ZSAD) aims to detect and localise anomalies without access to any normal training samples of the target data. While recent ZSAD approaches leverage additional modalities such as language to generate…

计算机视觉与模式识别 · 计算机科学 2026-01-14 Samet Hicsonmez , Abd El Rahman Shabayek , Djamila Aouada

Anomaly detection (AD) is a crucial machine learning task that aims to learn patterns from a set of normal training samples to identify abnormal samples in test data. Most existing AD studies assume that the training and test data are drawn…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Tri Cao , Jiawen Zhu , Guansong Pang

Decentralized learning offers privacy and communication efficiency when data are naturally distributed among agents communicating over an underlying graph. Motivated by overparameterized learning settings, in which models are trained to…

机器学习 · 计算机科学 2023-03-28 Hossein Taheri , Christos Thrampoulidis

Automatic differentiation (AD) is a technique for computing the derivative of a function represented by a program. This technique is considered as the de-facto standard for computing the differentiation in many machine learning and…

Zero-shot learning (ZSL) can be defined by correctly solving a task where no training data is available, based on previous acquired knowledge from different, but related tasks. So far, this area has mostly drawn the attention from computer…

计算机视觉与模式识别 · 计算机科学 2018-10-25 Joao Reis , Gil Gonçalves

Automatic differentiation---the mechanical transformation of numeric computer programs to calculate derivatives efficiently and accurately---dates to the origin of the computer age. Reverse mode automatic differentiation both antedates and…

机器学习 · 计算机科学 2014-04-30 Atilim Gunes Baydin , Barak A. Pearlmutter

The choice of step-size used in Stochastic Gradient Descent (SGD) optimization is empirically selected in most training procedures. Moreover, the use of scheduled learning techniques such as Step-Decaying, Cyclical-Learning, and Warmup to…

机器学习 · 计算机科学 2020-06-12 Mahdi S. Hosseini , Konstantinos N. Plataniotis

Differentiable architecture search (DARTS) has been a popular one-shot paradigm for NAS due to its high efficiency. It introduces trainable architecture parameters to represent the importance of candidate operations and proposes…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Xiaoxing Wang , Wenxuan Guo , Junchi Yan , Jianlin Su , Xiaokang Yang

Zeroth-order (ZO) optimization is a subset of gradient-free optimization that emerges in many signal processing and machine learning applications. It is used for solving optimization problems similarly to gradient-based methods. However, it…

机器学习 · 计算机科学 2020-06-23 Sijia Liu , Pin-Yu Chen , Bhavya Kailkhura , Gaoyuan Zhang , Alfred Hero , Pramod K. Varshney

3D point clouds enhanced the robot's ability to perceive the geometrical information of the environments, making it possible for many downstream tasks such as grasp pose detection and scene understanding. The performance of these tasks,…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Fangzhou Lin , Haotian Liu , Haoying Zhou , Songlin Hou , Kazunori D Yamada , Gregory S. Fischer , Yanhua Li , Haichong K. Zhang , Ziming Zhang

Semi-supervised medical image segmentation aims to leverage minimal expert annotations, yet remains confronted by challenges in maintaining high-quality consistency learning. Excessive perturbations can degrade alignment and hinder precise…

计算机视觉与模式识别 · 计算机科学 2025-04-04 Wenbo Xiao , Zhihao Xu , Guiping Liang , Yangjun Deng , Yi Xiao

Block-coordinate descent algorithms and alternating minimization methods are fundamental optimization algorithms and an important primitive in large-scale optimization and machine learning. While various block-coordinate-descent-type…

最优化与控制 · 数学 2019-07-02 Jelena Diakonikolas , Lorenzo Orecchia