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Recently, the application of deep learning models to diagnose neuropsychiatric diseases from brain imaging data has received more and more attention. However, in practice, exploring interactions in brain functional connectivity based on…

机器学习 · 计算机科学 2022-06-29 Sartaj Ahmed Salman , Zhichao Lian , Milad Taleby Ahvanooey , Hiroki Takahashi , Yuduo Zhang

In this paper, a deep learning framework is proposed for automatic facial emotion based on deep convolutional networks. In order to increase the generalization ability and the robustness of the method, the dataset size is increased by…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Serap Kırbız

Saliency maps are widely used in the computer vision community for interpreting neural network classifiers. However, due to the randomness of training samples and optimization algorithms, the resulting saliency maps suffer from a…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Shizhan Gong , Jingwei Zhang , Qi Dou , Farzan Farnia

Emotions are best way of communicating information; and sometimes it carry more information than words. Recently, there has been a huge interest in automatic recognition of human emotion because of its wide spread application in security,…

计算机视觉与模式识别 · 计算机科学 2013-12-05 Nikunj Bajaj , Aurobinda Routray , S L Happy

In this paper, we explore various approaches for learning two types of appraisal components from happy language. We focus on 'agency' of the author and the 'sociality' involved in happy moments based on the HappyDB dataset. We develop…

计算与语言 · 计算机科学 2019-06-11 Arun Rajendran , Chiyu Zhang , Muhammad Abdul-Mageed

Emotions are one of the important components of the human being, thus they are a valuable part of daily activities such as interaction with people, decision making and learning. For this reason, it is important to detect, recognize and…

人机交互 · 计算机科学 2025-12-30 Ricardo Vasquez , Diego Riofrío-Luzcando , Joe Carrion-Jumbo , Cesar Guevara

We present a machine learning framework for testing general relativity (GR) with gravitational wave signals from binary black hole mergers. Using the source parameters of 173 BBH events from the GWTC catalog as a realistic astrophysical…

广义相对论与量子宇宙学 · 物理学 2026-05-13 Lavinia Heisenberg , Shayan Hemmatyar , Hector Villarrubia-Rojo

Facial expressions vary from person to person, and the brightness, contrast, and resolution of every random image are different. This is why recognizing facial expressions is very difficult. This article proposes an efficient system for…

计算机视觉与模式识别 · 计算机科学 2022-09-26 Faisal Ghaffar

High-throughput chromatin conformation capture (Hi-C) data provide insights into the 3D structure of chromosomes, with normalization being a crucial pre-processing step. A common technique for normalization is matrix balancing, which…

应用统计 · 统计学 2025-06-17 John Park , Ning Hao , Yue Selena Niu , Ming Hu

In this paper, we propose CKGAN, a novel generative adversarial network (GAN) variant based on an integral probability metrics framework with characteristic kernel (CKIPM). CKIPM, as a distance between two probability distributions, is…

机器学习 · 计算机科学 2025-04-09 Kuntian Zhang , Simin Yu , Yaoshu Wang , Makoto Onizuka , Chuan Xiao

The Generalized Additive Model (GAM) is a powerful tool and has been well studied. This model class helps to identify additive regression structure. Via available test procedures one may identify the regression structure even sharper if…

统计方法学 · 统计学 2020-09-11 Rong Liu , Wolfgang Karl Härdle

Class activation map (CAM) helps to formulate saliency maps that aid in interpreting the deep neural network's prediction. Gradient-based methods are generally faster than other branches of vision interpretability and independent of human…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Masud An Nur Islam Fahim , Nazmus Saqib , Shafkat Khan Siam , Ho Yub Jung

Throughout the past decade, many studies have classified human emotions using only a single sensing modality such as face video, electroencephalogram (EEG), electrocardiogram (ECG), galvanic skin response (GSR), etc. The results of these…

人机交互 · 计算机科学 2018-06-22 Siddharth Siddharth , Tzyy-Ping Jung , Terrence J. Sejnowski

Kernel $k$-means clustering is a powerful tool for unsupervised learning of non-linearly separable data. Since the earliest attempts, researchers have noted that such algorithms often become trapped by local minima arising from…

机器学习 · 统计学 2020-11-13 Debolina Paul , Saptarshi Chakraborty , Swagatam Das , Jason Xu

With the development of social platforms, people are more and more inclined to combine into groups to participate in some activities, so group recommendation has gradually become a problem worthy of research. For group recommendation, an…

信息检索 · 计算机科学 2021-09-24 Bojie Wang , Yuheng Lu

This paper introduces a visual sentiment concept classification method based on deep convolutional neural networks (CNNs). The visual sentiment concepts are adjective noun pairs (ANPs) automatically discovered from the tags of web photos,…

计算机视觉与模式识别 · 计算机科学 2014-11-03 Tao Chen , Damian Borth , Trevor Darrell , Shih-Fu Chang

Modern clustering approaches often trade interpretability for performance, particularly in deep learning-based methods. We present Generative Kernel Spectral Clustering (GenKSC), a novel model combining kernel spectral clustering with…

机器学习 · 计算机科学 2025-04-25 David Winant , Sonny Achten , Johan A. K. Suykens

Graph signals are widely used to describe vertex attributes or features in graph-structured data, with applications spanning the internet, social media, transportation, sensor networks, and biomedicine. Graph signal processing (GSP) has…

信号处理 · 电气工程与系统科学 2025-05-22 Yu Zhang , Linyu Peng , Bing-Zhao Li

Determining clustering tendency in datasets is a fundamental but challenging task, especially in noisy or high-dimensional settings where traditional methods, such as the Hopkins Statistic and Visual Assessment of Tendency (VAT), often…

机器学习 · 计算机科学 2025-01-31 Yiran Luo , Evangelos E. Papalexakis

In order to fully utilize "big data", it is often required to use "big models". Such models tend to grow with the complexity and size of the training data, and do not make strong parametric assumptions upfront on the nature of the…

机器学习 · 统计学 2015-04-17 Vikas Sindhwani , Haim Avron