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The rich and dynamic information environment of social media provides researchers, policy makers, and entrepreneurs with opportunities to learn about social phenomena in a timely manner. However, using this data to understand social…

Social and Information Networks · Computer Science 2025-03-24 Siyi Guo , Zihao He , Ashwin Rao , Eugene Jang , Yuanfeixue Nan , Fred Morstatter , Jeffrey Brantingham , Kristina Lerman

In this paper , we tackle Sentiment Analysis conditioned on a Topic in Twitter data using Deep Learning . We propose a 2-tier approach : In the first phase we create our own Word Embeddings and see that they do perform better than…

Computation and Language · Computer Science 2017-10-31 Sharath T. S. , Shubhangi Tandon

In our everyday lives and social interactions we often try to perceive the emotional states of people. There has been a lot of research in providing machines with a similar capacity of recognizing emotions. From a computer vision…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Ronak Kosti , Jose M. Alvarez , Adria Recasens , Agata Lapedriza

A multi-modal emotion recognition method was established by combining two-channel convolutional neural network with ring network. This method can extract emotional information effectively and improve learning efficiency. The words were…

Artificial Intelligence · Computer Science 2023-11-21 Jiazhen Wang

Timestamp prediction aims to determine when an image was captured using only visual information, supporting applications such as metadata correction, retrieval, and digital forensics. In outdoor scenarios, hourly estimates rely on cues like…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 David G. Shatwell , Ishan Rajendrakumar Dave , Sirnam Swetha , Mubarak Shah

Identifying the onset of emotional stress in older patients with mood disorders and chronic pain is crucial in mental health studies. To this end, studying the associations between passively sensed variables that measure human behaviors and…

Methodology · Statistics 2025-11-11 Younghoon Kim , Sumanta Basu , Samprit Banerjee

The growth of deep learning (DL) relies heavily on huge amounts of labelled data for tasks such as natural language processing and computer vision. Specifically, in image-to-text or image-to-image pipelines, opinion (sentiment) may be…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Aleksei Krotov , Alison Tebo , Dylan K. Picart , Aaron Dean Algave

This study introduces a novel methodology for modelling patient emotions from online patient experience narratives. We employed metadata network topic modelling to analyse patient-reported experiences from Care Opinion, revealing key…

Computation and Language · Computer Science 2024-01-10 Curtis Murray , Lewis Mitchell , Jonathan Tuke , Mark Mackay

Social media have been widely exploited to detect and gather relevant information about opinions and events. However, the relevance of the information is very subjective and rather depends on the application and the end-users. In this…

Computer Vision and Pattern Recognition · Computer Science 2019-10-11 Syed Zohaib , Kashif Ahmad , Nicola Conci , Ala Al-Fuqaha

Sentic computing relies on well-defined affective models of different complexity - polarity to distinguish positive and negative sentiment, for example, or more nuanced models to capture expressions of human emotions. When used to measure…

Information Retrieval · Computer Science 2021-02-02 Albert Weichselbraun , Jakob Steixner , Adrian M. P. Braşoveanu , Arno Scharl , Max Göbel , Lyndon J. B. Nixon

In the era of rapid technological advancement, social media platforms such as Twitter (X) have emerged as indispensable tools for gathering consumer insights, capturing diverse opinions, and understanding public attitudes. This research…

Human-Computer Interaction · Computer Science 2025-10-23 S M Rakib Ul Karim , Rownak Ara Rasul , Tunazzina Sultana

In this paper, we introduce a framework for classifying images according to high-level sentiment. We subdivide the task into three primary problems: emotion classification on faces, human pose estimation, and 3D estimation and clustering of…

Computer Vision and Pattern Recognition · Computer Science 2017-01-10 Zeshan Hussain , Tariq Patanam , Hardie Cate

Sentiment Analysis aims to get the underlying viewpoint of the text, which could be anything that holds a subjective opinion, such as an online review, Movie rating, Comments on Blog posts etc. This paper presents a novel approach that…

Information Retrieval · Computer Science 2014-06-10 Rahul Tejwani

Sentiment analysis is a key component in various text mining applications. Numerous sentiment classification techniques, including conventional and deep learning-based methods, have been proposed in the literature. In most existing methods,…

Computation and Language · Computer Science 2018-03-22 Ou Wu , Tao Yang , Mengyang Li , Ming Li

The use of video-imaging data for in-line process monitoring applications has become more and more popular in the industry. In this framework, spatio-temporal statistical process monitoring methods are needed to capture the relevant…

Applications · Statistics 2020-04-24 Hao Yan , Marco Grasso , Kamran Paynabar , Bianca Maria Colosimo

Social Media has seen a tremendous growth in the last decade and is continuing to grow at a rapid pace. With such adoption, it is increasingly becoming a rich source of data for opinion mining and sentiment analysis. The detection and…

Machine Learning · Computer Science 2019-12-18 Rahul Radhakrishnan Iyer , Jing Chen , Haonan Sun , Keyang Xu

Many attempts have been made at estimating discrete emotions (calmness, anxiety, boredom, surprise, anger) and continuous emotional measures commonly used in psychology, namely `valence' (The pleasantness of the emotion being displayed) and…

Human-Computer Interaction · Computer Science 2023-10-20 Karthik Subramanian , Saurav Singh , Justin Namba , Jamison Heard , Christopher Kanan , Ferat Sahin

There exists a correlation between geospatial activity temporal patterns and type of land use. A novel self-supervised approach is proposed to stratify landscape based on mobility activity time series. First, the time series signal is…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Yi Cao , Swetava Ganguli , Vipul Pandey

Emotion detection from the text is an important and challenging problem in text analytics. The opinion-mining experts are focusing on the development of emotion detection applications as they have received considerable attention of online…

Emotion Classification based on text is a task with many applications which has received growing interest in recent years. This paper presents a preliminary study with the goal to help researchers and practitioners gain insight into…

Computation and Language · Computer Science 2023-03-01 Anna Koufakou , Jairo Garciga , Adam Paul , Joseph Morelli , Christopher Frank
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