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Machine learning has a recognised need for large amounts of annotated data. Due to the high cost of expert annotations, crowdsourcing, where non-experts are asked to label or outline images, has been proposed as an alternative. Although…

Human-Computer Interaction · Computer Science 2020-07-08 Ralf Raumanns , Elif K Contar , Gerard Schouten , Veronika Cheplygina

Vision-language models (VLMs) show promise as tools for inferring affect from visual stimuli at scale; it is not yet clear how closely their outputs align with human affective ratings. We benchmarked nine VLMs, ranging from state-of-the-art…

In this paper, we analyze PAC learnability from labels produced by crowdsourcing. In our setting, unlabeled examples are drawn from a distribution and labels are crowdsourced from workers who operate under classification noise, each with…

Machine Learning · Computer Science 2019-02-14 Shelby Heinecke , Lev Reyzin

In this paper we propose a new approach for classifying the global emotion of images containing groups of people. To achieve this task, we consider two different and complementary sources of information: i) a global representation of the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-11 Aarush Gupta , Dakshit Agrawal , Hardik Chauhan , Jose Dolz , Marco Pedersoli

AffectNet contains more than 1,000,000 facial images which manually annotated for the presence of eight discrete facial expressions and the intensity of valence and arousal. Adaptive structural learning method of DBN (Adaptive DBN) is…

Neural and Evolutionary Computing · Computer Science 2019-10-01 Takumi Ichimura , Shin Kamada

Automatic facial emotion recognition is a challenging task that has gained significant scientific interest over the past few years, but the problem of emotion recognition for a group of people has been less extensively studied. However, it…

Computer Vision and Pattern Recognition · Computer Science 2019-05-06 Samanyou Garg

The problem of estimating subjective visual properties from image and video has attracted increasing interest. A subjective visual property is useful either on its own (e.g. image and video interestingness) or as an intermediate…

Computer Vision and Pattern Recognition · Computer Science 2015-07-28 Yanwei Fu , Timothy M. Hospedales , Tao Xiang , Jiechao Xiong , Shaogang Gong , Yizhou Wang , Yuan Yao

Despite significant progress over the past few years, ambiguity is still a key challenge in Facial Expression Recognition (FER). It can lead to noisy and inconsistent annotation, which hinders the performance of deep learning models in…

Computer Vision and Pattern Recognition · Computer Science 2022-09-22 Nhat Le , Khanh Nguyen , Quang Tran , Erman Tjiputra , Bac Le , Anh Nguyen

The availability of training data for supervision is a frequently encountered bottleneck of medical image analysis methods. While typically established by a clinical expert rater, the increase in acquired imaging data renders traditional…

The problem of estimating subjective visual properties (SVP) of images (e.g., Shoes A is more comfortable than B) is gaining rising attention. Due to its highly subjective nature, different annotators often exhibit different interpretations…

Computer Vision and Pattern Recognition · Computer Science 2019-03-12 Qianqian Xu , Zhiyong Yang , Yangbangyan Jiang , Xiaochun Cao , Qingming Huang , Yuan Yao

The task of predicting affective information in the wild such as seven basic emotions or action units from human faces has gradually become more interesting due to the accessibility and availability of massive annotated datasets. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-07-12 Phan Tran Dac Thinh , Hoang Manh Hung , Hyung-Jeong Yang , Soo-Hyung Kim , Guee-Sang Lee

Facial expression is a way of communication that can be used to interact with computers or other electronic devices and the recognition of emotion from faces is an emerging practice with application in many fields. There are many…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Salik Ram Khanal , Prabin Sharma , Hugo Fernandes , João Barroso , Vítor Manuel de Jesus Filipe

Numerous automatic continuous emotion detection system studies have examined mostly use of videos and images containing individual person expressing emotions. This study examines the detection of spontaneous emotions in a group and crowd…

Computer Vision and Pattern Recognition · Computer Science 2016-10-19 Amol Patwardhan

Collecting annotations from human raters often results in a trade-off between the quantity of labels one wishes to gather and the quality of these labels. As such, it is often only possible to gather a small amount of high-quality labels.…

Machine Learning · Computer Science 2021-10-05 Neel Nanda , Jonathan Uesato , Sven Gowal

This paper considers the challenge of evaluating a set of classifiers, as done in shared task evaluations like the KDD Cup or NIST TREC, without expert labels. While expert labels provide the traditional cornerstone for evaluating…

Machine Learning · Computer Science 2012-12-06 Hyun Joon Jung , Matthew Lease

Emotion recognition is a critical component of affective computing. Training accurate machine learning models for emotion recognition typically requires a large amount of labeled data. Due to the subtleness and complexity of emotions,…

Machine Learning · Computer Science 2024-12-03 Yifan Xu , Xue Jiang , Dongrui Wu

Label smoothing is widely used in deep neural networks for multi-class classification. While it enhances model generalization and reduces overconfidence by aiming to lower the probability for the predicted class, it distorts the predicted…

Machine Learning · Computer Science 2021-10-12 Mohamed Maher , Meelis Kull

Emotions recognition is commonly employed for health assessment. However, the typical metric for evaluation in therapy is based on patient-doctor appraisal. This process can fall into the issue of subjectivity, while also requiring…

Human-Computer Interaction · Computer Science 2021-01-21 Jumana Almahmoud , Kruthika Kikkeri

Speech emotion recognition (SER) has traditionally relied on categorical or dimensional labels. However, this technique is limited in representing both the diversity and interpretability of emotions. To overcome this limitation, we focus on…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-19 Ryotaro Nagase , Ryoichi Takashima , Yoichi Yamashita

Acoustic scene classification identifies an input segment into one of the pre-defined classes using spectral information. The spectral information of acoustic scenes may not be mutually exclusive due to common acoustic properties across…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-18 Hee-Soo Heo , Jee-weon Jung , Hye-jin Shim , Ha-Jin Yu