English
Related papers

Related papers: Hyperparameter Optimization and Boosting for Class…

200 papers

Both feature selection and hyperparameter tuning are key tasks in machine learning. Hyperparameter tuning is often useful to increase model performance, while feature selection is undertaken to attain sparse models. Sparsity may yield…

Machine Learning · Statistics 2020-02-14 Martin Binder , Julia Moosbauer , Janek Thomas , Bernd Bischl

Continual learning (CL) aims to train a model on a sequence of tasks (i.e., a CL scenario) while balancing the trade-off between plasticity (learning new tasks) and stability (retaining prior knowledge). The dominantly adopted conventional…

Machine Learning · Computer Science 2025-10-30 Sungmin Cha , Kyunghyun Cho

The computer vision domain has greatly benefited from an abundance of data across many modalities to improve on various visual tasks. Recently, there has been a lot of focus on self-supervised pre-training methods through Masked…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Pîrvu Mihai-Cristian , Marius Leordeanu

Multimodal learning integrates data from diverse sensors to effectively harness information from different modalities. However, recent studies reveal that joint learning often overfits certain modalities while neglecting others, leading to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Feng Yu , Xiangyu Wu , Yang Yang , Jianfeng Lu

In-context learning (ICL) is an astonishing emergent ability of large language models (LLMs). By presenting a prompt that includes multiple input-output pairs as examples and introducing a new query input, models can generate the…

Machine Learning · Computer Science 2023-10-06 Timothy Chu , Zhao Song , Chiwun Yang

This work proposed a novel learning objective to train a deep neural network to perform end-to-end image pixel clustering. We applied the approach to instance segmentation, which is at the intersection of image semantic segmentation and…

Computer Vision and Pattern Recognition · Computer Science 2018-03-20 Yen-Chang Hsu , Zheng Xu , Zsolt Kira , Jiawei Huang

Automatic emotion recognition is an active research topic with wide range of applications. Due to the high manual annotation cost and inevitable label ambiguity, the development of emotion recognition dataset is limited in both scale and…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-08 Jingjun Liang , Ruichen Li , Qin Jin

Automated facial expression analysis has a variety of applications in human-computer interaction. Traditional methods mainly analyze prototypical facial expressions of no more than eight discrete emotions as a classification task. However,…

Computer Vision and Pattern Recognition · Computer Science 2018-05-04 Feng Zhou , Shu Kong , Charless Fowlkes , Tao Chen , Baiying Lei

Symbolic indefinite integration in Computer Algebra Systems such as Maple involves selecting the most effective algorithm from multiple available methods. Not all methods will succeed for a given problem, and when several do, the results,…

Symbolic Computation · Computer Science 2025-08-11 Rashid Barket , Matthew England , Jürgen Gerhard

Micro-expressions are brief spontaneous facial expressions that appear on a face when a person conceals an emotion, making them different to normal facial expressions in subtlety and duration. Currently, emotion classes within the CASME II…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Adrian K. Davison , Walied Merghani , Moi Hoon Yap

Digital advertising increasingly relies on visual content, yet marketers lack rigorous methods for understanding how specific visual attributes causally affect consumer engagement. This paper addresses a fundamental methodological…

Artificial Intelligence · Computer Science 2026-03-04 Yizhi Liu , Balaji Padmanabhan , Siva Viswanathan

Facial expression recognition (FER) in the wild is a challenging task affected by the image quality and has attracted broad interest in computer vision. There is no research using feature fusion and ensemble strategy for FER simultaneously.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Guangyao Zhou , Yuanlun Xie , Yiqin Fu , Zhaokun Wang

It plays a fundamental role to compactly represent the visual information towards the optimization of the ultimate utility in myriad visual data centered applications. With numerous approaches proposed to efficiently compress the texture…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Shurun Wang , Shiqi Wang , Wenhan Yang , Xinfeng Zhang , Shanshe Wang , Siwei Ma , Wen Gao

Face clustering is an essential task in computer vision due to the explosion of related applications such as augmented reality or photo album management. The main challenge of this task lies in the imperfectness of similarities among image…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Xiaotian Yu , Yifan Yang , Aibo Wang , Ling Xing , Hanling Yi , Guangming Lu , Xiaoyu Wang

Pre-training general-purpose visual features with convolutional neural networks without relying on annotations is a challenging and important task. Most recent efforts in unsupervised feature learning have focused on either small or highly…

Computer Vision and Pattern Recognition · Computer Science 2019-08-14 Mathilde Caron , Piotr Bojanowski , Julien Mairal , Armand Joulin

Continual Learning enables models to learn and adapt to new tasks while retaining prior knowledge. Introducing new tasks, however, can naturally lead to feature entanglement across tasks, limiting the model's capability to distinguish…

Machine Learning · Computer Science 2025-01-14 Zhongyi Zhou , Yaxin Peng , Pin Yi , Minjie Zhu , Chaomin Shen

Online metric learning has been widely exploited for large-scale data classification due to the low computational cost. However, amongst online practical scenarios where the features are evolving (e.g., some features are vanished and some…

Machine Learning · Computer Science 2021-07-01 Jiahua Dong , Yang Cong , Gan Sun , Tao Zhang , Xu Tang , Xiaowei Xu

Conventional model upgrades for visual search systems require offline refresh of gallery features by feeding gallery images into new models (dubbed as "backfill"), which is time-consuming and expensive, especially in large-scale…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Binjie Zhang , Yixiao Ge , Yantao Shen , Shupeng Su , Fanzi Wu , Chun Yuan , Xuyuan Xu , Yexin Wang , Ying Shan

Humans can continuously learn new knowledge as their experience grows. In contrast, previous learning in deep neural networks can quickly fade out when they are trained on a new task. In this paper, we hypothesize this problem can be…

Machine Learning · Computer Science 2020-03-27 Jathushan Rajasegaran , Salman Khan , Munawar Hayat , Fahad Shahbaz Khan , Mubarak Shah

Expression cloning plays an important role in facial expression synthesis. In this paper, a novel algorithm is proposed for facial expression cloning. The proposed algorithm first introduces a new elastic model to balance the global and…

Graphics · Computer Science 2015-03-03 Yihao Zhang , Weiyao Lin , Bing Zhou , Zhenzhong Chen , Bin Sheng , Jianxin Wu , Wenjun Zhang