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Cell classification and counting in immunohistochemical cytoplasm staining images play a pivotal role in cancer diagnosis. Weakly supervised learning is a potential method to deal with labor-intensive labeling. However, the inconstant cell…

图像与视频处理 · 电气工程与系统科学 2022-03-01 Shichuan Zhang , Chenglu Zhu , Honglin Li , Jiatong Cai , Lin Yang

We explore how weak supervision on abundant unlabeled data can be leveraged to improve few-shot performance in aspect-based sentiment analysis (ABSA) tasks. We propose a pipeline approach to construct a noisy ABSA dataset, and we use it to…

Automatic affect recognition has applications in many areas such as education, gaming, software development, automotives, medical care, etc. but it is non trivial task to achieve appreciable performance on in-the-wild data sets. In-the-wild…

计算机视觉与模式识别 · 计算机科学 2022-08-08 Darshan Gera , Badveeti Naveen Siva Kumar , Bobbili Veerendra Raj Kumar , S Balasubramanian

Multimodal sentiment analysis is an important area for understanding the user's internal states. Deep learning methods were effective, but the problem of poor interpretability has gradually gained attention. Previous works have attempted to…

计算与语言 · 计算机科学 2023-05-15 Sixia Li , Shogo Okada

Aspect-based sentiment analysis of review texts is of great value for understanding user feedback in a fine-grained manner. It has in general two sub-tasks: (i) extracting aspects from each review, and (ii) classifying aspect-based reviews…

计算与语言 · 计算机科学 2020-10-15 Jiaxin Huang , Yu Meng , Fang Guo , Heng Ji , Jiawei Han

Emotion recognition is a challenging task due to limited availability of in-the-wild labeled datasets. Self-supervised learning has shown improvements on tasks with limited labeled datasets in domains like speech and natural language.…

计算与语言 · 计算机科学 2021-04-08 Aparna Khare , Srinivas Parthasarathy , Shiva Sundaram

Face based affective computing consists in detecting emotions from face images. It is useful to unlock better automatic comprehension of human behaviours and could pave the way toward improved human-machines interactions. However it comes…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Gauthier Tallec , Jules Bonnard , Arnaud Dapogny , Kévin Bailly

Benefiting from the joint learning of the multiple tasks in the deep multi-task networks, many applications have shown the promising performance comparing to single-task learning. However, the performance of multi-task learning framework is…

计算机视觉与模式识别 · 计算机科学 2019-11-11 Zuheng Ming , Junshi Xia , Muhammad Muzzamil Luqman , Jean-Christophe Burie , Kaixing Zhao

Multi-task learning has recently become a very active field in deep learning research. In contrast to learning a single task in isolation, multiple tasks are learned at the same time, thereby utilizing the training signal of related tasks…

计算与语言 · 计算机科学 2019-04-24 Tobias Kahse

How can "weak teacher models" such as average human annotators or existing AI systems, effectively supervise LLMs to improve performance on hard reasoning tasks, especially those that challenge and requires expertise or daily practice from…

机器学习 · 计算机科学 2025-02-26 Xuan He , Da Yin , Nanyun Peng

Affective Analysis is not a single task, and the valence-arousal value, expression class, and action unit can be predicted at the same time. Previous researches did not pay enough attention to the entanglement and hierarchical relation of…

计算机视觉与模式识别 · 计算机科学 2021-07-20 Ruian He , Zhen Xing , Weimin Tan , Bo Yan

Multi-task learning is a very challenging problem in reinforcement learning. While training multiple tasks jointly allow the policies to share parameters across different tasks, the optimization problem becomes non-trivial: It remains…

机器学习 · 计算机科学 2020-12-08 Ruihan Yang , Huazhe Xu , Yi Wu , Xiaolong Wang

Given the massive market of advertising and the sharply increasing online multimedia content (such as videos), it is now fashionable to promote advertisements (ads) together with the multimedia content. It is exhausted to find relevant ads…

多媒体 · 计算机科学 2020-01-06 Huaizheng Zhang , Yong Luo , Qiming Ai , Yonggang Wen

In ML-aided decision-making tasks, such as fraud detection or medical diagnosis, the human-in-the-loop, usually a domain-expert without technical ML knowledge, prefers high-level concept-based explanations instead of low-level explanations…

机器学习 · 计算机科学 2021-04-27 Catarina Belém , Vladimir Balayan , Pedro Saleiro , Pedro Bizarro

Analyzing human affect is vital for human-computer interaction systems. Most methods are developed in restricted scenarios which are not practical for in-the-wild settings. The Affective Behavior Analysis in-the-wild (ABAW) 2021 Contest…

计算机视觉与模式识别 · 计算机科学 2021-07-16 Yue Jin , Tianqing Zheng , Chao Gao , Guoqiang Xu

We train a unified model to perform three tasks: facial action unit detection, expression classification, and valence-arousal estimation. We address two main challenges of learning the three tasks. First, most existing datasets are highly…

计算机视觉与模式识别 · 计算机科学 2020-03-11 Didan Deng , Zhaokang Chen , Bertram E. Shi

Deep models for facial expression recognition achieve high performance by training on large-scale labeled data. However, publicly available datasets contain uncertain facial expressions caused by ambiguous annotations or confusing emotions,…

计算机视觉与模式识别 · 计算机科学 2022-12-15 Yang Liu , Xingming Zhang , Janne Kauttonen , Guoying Zhao

In recent years, simultaneous learning of multiple dense prediction tasks with partially annotated label data has emerged as an important research area. Previous works primarily focus on leveraging cross-task relations or conducting…

计算机视觉与模式识别 · 计算机科学 2025-08-01 Jingdong Zhang , Hanrong Ye , Xin Li , Wenping Wang , Dan Xu

Leveraging task-aware annotated data as supervised signals to assist with self-supervised learning on large-scale unlabeled data has become a new trend in pre-training language models. Existing studies show that multi-task learning with…

计算与语言 · 计算机科学 2022-10-13 Zhuosheng Zhang , Shuohang Wang , Yichong Xu , Yuwei Fang , Wenhao Yu , Yang Liu , Hai Zhao , Chenguang Zhu , Michael Zeng

Unsupervised learning has been an attractive method for easily deriving meaningful data representations from vast amounts of unlabeled data. These representations, or embeddings, often yield superior results in many tasks, whether used…

计算与语言 · 计算机科学 2018-11-02 Shao-Yen Tseng , Brian Baucom , Panayiotis Georgiou