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In image classification, visual separability between different object categories is highly uneven, and some categories are more difficult to distinguish than others. Such difficult categories demand more dedicated classifiers. However,…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Zhicheng Yan , Hao Zhang , Robinson Piramuthu , Vignesh Jagadeesh , Dennis DeCoste , Wei Di , Yizhou Yu

Meta learning is a promising solution to few-shot learning problems. However, existing meta learning methods are restricted to the scenarios where training and application tasks share the same out-put structure. To obtain a meta model…

Machine Learning · Computer Science 2019-04-22 Yingtian Zou , Jiashi Feng

The behaviors of deep neural networks (DNNs) are notoriously resistant to human interpretations. In this paper, we propose Hypergradient Data Relevance Analysis, or HYDRA, which interprets the predictions made by DNNs as effects of their…

Machine Learning · Computer Science 2025-04-29 Yuanyuan Chen , Boyang Li , Han Yu , Pengcheng Wu , Chunyan Miao

Micro expression recognition (MER) is a very challenging area of research due to its intrinsic nature and fine-grained changes. In the literature, the problem of MER has been solved through handcrafted/descriptor-based techniques. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Monu Verma , Santosh Kumar Vipparthi , Girdhari Singh

Discovering molecules with desirable molecular properties, including ADMET profiles, is of great importance in drug discovery. Existing approaches typically employ deep learning models, such as Graph Neural Networks (GNNs) and Transformers,…

Biomolecules · Quantitative Biology 2025-05-13 Huiyang Hong , Xinkai Wu , Hongyu Sun , Chaoyang Xie , Qi Wang , Yuquan Li

We propose a novel method for code summarization utilizing Heterogeneous Code Representations (HCRs) and our specially designed HierarchyNet. HCRs effectively capture essential code features at lexical, syntactic, and semantic levels by…

Software Engineering · Computer Science 2023-05-10 Minh Huynh Nguyen , Nghi D. Q. Bui , Truong Son Hy , Long Tran-Thanh , Tien N. Nguyen

Graph classification is a crucial task in many real-world multimedia applications, where graphs can represent various multimedia data types such as images, videos, and social networks. Previous efforts have applied graph neural networks…

Machine Learning · Computer Science 2023-09-08 Zhengyang Mao , Wei Ju , Yifang Qin , Xiao Luo , Ming Zhang

Offline handwritten mathematical expression recognition is a challenging task, because handwritten mathematical expressions mainly have two problems in the process of recognition. On one hand, it is how to correctly recognize different…

Computer Vision and Pattern Recognition · Computer Science 2020-05-29 Guangcun Shan , Hongyu Wang , Wei Liang

Small object detection is challenging because small objects do not contain detailed information and may even disappear in the deep network. Usually, feeding high-resolution images into a network can alleviate this issue. However, simply…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Ziming Liu , Guangyu Gao , Lin Sun , Zhiyuan Fang

Accurate and reliable histopathological image classification is essential for breast cancer diagnosis. However, many deep learning models remain sensitive to magnification variability and lack interpretability. To address these challenges,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Enam Ahmed Taufika , Md Ahasanul Arafatha , Abhijit Kumar Ghoshb , Md. Tanzim Rezab , Md Ashad Alamc

Hierarchical text classification (HTC) is a complex subtask under multi-label text classification, characterized by a hierarchical label taxonomy and data imbalance. The best-performing models aim to learn a static representation by…

Computation and Language · Computer Science 2024-02-23 Vidit Jain , Mukund Rungta , Yuchen Zhuang , Yue Yu , Zeyu Wang , Mu Gao , Jeffrey Skolnick , Chao Zhang

The use of artificial intelligence technology in education is growing rapidly, with increasing attention being paid to handwritten mathematical expression recognition (HMER) by researchers. However, many existing methods for HMER may fail…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Ziqi Ye

At present, attention mechanism has been widely applied to the fields of deep learning models. Structural models that based on attention mechanism can not only record the relationships between features position, but also can measure the…

Machine Learning · Computer Science 2021-05-12 Xiaolong Wei , LiFang Yang , Xianglin Huang , Gang Cao , Tao Zhulin , Zhengyang Du , Jing An

High Dynamic Range (HDR) imaging aims to replicate the high visual quality and clarity of real-world scenes. Due to the high costs associated with HDR imaging, the literature offers various data-driven methods for HDR image reconstruction…

Image and Video Processing · Electrical Eng. & Systems 2024-02-13 Hrishav Bakul Barua , Ganesh Krishnasamy , KokSheik Wong , Abhinav Dhall , Kalin Stefanov

Modeling subsurface fluid flow in porous media is crucial for applications such as oil and gas exploration. However, the inherent heterogeneity and multi-scale characteristics of these systems pose significant challenges in accurately…

Fluid Dynamics · Physics 2026-03-04 Jie Chen , Peiqi Li , Zhengkang He , Simon Hands

Micro-expressions recognition (MER) has essential application value in many fields, but the short duration and low intensity of micro-expressions (MEs) bring considerable challenges to MER. The current MER methods in deep learning mainly…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Liangyu Fu , Xuecheng Wu , Danlei Huang , Xinyi Yin

Multimodal named entity recognition and relation extraction (MNER and MRE) is a fundamental and crucial branch in information extraction. However, existing approaches for MNER and MRE usually suffer from error sensitivity when irrelevant…

Computation and Language · Computer Science 2022-12-01 Xiang Chen , Ningyu Zhang , Lei Li , Yunzhi Yao , Shumin Deng , Chuanqi Tan , Fei Huang , Luo Si , Huajun Chen

Recent advances in Hierarchical Multi-label Classification (HMC), particularly neurosymbolic-based approaches, have demonstrated improved consistency and accuracy by enforcing constraints on a neural model during training. However, such…

Machine Learning · Computer Science 2025-12-29 Joshua Shay Kricheli , Khoa Vo , Aniruddha Datta , Spencer Ozgur , Paulo Shakarian

High Resolution Range Profiles (HRRP) have become a key area of focus in the domain of Radar Automatic Target Recognition (RATR). Despite the success of deep learning based HRRP recognition, these methods needs a large amount of training…

Signal Processing · Electrical Eng. & Systems 2026-03-27 Lingfeng Chen , Xiao Sun , Zhiliang Pan , Zehao Wang , Xiaolong Su , Zhen Liu , Panhe Hu

Recently, high dynamic range (HDR) image reconstruction based on the multiple exposure stack from a given single exposure utilizes a deep learning framework to generate high-quality HDR images. These conventional networks focus on the…

Image and Video Processing · Electrical Eng. & Systems 2020-12-21 Jung Hee Kim , Siyeong Lee , Suk-Ju Kang