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A wide range of biomedical applications requires enhancement, detection, quantification and modelling of curvilinear structures in 2D and 3D images. Curvilinear structure enhancement is a crucial step for further analysis, but many of the…

Computer Vision and Pattern Recognition · Computer Science 2019-01-08 Shuaa S. Alharbi , Cigdem Sazak , Carl J. Nelson , Boguslaw Obara

Few-shot learning is an established topic in natural images for years, but few work is attended to histology images, which is of high clinical value since well-labeled datasets and rare abnormal samples are expensive to collect. Here, we…

Image and Video Processing · Electrical Eng. & Systems 2022-02-21 Jiawei Yang , Hanbo Chen , Jiangpeng Yan , Xiaoyu Chen , Jianhua Yao

Contrastive Learning (CL) performances as a rising approach to address the challenge of sparse and noisy recommendation data. Although having achieved promising results, most existing CL methods only perform either hand-crafted data or…

Information Retrieval · Computer Science 2023-11-22 Xiuyuan Qin , Huanhuan Yuan , Pengpeng Zhao , Junhua Fang , Fuzhen Zhuang , Guanfeng Liu , Victor Sheng

Pap smear image quality is crucial for cervical cancer detection. This study introduces an optimized hybrid approach that combines the Perona-Malik Diffusion (PMD) filter with contrast-limited adaptive histogram equalization (CLAHE) to…

Image and Video Processing · Electrical Eng. & Systems 2025-02-24 Ach Khozaimi , Isnani Darti , Syaiful Anam , Wuryansari Muharini Kusumawinahyu

Low-light image enhancement (LLE) remains challenging due to the unfavorable prevailing low-contrast and weak-visibility problems of single RGB images. In this paper, we respond to the intriguing learning-related question -- if leveraging…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Dong Liang , Ling Li , Mingqiang Wei , Shuo Yang , Liyan Zhang , Wenhan Yang , Yun Du , Huiyu Zhou

Cervical cancer remains a significant health problem, especially in developing countries. Early detection is critical for effective treatment. Convolutional neural networks (CNN) have shown promise in automated cervical cancer screening,…

Image and Video Processing · Electrical Eng. & Systems 2025-06-19 Ach Khozaimi , Isnani Darti , Syaiful Anam , Wuryansari Muharini Kusumawinahyu

Contrastive learning (CL) has become a dominant paradigm for self-supervised hypergraph learning, enabling effective training without costly labels. However, node entities in real-world hypergraphs are often associated with rich textual…

Machine Learning · Computer Science 2026-05-26 Mengting Pan , Fan Li , Chen Chen , Xiaoyang Wang , Wenjie Zhang

H&E-to-IHC stain translation techniques offer a promising solution for precise cancer diagnosis, especially in low-resource regions where there is a shortage of health professionals and limited access to expensive equipment. Considering the…

Image and Video Processing · Electrical Eng. & Systems 2024-09-04 Song Wang , Zhong Zhang , Huan Yan , Ming Xu , Guanghui Wang

In this paper, we propose a general framework to accelerate the universal histogram-based image contrast enhancement (CE) algorithms. Both spatial and gray-level selective down-sampling of digital images are adopted to decrease…

Multimedia · Computer Science 2022-08-31 Gang Cao , Huawei Tian , Lifang Yu , Xianglin Huang , Yongbin Wang

Underwater image enhancement (UIE) is a highly challenging task due to the complexity of underwater environment and the diversity of underwater image degradation. Due to the application of deep learning, current UIE methods have made…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Yi Liu , Qiuping Jiang , Xinyi Wang , Ting Luo , Jingchun Zhou

Self-supervised contrastive learning (CL) has achieved state-of-the-art performance in representation learning by minimizing the distance between positive pairs while maximizing that of negative ones. Recently, it has been verified that the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Jin-Young Kim , Soonwoo Kwon , Hyojun Go , Yunsung Lee , Seungtaek Choi , Hyun-Gyoon Kim

Due to its powerful capability of self-supervised representation learning and clustering, contrastive attributed graph clustering (CAGC) has achieved great success, which mainly depends on effective data augmentation and contrastive…

Machine Learning · Computer Science 2025-10-06 Tianxiang Zhao , Youqing Wang , Jinlu Wang , Jiapu Wang , Mingliang Cui , Junbin Gao , Jipeng Guo

Inspired by the success of contrastive learning (CL) in computer vision and natural language processing, graph contrastive learning (GCL) has been developed to learn discriminative node representations on graph datasets. However, the…

Machine Learning · Computer Science 2023-01-03 Zehong Wang , Qi Li , Donghua Yu , Xiaolong Han , Xiao-Zhi Gao , Shigen Shen

Three-dimensional (3D) imaging is popular in medical applications, however, anisotropic 3D volumes with thick, low-spatial-resolution slices are often acquired to reduce scan times. Deep learning (DL) offers a solution to recover…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Michele Pascale , Vivek Muthurangu , Javier Montalt Tordera , Heather E Fitzke , Gauraang Bhatnagar , Stuart Taylor , Jennifer Steeden

Contrastive learning has achieved great success in self-supervised visual representation learning, but existing approaches mostly ignored spatial information which is often crucial for visual representation. This paper presents…

Computer Vision and Pattern Recognition · Computer Science 2020-11-20 Xinyue Huo , Lingxi Xie , Longhui Wei , Xiaopeng Zhang , Hao Li , Zijie Yang , Wengang Zhou , Houqiang Li , Qi Tian

We study the performance of CLAIRE -- a diffeomorphic multi-node, multi-GPU image-registration algorithm, and software -- in large-scale biomedical imaging applications with billions of voxels. At such resolutions, most existing software…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Naveen Himthani , Malte Brunn , Jae-Youn Kim , Miriam Schulte , Andreas Mang , George Biros

The development of unsupervised hashing is advanced by the recent popular contrastive learning paradigm. However, previous contrastive learning-based works have been hampered by (1) insufficient data similarity mining based on global-only…

Computer Vision and Pattern Recognition · Computer Science 2022-09-29 Jiaguo Yu , Huming Qiu , Dubing Chen , Haofeng Zhang

Recently, contrastive learning (CL) has emerged as a successful method for unsupervised graph representation learning. Most graph CL methods first perform stochastic augmentation on the input graph to obtain two graph views and maximize the…

Machine Learning · Computer Science 2021-03-01 Yanqiao Zhu , Yichen Xu , Feng Yu , Qiang Liu , Shu Wu , Liang Wang

State-of-the-art pre-trained image models predominantly adopt a two-stage approach: initial unsupervised pre-training on large-scale datasets followed by task-specific fine-tuning using Cross-Entropy loss~(CE). However, it has been…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Zijun Long , George Killick , Lipeng Zhuang , Gerardo Aragon-Camarasa , Zaiqiao Meng , Richard Mccreadie

Contrastive learning has been proven beneficial for self-supervised skeleton-based action recognition. Most contrastive learning methods utilize carefully designed augmentations to generate different movement patterns of skeletons for the…

Computer Vision and Pattern Recognition · Computer Science 2023-07-13 Jiahang Zhang , Lilang Lin , Jiaying Liu