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Pre-training plays a vital role in various vision tasks, such as object recognition and detection. Commonly used pre-training methods, which typically rely on randomized approaches like uniform or Gaussian distributions to initialize model…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Chen-Long Duan , Yong Li , Xiu-Shen Wei , Lin Zhao

Contrastive learning has gained popularity and pushes state-of-the-art performance across numerous large-scale benchmarks. In contrastive learning, the contrastive loss function plays a pivotal role in discerning similarities between…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Haojin Deng , Yimin Yang

Purpose: Deformable Image Registration (DIR) can benefit from additional guidance using corresponding landmarks in the images. However, the benefits thereof are largely understudied, especially due to the lack of automatic landmark…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Monika Grewal , Jan Wiersma , Henrike Westerveld , Peter A. N. Bosman , Tanja Alderliesten

Real-world face detection and alignment demand an advanced discriminative model to address challenges by pose, lighting and expression. Illuminated by the deep learning algorithm, some convolutional neural networks based face detection and…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Weilin Cong , Sanyuan Zhao , Hui Tian , Jianbing Shen

Human ability to recognize complex visual patterns arises through transformations performed by successive areas in the ventral visual cortex. Deep neural networks trained end-to-end for object recognition approach human capabilities, and…

Neurons and Cognition · Quantitative Biology 2024-11-12 Nikhil Parthasarathy , Olivier J. Hénaff , Eero P. Simoncelli

Prototypical contrastive learning (PCL) has been widely used to learn class-wise domain-invariant features recently. These methods are based on the assumption that the prototypes, which are represented as the central value of the same class…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Muxin Liao , Shishun Tian , Yuhang Zhang , Guoguang Hua , Wenbin Zou , Xia Li

Image segmentation relies on large annotated datasets, which are expensive and slow to produce. Silver-standard (AI-generated) labels are easier to obtain, but they risk introducing bias. Self-supervised learning, needing only images, has…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Marceau Lafargue-Hauret , Raghav Mehta , Fabio De Sousa Ribeiro , Mélanie Roschewitz , Ben Glocker

Previous deep learning approaches for survival analysis have primarily relied on ranking losses to improve discrimination performance, which often comes at the expense of calibration performance. To address such an issue, we propose a novel…

Machine Learning · Computer Science 2024-11-22 Dongjoon Lee , Hyeryn Park , Changhee Lee

Dense Self-Supervised Learning (SSL) methods address the limitations of using image-level feature representations when handling images with multiple objects. Although the dense features extracted by employing segmentation maps and bounding…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Congpei Qiu , Tong Zhang , Wei Ke , Mathieu Salzmann , Sabine Süsstrunk

In neutrino physics, analyses often depend on large simulated datasets, making it essential for models to generalise effectively to real-world detector data. Contrastive learning, a well-established technique in deep learning, offers a…

High Energy Physics - Experiment · Physics 2025-05-23 Alex Wilkinson , Radi Radev , Saul Alonso-Monsalve

Medical image segmentation, or computing voxelwise semantic masks, is a fundamental yet challenging task to compute a voxel-level semantic mask. To increase the ability of encoder-decoder neural networks to perform this task across large…

Computer Vision and Pattern Recognition · Computer Science 2021-11-10 Ho Hin Lee , Yucheng Tang , Qi Yang , Xin Yu , Shunxing Bao , Leon Y. Cai , Lucas W. Remedios , Bennett A. Landman , Yuankai Huo

Cervical cancer, the fourth leading cause of cancer in women globally, requires early detection through Pap smear tests to identify precancerous changes and prevent disease progression. In this study, we performed a focused analysis by…

Image and Video Processing · Electrical Eng. & Systems 2025-05-22 Abdul Samad Shaik , Shashaank Mattur Aswatha , Rahul Jashvantbhai Pandya

Contrastive learning -- a modern approach to extract useful representations from unlabeled data by training models to distinguish similar samples from dissimilar ones -- has driven significant progress in foundation models. In this work, we…

Machine Learning · Statistics 2025-10-15 Licong Lin , Song Mei

Inspired by the success of BERT, several multimodal representation learning approaches have been proposed that jointly represent image and text. These approaches achieve superior performance by capturing high-level semantic information from…

Computer Vision and Pattern Recognition · Computer Science 2021-09-27 Lei Shi , Kai Shuang , Shijie Geng , Peng Gao , Zuohui Fu , Gerard de Melo , Yunpeng Chen , Sen Su

Dense object detection and temporal tracking are needed across applications domains ranging from people-tracking to analysis of satellite imagery over time. The detection and tracking of malignant skin cancers and benign moles poses a…

Computer Vision and Pattern Recognition · Computer Science 2016-12-06 Yunzhu Li , Andre Esteva , Brett Kuprel , Rob Novoa , Justin Ko , Sebastian Thrun

This paper presents a novel positive and negative set selection strategy for contrastive learning of medical images based on labels that can be extracted from clinical data. In the medical field, there exists a variety of labels for data…

Computer Vision and Pattern Recognition · Computer Science 2022-11-10 Kiran Kokilepersaud , Mohit Prabhushankar , Ghassan AlRegib

Nonlinear image registration continues to be a fundamentally important tool in medical image analysis. Diagnostic tasks, image-guided surgery and radiotherapy as well as motion analysis all rely heavily on accurate intra-patient alignment.…

Computer Vision and Pattern Recognition · Computer Science 2019-07-26 Mattias P. Heinrich

Template matching by normalized cross correlation (NCC) is widely used for finding image correspondences. We improve the robustness of this algorithm by preprocessing images with "siamese" convolutional networks trained to maximize the…

Computer Vision and Pattern Recognition · Computer Science 2017-05-25 Davit Buniatyan , Thomas Macrina , Dodam Ih , Jonathan Zung , H. Sebastian Seung

In the field of neuroimaging, accurate brain age prediction is pivotal for uncovering the complexities of brain aging and pinpointing early indicators of neurodegenerative conditions. Recent advancements in self-supervised learning,…

Deep neural networks are increasingly used in medical imaging for tasks such as pathological classification, but they face challenges due to the scarcity of high-quality, expert-labeled training data. Recent efforts have utilized…

Machine Learning · Computer Science 2024-10-14 Jongseong Jang , Daeun Kyung , Seung Hwan Kim , Honglak Lee , Kyunghoon Bae , Edward Choi