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Related papers: Contrastive Cross-Modal Pre-Training: A General St…

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The major paradigm of applying a pre-trained language model to downstream tasks is to fine-tune it on labeled task data, which often suffers instability and low performance when the labeled examples are scarce.~One way to alleviate this…

Computation and Language · Computer Science 2021-06-07 Ruikun Luo , Guanhuan Huang , Xiaojun Quan

We investigate the utility of pretraining by contrastive self supervised learning on both natural-scene and medical imaging datasets when the unlabeled dataset size is small, or when the diversity within the unlabeled set does not lead to…

Image and Video Processing · Electrical Eng. & Systems 2021-09-07 Ozan Ciga , Tony Xu , Anne L. Martel

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 2023-05-25 Kiran Kokilepersaud , Stephanie Trejo Corona , Mohit Prabhushankar , Ghassan AlRegib , Charles Wykoff

As an algorithmic framework for learning to learn, meta-learning provides a promising solution for few-shot text classification. However, most existing research fail to give enough attention to class labels. Traditional basic framework…

Computation and Language · Computer Science 2024-12-16 Guanghua Hou , Shuhui Cao , Deqiang Ouyang , Ning Wang

Reducing the quantity of annotations required for supervised training is vital when labels are scarce and costly. This reduction is particularly important for semantic segmentation tasks involving 3D datasets, which are often significantly…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Andrej Janda , Brandon Wagstaff , Edwin G. Ng , Jonathan Kelly

Self-supervised pretraining followed by supervised fine-tuning has seen success in image recognition, especially when labeled examples are scarce, but has received limited attention in medical image analysis. This paper studies the…

Despite the successes of deep neural networks on many challenging vision tasks, they often fail to generalize to new test domains that are not distributed identically to the training data. The domain adaptation becomes more challenging for…

Computer Vision and Pattern Recognition · Computer Science 2021-03-08 Devavrat Tomar , Manana Lortkipanidze , Guillaume Vray , Behzad Bozorgtabar , Jean-Philippe Thiran

Cross-modal retrieval between visual data and natural language description remains a long-standing challenge in multimedia. While recent image-text retrieval methods offer great promise by learning deep representations aligned across…

Image-text contrastive learning has proven effective for pretraining medical image models. When targeting localized downstream tasks like semantic segmentation or object detection, additional local contrastive losses that align image…

Computer Vision and Pattern Recognition · Computer Science 2023-03-03 Philip Müller , Georgios Kaissis , Daniel Rueckert

Self-supervised contrastive learning is an effective approach for addressing the challenge of limited labelled data. This study builds upon the previously established two-stage patch-level, multi-label classification method for…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Salma Haidar , José Oramas

Image-to-image translation aims to learn a mapping between different groups of visually distinguishable images. While recent methods have shown impressive ability to change even intricate appearance of images, they still rely on domain…

Computer Vision and Pattern Recognition · Computer Science 2021-05-10 Hanbit Lee , Jinseok Seol , Sang-goo Lee

Recent advances in using language models to obtain cross-modal audio-text representations have overcome the limitations of conventional training approaches that use predefined labels. This has allowed the community to make progress in tasks…

Multi-label image classification presents a challenging task in many domains, including computer vision and medical imaging. Recent advancements have introduced graph-based and transformer-based methods to improve performance and capture…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Ahmad Sajedi , Samir Khaki , Yuri A. Lawryshyn , Konstantinos N. Plataniotis

Current contrastive learning methods use random transformations sampled from a large list of transformations, with fixed hyperparameters, to learn invariance from an unannotated database. Following previous works that introduce a small…

Machine Learning · Computer Science 2023-08-21 Camille Ruppli , Pietro Gori , Roberto Ardon , Isabelle Bloch

Neural network approaches have recently shown to be effective in several information retrieval (IR) tasks. However, neural approaches often require large volumes of training data to perform effectively, which is not always available. To…

Information Retrieval · Computer Science 2018-06-14 Hamed Zamani , W. Bruce Croft

Traditional supervised medical image segmentation models require large amounts of labeled data for training; however, obtaining such large-scale labeled datasets in the real world is extremely challenging. Recent semi-supervised…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Yunyao Lu , Yihang Wu , Reem Kateb , Ahmad Chaddad

Supervised deep learning usually faces more challenges in medical images than in natural images. Since annotations in medical images require the expertise of doctors and are more time-consuming and expensive. Thus, some researchers turn to…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Tao Yang , Lisheng Wang

Existing text recognition methods usually need large-scale training data. Most of them rely on synthetic training data due to the lack of annotated real images. However, there is a domain gap between the synthetic data and real data, which…

Computer Vision and Pattern Recognition · Computer Science 2023-03-03 Mingkun Yang , Minghui Liao , Pu Lu , Jing Wang , Shenggao Zhu , Hualin Luo , Qi Tian , Xiang Bai

Data is one of the essential ingredients to power deep learning research. Small datasets, especially specific to medical institutes, bring challenges to deep learning training stage. This work aims to develop a practical deep multimodal…

Machine Learning · Computer Science 2019-02-26 Faik Aydin , Maggie Zhang , Michelle Ananda-Rajah , Gholamreza Haffari

In medical image segmentation tasks, the scarcity of labeled training data poses a significant challenge when training deep neural networks. When using U-Net-style architectures, it is common practice to address this problem by pretraining…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Gábor Hidy , Bence Bakos , András Lukács