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Semi-supervised learning in medical image segmentation leverages unlabeled data to reduce annotation burdens through consistency learning. However, current methods struggle with class imbalance and high uncertainty from pathology…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Maregu Assefa , Muzammal Naseer , Iyyakutti Iyappan Ganapathi , Syed Sadaf Ali , Mohamed L Seghier , Naoufel Werghi

One of the challenges in developing deep learning algorithms for medical image segmentation is the scarcity of annotated training data. To overcome this limitation, data augmentation and semi-supervised learning (SSL) methods have been…

图像与视频处理 · 电气工程与系统科学 2020-09-02 Bram Ruijsink , Esther Puyol-Anton , Ye Li , Wenja Bai , Eric Kerfoot , Reza Razavi , Andrew P. King

Semi-supervised learning has attracted much attention in medical image segmentation due to challenges in acquiring pixel-wise image annotations, which is a crucial step for building high-performance deep learning methods. Most existing…

计算机视觉与模式识别 · 计算机科学 2020-10-22 Shuailin Li , Chuyu Zhang , Xuming He

We show that bringing intermediate layers' representations of two augmented versions of an image closer together in self-supervised learning helps to improve the momentum contrastive (MoCo) method. To this end, in addition to the…

计算机视觉与模式识别 · 计算机科学 2021-10-29 Aakash Kaku , Sahana Upadhya , Narges Razavian

A key feature of magnetic resonance (MR) imaging is its ability to manipulate how the intrinsic tissue parameters of the anatomy ultimately contribute to the contrast properties of the final, acquired image. This flexibility, however, can…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Dzung L. Pham , Snehashis Roy

Semi-supervised medical image segmentation has attracted much attention in recent years because of the high cost of medical image annotations. In this paper, we propose a novel Inherent Consistent Learning (ICL) method, aims to learn robust…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Ye Zhu , Jie Yang , Si-Qi Liu , Ruimao Zhang

We present a weakly supervised deep learning method to perform instance segmentation of cells present in microscopy images. Annotation of biomedical images in the lab can be scarce, incomplete, and inaccurate. This is of concern when…

计算机视觉与模式识别 · 计算机科学 2019-08-28 Fidel A. Guerrero-Peña , Pedro D. Marrero Fernandez , Tsang Ing Ren , Alexandre Cunha

Deep learning models (DLMs) frequently achieve accurate segmentation and classification of tumors from medical images. However, DLMs lacking feedback on their image segmentation mechanisms, such as Dice coefficients and confidence in their…

图像与视频处理 · 电气工程与系统科学 2024-12-31 Elhoucine Elfatimi , Pratik Shah

Recently, significant advancements in artificial intelligence have been attributed to the integration of self-supervised learning (SSL) scheme. While SSL has shown impressive achievements in natural language processing (NLP), its progress…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Shervin Halat , Mohammad Rahmati , Ehsan Nazerfard

Large amounts of unlabelled data are commonplace for many applications in computational pathology, whereas labelled data is often expensive, both in time and cost, to acquire. We investigate the performance of unsupervised and supervised…

计算机视觉与模式识别 · 计算机科学 2019-07-27 Koen Dercksen , Wouter Bulten , Geert Litjens

Unsupervised pre-training has been proven as an effective approach to boost various downstream tasks given limited labeled data. Among various methods, contrastive learning learns a discriminative representation by constructing positive and…

图像与视频处理 · 电气工程与系统科学 2022-02-17 Jizong Peng , Ping Wang , Marco Pedersoli , Christian Desrosiers

Learning discriminative image representations plays a vital role in long-tailed image classification because it can ease the classifier learning in imbalanced cases. Given the promising performance contrastive learning has shown recently in…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Peng Wang , Kai Han , Xiu-Shen Wei , Lei Zhang , Lei Wang

Self-supervised learning has proven to be an effective way to learn representations in domains where annotated labels are scarce, such as medical imaging. A widely adopted framework for this purpose is contrastive learning and it has been…

计算机视觉与模式识别 · 计算机科学 2024-02-23 Hugo Figueiras , Helena Aidos , Nuno Cruz Garcia

Although unsupervised domain adaptation (UDA) is a promising direction to alleviate domain shift, they fall short of their supervised counterparts. In this work, we investigate relatively less explored semi-supervised domain adaptation…

计算机视觉与模式识别 · 计算机科学 2023-07-07 Hritam Basak , Zhaozheng Yin

This study introduces an efficacious approach, Masked Collaborative Contrast (MCC), to highlight semantic regions in weakly supervised semantic segmentation. MCC adroitly draws inspiration from masked image modeling and contrastive learning…

计算机视觉与模式识别 · 计算机科学 2023-11-10 Fangwen Wu , Jingxuan He , Yufei Yin , Yanbin Hao , Gang Huang , Lechao Cheng

In this paper, we present a novel cross-consistency based semi-supervised approach for semantic segmentation. Consistency training has proven to be a powerful semi-supervised learning framework for leveraging unlabeled data under the…

计算机视觉与模式识别 · 计算机科学 2020-06-11 Yassine Ouali , Céline Hudelot , Myriam Tami

Contrastive learning has emerged as a powerful method in deep learning, excelling at learning effective representations through contrasting samples from different distributions. However, dimensional collapse, where embeddings converge into…

机器学习 · 计算机科学 2025-12-10 Huanran Li , Manh Nguyen , Daniel Pimentel-Alarcón

Early detection of colorectal polyps is of utmost importance for their treatment and for colorectal cancer prevention. Computer vision techniques have the potential to aid professionals in the diagnosis stage, where colonoscopies are…

计算机视觉与模式识别 · 计算机科学 2023-07-25 Enric Moreu , Eric Arazo , Kevin McGuinness , Noel E. O'Connor

The Segment Anything Model (SAM) exhibits a capability to segment a wide array of objects in natural images, serving as a versatile perceptual tool for various downstream image segmentation tasks. In contrast, medical image segmentation…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Yizhe Zhang , Tao Zhou , Shuo Wang , Ye Wu , Pengfei Gu , Danny Z. Chen

Purpose: Lesion segmentation in medical imaging is key to evaluating treatment response. We have recently shown that reinforcement learning can be applied to radiological images for lesion localization. Furthermore, we demonstrated that…

计算机视觉与模式识别 · 计算机科学 2021-03-22 Joseph Stember , Hrithwik Shalu