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Unsupervised domain adaptive segmentation typically relies on self-training using pseudo labels predicted by a pre-trained network on an unlabeled target dataset. However, the noisy nature of such pseudo-labels presents a major bottleneck…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Md Shazid Islam , Sayak Nag , Arindam Dutta , Miraj Ahmed , Fahim Faisal Niloy , Shreyangshu Bera , Amit K. Roy-Chowdhury

Deep learning-based medical image segmentation typically relies on ground truth (GT) labels obtained through manual annotation, but these can be prone to random errors or systematic biases. This study examines the robustness of deep…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Iman Islam , Bram Ruijsink , Andrew J. Reader , Andrew P. King

Using deep learning, we now have the ability to create exceptionally good semantic segmentation systems; however, collecting the prerequisite pixel-wise annotations for training images remains expensive and time-consuming. Therefore, it…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Aneesh Rangnekar , Christopher Kanan , Matthew Hoffman

Image segmentation is one of the most essential biomedical image processing problems for different imaging modalities, including microscopy and X-ray in the Internet-of-Medical-Things (IoMT) domain. However, annotating biomedical images is…

Computer Vision and Pattern Recognition · Computer Science 2021-01-25 Ziyuan Zhao , Zeng Zeng , Kaixin Xu , Cen Chen , Cuntai Guan

Semantic segmentation is a crucial task in biomedical image processing, which recent breakthroughs in deep learning have allowed to improve. However, deep learning methods in general are not yet widely used in practice since they require…

Computer Vision and Pattern Recognition · Computer Science 2019-07-12 Melanie Lubrano di Scandalea , Christian S. Perone , Mathieu Boudreau , Julien Cohen-Adad

This paper addresses the task of semantic segmentation of orthoimagery using multimodal data e.g. optical RGB, infrared and digital surface model. We propose a deep convolutional neural network architecture termed OrthoSeg for semantic…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Pankaj Bodani , Kumar Shreshtha , Shashikant Sharma

Weakly supervised semantic segmentation receives much research attention since it alleviates the need to obtain a large amount of dense pixel-wise ground-truth annotations for the training images. Compared with other forms of weak…

Computer Vision and Pattern Recognition · Computer Science 2018-03-08 Tianyi Zhang , Guosheng Lin , Jianfei Cai , Tong Shen , Chunhua Shen , Alex C. Kot

The segmentation of histological images is critical for various biomedical applications, yet the lack of annotated data presents a significant challenge. We propose a microscopy pseudo labeling pipeline utilizing unsupervised image…

Image and Video Processing · Electrical Eng. & Systems 2024-12-05 Arthur Boschet , Armand Collin , Nishka Katoch , Julien Cohen-Adad

The success of supervised deep learning models in medical image segmentation relies on detailed annotations. However, labor-intensive manual labeling is costly and inefficient, especially in dense object segmentation. To this end, we…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Pingyi Chen , Chenglu Zhu , Zhongyi Shui , Jiatong Cai , Sunyi Zheng , Shichuan Zhang , Lin Yang

The ability to dynamically extend a model to new data and classes is critical for multiple organ and tumor segmentation. However, due to privacy regulations, accessing previous data and annotations can be problematic in the medical domain.…

Image and Video Processing · Electrical Eng. & Systems 2023-07-24 Yixiao Zhang , Xinyi Li , Huimiao Chen , Alan Yuille , Yaoyao Liu , Zongwei Zhou

Recent years have witnessed the great progress of deep neural networks on semantic segmentation, particularly in medical imaging. Nevertheless, training high-performing models require large amounts of pixel-level ground truth masks, which…

Computer Vision and Pattern Recognition · Computer Science 2020-04-10 Abdur R Feyjie , Reza Azad , Marco Pedersoli , Claude Kauffman , Ismail Ben Ayed , Jose Dolz

Producing densely annotated data is a difficult and tedious task for medical imaging applications. To address this problem, we propose a novel approach to generate supervision for semi-supervised semantic segmentation. We argue that…

Image and Video Processing · Electrical Eng. & Systems 2022-10-10 Constantin Seibold , Simon Reiß , Jens Kleesiek , Rainer Stiefelhagen

Semantic segmentation is a challenging task in the absence of densely labelled data. Only relying on class activation maps (CAM) with image-level labels provides deficient segmentation supervision. Prior works thus consider pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2021-07-28 Lian Xu , Wanli Ouyang , Mohammed Bennamoun , Farid Boussaid , Ferdous Sohel , Dan Xu

Deep convolutional neural networks have shown outstanding performance in medical image segmentation tasks. The usual problem when training supervised deep learning methods is the lack of labeled data which is time-consuming and costly to…

Computer Vision and Pattern Recognition · Computer Science 2021-03-04 Suman Sedai , Bhavna Antony , Ravneet Rai , Katie Jones , Hiroshi Ishikawa , Joel Schuman , Wollstein Gadi , Rahil Garnavi

We introduce a method for training neural networks to perform image or volume segmentation in which prior knowledge about the topology of the segmented object can be explicitly provided and then incorporated into the training process. By…

Computer Vision and Pattern Recognition · Computer Science 2020-09-21 James R. Clough , Nicholas Byrne , Ilkay Oksuz , Veronika A. Zimmer , Julia A. Schnabel , Andrew P. King

Tissue-level semantic segmentation is a vital step in computational pathology. Fully-supervised models have already achieved outstanding performance with dense pixel-level annotations. However, drawing such labels on the giga-pixel whole…

Image and Video Processing · Electrical Eng. & Systems 2021-10-18 Chu Han , Jiatai Lin , Jinhai Mai , Yi Wang , Qingling Zhang , Bingchao Zhao , Xin Chen , Xipeng Pan , Zhenwei Shi , Xiaowei Xu , Su Yao , Lixu Yan , Huan Lin , Zeyan Xu , Xiaomei Huang , Guoqiang Han , Changhong Liang , Zaiyi Liu

This paper investigates indoor point cloud semantic segmentation under scene-level annotation, which is less explored compared to methods relying on sparse point-level labels. In the absence of precise point-level labels, current methods…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Lunhao Duan , Shanshan Zhao , Xingxing Weng , Jing Zhang , Gui-Song Xia

Since annotating medical images for segmentation tasks commonly incurs expensive costs, it is highly desirable to design an annotation-efficient method to alleviate the annotation burden. Recently, contrastive learning has exhibited a great…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Yixuan Wu , Jintai Chen , Jiahuan Yan , Yiheng Zhu , Danny Z. Chen , Jian Wu

Deep Convolutional Neural Networks have proven effective in solving the task of semantic segmentation. However, their efficiency heavily relies on the pixel-level annotations that are expensive to get and often require domain expertise,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-03 Ostap Viniavskyi , Mariia Dobko , Oles Dobosevych

Obtaining semantic labels on a large scale radiology image database (215,786 key images from 61,845 unique patients) is a prerequisite yet bottleneck to train highly effective deep convolutional neural network (CNN) models for image…

Computer Vision and Pattern Recognition · Computer Science 2016-03-28 Xiaosong Wang , Le Lu , Hoo-chang Shin , Lauren Kim , Isabella Nogues , Jianhua Yao , Ronald Summers