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Semi-weakly supervised semantic segmentation (SWSSS) aims to train a model to identify objects in images based on a small number of images with pixel-level labels, and many more images with only image-level labels. Most existing SWSSS…

计算机视觉与模式识别 · 计算机科学 2022-05-04 Wonho Bae , Junhyug Noh , Milad Jalali Asadabadi , Danica J. Sutherland

The performance of supervised deep learning methods for medical image segmentation is often limited by the scarcity of labeled data. As a promising research direction, semi-supervised learning addresses this dilemma by leveraging unlabeled…

图像与视频处理 · 电气工程与系统科学 2024-05-13 Zihang Liu , Chunhui Zhao

Human body part segmentation refers to the task of predicting the semantic segmentation mask for each body part. Fully supervised body part segmentation methods achieve good performances but require an enormous amount of effort to annotate…

计算机视觉与模式识别 · 计算机科学 2020-11-03 Zhengyuan Yang , Yuncheng Li , Linjie Yang , Ning Zhang , Jiebo Luo

Image segmentation is a critical step in computational biomedical image analysis, typically evaluated using metrics like the Dice coefficient during training and validation. However, in clinical settings without manual annotations,…

We consider the problem of weakly supervised object detection, where the training samples are annotated using only image-level labels that indicate the presence or absence of an object category. In order to model the uncertainty in the…

计算机视觉与模式识别 · 计算机科学 2018-11-27 Aditya Arun , C. V. Jawahar , M. Pawan Kumar

An instance with a bad mask might make a composite image that uses it look fake. This encourages us to learn segmentation by generating realistic composite images. To achieve this, we propose a novel framework that exploits a new proposed…

计算机视觉与模式识别 · 计算机科学 2018-11-14 Songmin Dai , Xiaoqiang Li , Lu Wang , Pin Wu , Weiqin Tong , Yimin Chen

We propose Boundary-RL, a novel weakly supervised segmentation method that utilises only patch-level labels for training. We envision the segmentation as a boundary detection problem, rather than a pixel-level classification as in previous…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Weixi Yi , Vasilis Stavrinides , Zachary M. C. Baum , Qianye Yang , Dean C. Barratt , Matthew J. Clarkson , Yipeng Hu , Shaheer U. Saeed

Pixel-wise annotations are notoriously labourious and costly to obtain in the medical domain. To mitigate this burden, weakly supervised approaches based on bounding box annotations-much easier to acquire-offer a practical alternative.…

计算机视觉与模式识别 · 计算机科学 2025-07-04 Mélanie Gaillochet , Mehrdad Noori , Sahar Dastani , Christian Desrosiers , Hervé Lombaert

Self-training has greatly facilitated domain adaptive semantic segmentation, which iteratively generates pseudo labels on unlabeled target data and retrains the network. However, realistic segmentation datasets are highly imbalanced, pseudo…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Binhui Xie , Longhui Yuan , Shuang Li , Chi Harold Liu , Xinjing Cheng

In this paper, we consider the problem of open-vocabulary semantic segmentation (OVS), which aims to segment objects of arbitrary classes instead of pre-defined, closed-set categories. The main contributions are as follows: First, we…

计算机视觉与模式识别 · 计算机科学 2023-03-06 Jilan Xu , Junlin Hou , Yuejie Zhang , Rui Feng , Yi Wang , Yu Qiao , Weidi Xie

There are many approaches to weakly-supervised training of networks to segment 2D images. By contrast, existing approaches to segmenting volumetric images rely on full-supervision of a subset of 2D slices of the 3D volume. We propose an…

计算机视觉与模式识别 · 计算机科学 2022-06-06 Udaranga Wickramasinghe , Patrick M. Jensen , Mian Shah , Jiancheng Yang , Pascal Fua

Occlusion is a long-standing problem in computer vision, particularly in instance segmentation. ACM MMSports 2023 DeepSportRadar has introduced a dataset that focuses on segmenting human subjects within a basketball context and a…

计算机视觉与模式识别 · 计算机科学 2023-11-22 Son Nguyen , Mikel Lainsa , Hung Dao , Daeyoung Kim , Giang Nguyen

Deep learning based image segmentation methods have achieved great success, even having human-level accuracy in some applications. However, due to the black box nature of deep learning, the best method may fail in some situations. Thus…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Leixin Zhou , Wenxiang Deng , Xiaodong Wu

Most of the current state-of-the-art methods for tumor segmentation are based on machine learning models trained on manually segmented images. This type of training data is particularly costly, as manual delineation of tumors is not only…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Pawel Mlynarski , Hervé Delingette , Antonio Criminisi , Nicholas Ayache

Pixel-level annotations are expensive and time consuming to obtain. Hence, weak supervision using only image tags could have a significant impact in semantic segmentation. Recently, CNN-based methods have proposed to fine-tune pre-trained…

计算机视觉与模式识别 · 计算机科学 2017-10-17 Fatemeh Sadat Saleh , Mohammad Sadegh Aliakbarian , Mathieu Salzmann , Lars Petersson , Jose M. Alvarez , Stephen Gould

We present a high-performance method that can achieve mask-level instance segmentation with only bounding-box annotations for training. While this setting has been studied in the literature, here we show significantly stronger performance…

计算机视觉与模式识别 · 计算机科学 2020-12-07 Zhi Tian , Chunhua Shen , Xinlong Wang , Hao Chen

Semantic segmentation and instance level segmentation made substantial progress in recent years due to the emergence of deep neural networks (DNNs). A number of deep architectures with Convolution Neural Networks (CNNs) were proposed that…

计算机视觉与模式识别 · 计算机科学 2019-09-18 Pulak Purkait , Christopher Zach , Ian Reid

Background and objectives: Colorectal cancer histopathological grading depends on accurate segmentation of glandular structures. Current deep learning approaches rely on large scale pixel level annotations that are labor intensive and…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Hikmat Khan , Wei Chen , Muhammad Khalid Khan Niazi

Successive proposals of several self-supervised training schemes continue to emerge, taking one step closer to developing a universal foundation model. In this process, the unsupervised downstream tasks are recognized as one of the…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Sonal Kumar , Arijit Sur , Rashmi Dutta Baruah

Few-shot semantic segmentation models aim to segment images after learning from only a few annotated examples. A key challenge for them is how to avoid overfitting because limited training data is available. While prior works usually…

计算机视觉与模式识别 · 计算机科学 2021-10-14 Yinan Zhao , Brian Price , Scott Cohen , Danna Gurari