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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…

计算机视觉与模式识别 · 计算机科学 2018-03-08 Tianyi Zhang , Guosheng Lin , Jianfei Cai , Tong Shen , Chunhua Shen , Alex C. Kot

Biomedical image segmentation plays a significant role in computer-aided diagnosis. However, existing CNN based methods rely heavily on massive manual annotations, which are very expensive and require huge human resources. In this work, we…

计算机视觉与模式识别 · 计算机科学 2023-01-13 Ruifei Zhang , Sishuo Liu , Yizhou Yu , Guanbin Li

Audio-Visual Semantic Segmentation (AVSS) aligns audio and video at the pixel level but requires costly per-frame annotations. We introduce Weakly Supervised Audio-Visual Semantic Segmentation (WSAVSS), which uses only video-level labels to…

多媒体 · 计算机科学 2026-03-24 Chengzhi Li , Heyan Huang , Ping Jian , Yanghao Zhou

Frame-by-frame annotation of bounding boxes by clinical experts is often required to train fully supervised object detection models on medical video data. We propose a method for improving object detection in medical videos through weak…

Image segmentation methods are usually trained with pixel-level annotations, which require significant human effort to collect. The most common solution to address this constraint is to implement weakly-supervised pipelines trained with…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Miriam Bellver , Amaia Salvador , Jordi Torres , Xavier Giro-i-Nieto

Dense annotations, such as segmentation masks, are expensive and time-consuming to obtain, especially for 3D medical images where expert voxel-wise labeling is required. Weakly supervised approaches aim to address this limitation, but often…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Richard Petersen , Fredrik Kahl , Jennifer Alvén

Semi-supervised semantic segmentation methods leverage unlabeled data by pseudo-labeling them. Thus the success of these methods hinges on the reliablility of the pseudo-labels. Existing methods mostly choose high-confidence pixels in an…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Prantik Howlader , Hieu Le , Dimitris Samaras

Medical ultrasound imaging is ubiquitous, but manual analysis struggles to keep pace. Automated segmentation can help but requires large labeled datasets, which are scarce. Semi-supervised learning leveraging both unlabeled and limited…

图像与视频处理 · 电气工程与系统科学 2025-03-19 Yaxiong Chen , Yujie Wang , Zixuan Zheng , Jingliang Hu , Yilei Shi , Shengwu Xiong , Xiao Xiang Zhu , Lichao Mou

In this paper, we introduce a novel learning scheme named weakly semi-supervised instance segmentation (WSSIS) with point labels for budget-efficient and high-performance instance segmentation. Namely, we consider a dataset setting…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Beomyoung Kim , Joonhyun Jeong , Dongyoon Han , Sung Ju Hwang

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

Given a training dataset composed of images and corresponding category labels, deep convolutional neural networks show a strong ability in mining discriminative parts for image classification. However, deep convolutional neural networks…

计算机视觉与模式识别 · 计算机科学 2019-03-08 Weifeng Ge , Xiangru Lin , Yizhou Yu

Ultrasound imaging plays a critical role in the early detection of breast cancer. Accurate identification and segmentation of lesions are essential steps in clinical practice, requiring methods to assist physicians in lesion segmentation.…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Xin Yue , Xiaoling Liu , Qing Zhao , Jianqiang Li , Changwei Song , Suqin Liu , Zhikai Yang , Guanghui Fu

Existing works on semantic segmentation typically consider a small number of labels, ranging from tens to a few hundreds. With a large number of labels, training and evaluation of such task become extremely challenging due to correlation…

计算机视觉与模式识别 · 计算机科学 2018-08-21 Yufei Wang , Zhe Lin , Xiaohui Shen , Jianming Zhang , Scott Cohen

We present an approach for jointly matching and segmenting object instances of the same category within a collection of images. In contrast to existing algorithms that tackle the tasks of semantic matching and object co-segmentation in…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Yun-Chun Chen , Yen-Yu Lin , Ming-Hsuan Yang , Jia-Bin Huang

Weakly supervised segmentation methods can delineate thyroid nodules in ultrasound images efficiently using training data with coarse labels, but suffer from: 1) low-confidence pseudo-labels that follow topological priors, introducing…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Jianning Chi , Zelan Li , Geng Lin , MingYang Sun , Xiaosheng Yu

Weakly supervised image segmentation approaches in the literature usually achieve high segmentation performance using tight bounding box supervision and decrease the performance greatly when supervised by loose bounding boxes. However,…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Juan Wang , Bin Xia

The development of high quality medical image segmentation algorithms depends on the availability of large datasets with pixel-level labels. The challenges of collecting such datasets, especially in case of 3D volumes, motivate to develop…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Ekaterina Redekop , Alexey Chernyavskiy

In surgical procedures, correct instrument counting is essential. Instance segmentation is a location method that locates not only an object's bounding box but also each pixel's specific details. However, obtaining mask-level annotations is…

计算机视觉与模式识别 · 计算机科学 2023-11-17 Zhen Sun , Huan Xu , Jinlin Wu , Zhen Chen , Zhen Lei , Hongbin Liu

Learning semantic segmentation models requires a huge amount of pixel-wise labeling. However, labeled data may only be available abundantly in a domain different from the desired target domain, which only has minimal or no annotations. In…

计算机视觉与模式识别 · 计算机科学 2020-08-13 Sujoy Paul , Yi-Hsuan Tsai , Samuel Schulter , Amit K. Roy-Chowdhury , Manmohan Chandraker

Localizing object parts precisely is essential for tasks such as object recognition and robotic manipulation. Recent part segmentation methods require extensive training data and labor-intensive annotations. Segment-Anything Model (SAM) has…

计算机视觉与模式识别 · 计算机科学 2025-01-14 S. B. van Rooij , G. J. Burghouts