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We study the robustness of object detection under the presence of missing annotations. In this setting, the unlabeled object instances will be treated as background, which will generate an incorrect training signal for the detector.…

计算机视觉与模式识别 · 计算机科学 2019-07-23 Zhe Wu , Navaneeth Bodla , Bharat Singh , Mahyar Najibi , Rama Chellappa , Larry S. Davis

Deep learning techniques have shown great potential in medical image processing, particularly through accurate and reliable image segmentation on magnetic resonance imaging (MRI) scans or computed tomography (CT) scans, which allow the…

图像与视频处理 · 电气工程与系统科学 2022-05-10 Yang Liu , Ersi Zhang , Lulu Xu , Chufan Xiao , Xiaoyun Zhong , Lijin Lian , Fang Li , Bin Jiang , Yuhan Dong , Lan Ma , Qiming Huang , Ming Xu , Yongbing Zhang , Dongmei Yu , Chenggang Yan , Peiwu Qin

3D medical image segmentation is a challenging task with crucial implications for disease diagnosis and treatment planning. Recent advances in deep learning have significantly enhanced fully supervised medical image segmentation. However,…

图像与视频处理 · 电气工程与系统科学 2025-06-23 Runmin Jiang , Zhaoxin Fan , Junhao Wu , Lenghan Zhu , Xin Huang , Tianyang Wang , Heng Huang , Min Xu

Most existing crowd counting methods require object location-level annotation, i.e., placing a dot at the center of an object. While being simpler than the bounding-box or pixel-level annotation, obtaining this annotation is still…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Yinjie Lei , Yan Liu , Pingping Zhang , Lingqiao Liu

Noisy labels can significantly affect the performance of deep neural networks (DNNs). In medical image segmentation tasks, annotations are error-prone due to the high demand in annotation time and in the annotators' expertise. Existing…

图像与视频处理 · 电气工程与系统科学 2023-08-08 Jiachen Yao , Yikai Zhang , Songzhu Zheng , Mayank Goswami , Prateek Prasanna , Chao Chen

Modern machine learning pipelines, in particular those based on deep learning (DL) models, require large amounts of labeled data. For classification problems, the most common learning paradigm consists of presenting labeled examples during…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Jacopo Teneggi , Paul H. Yi , Jeremias Sulam

Audio-visual segmentation is a challenging task that aims to predict pixel-level masks for sound sources in a video. Previous work applied a comprehensive manually designed architecture with countless pixel-wise accurate masks as…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Shentong Mo , Bhiksha Raj

We present a method for exploiting weakly annotated images to improve text extraction pipelines. The approach uses an arbitrary end-to-end text recognition system to obtain text region proposals and their, possibly erroneous,…

计算机视觉与模式识别 · 计算机科学 2020-07-20 Klára Janoušková , Jiri Matas , Lluis Gomez , Dimosthenis Karatzas

The labor-intensive annotation process of semantic segmentation datasets is often prone to errors, since humans struggle to label every pixel correctly. We study algorithms to automatically detect such annotation errors, in particular…

机器学习 · 计算机科学 2023-07-12 Vedang Lad , Jonas Mueller

Acquisition of training data for the standard semantic segmentation is expensive if requiring that each pixel is labeled. Yet, current methods significantly deteriorate in weakly supervised settings, e.g. where a fraction of pixels is…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Dmitrii Marin , Yuri Boykov

A significant bottleneck in training deep networks for part segmentation is the cost of obtaining detailed annotations. We propose a framework to exploit coarse labels such as figure-ground masks and keypoint locations that are readily…

计算机视觉与模式识别 · 计算机科学 2022-07-29 Oindrila Saha , Zezhou Cheng , Subhransu Maji

Creating large-scale and well-annotated datasets to train AI algorithms is crucial for automated tumor detection and localization. However, with limited resources, it is challenging to determine the best type of annotations when annotating…

计算机视觉与模式识别 · 计算机科学 2024-02-21 Yu-Cheng Chou , Bowen Li , Deng-Ping Fan , Alan Yuille , Zongwei Zhou

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

Most of the state-of-the-art semantic segmentation reported in recent years is based on fully supervised deep learning in the medical domain. How?ever, the high-quality annotated datasets require intense labor and domain knowledge,…

图像与视频处理 · 电气工程与系统科学 2022-04-25 Pingping Dai , Haiming Zhu , Shuang Ge , Ruihan Zhang , Xiang Qian , Xi Li , Kehong Yuan

The challenging field of scene text detection requires complex data annotation, which is time-consuming and expensive. Techniques, such as weak supervision, can reduce the amount of data needed. In this paper we propose a weak supervision…

计算机视觉与模式识别 · 计算机科学 2022-01-14 Emanuel Metzenthin , Christian Bartz , Christoph Meinel

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

Automatic medical image segmentation is a fundamental step in computer-aided diagnosis, yet fully supervised approaches demand extensive pixel-level annotations that are costly and time-consuming. To alleviate this burden, we propose a…

计算机视觉与模式识别 · 计算机科学 2025-10-20 Lei Shi , Gang Li , Junxing Zhang

We propose a novel point annotated setting for the weakly semi-supervised object detection task, in which the dataset comprises small fully annotated images and large weakly annotated images by points. It achieves a balance between…

计算机视觉与模式识别 · 计算机科学 2021-04-16 Liangyu Chen , Tong Yang , Xiangyu Zhang , Wei Zhang , Jian Sun

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

Medical image segmentation plays an irreplaceable role in computer-assisted diagnosis, treatment planning, and following-up. Collecting and annotating a large-scale dataset is crucial to training a powerful segmentation model, but producing…

图像与视频处理 · 电气工程与系统科学 2022-03-07 Xiangde Luo , Minhao Hu , Wenjun Liao , Shuwei Zhai , Tao Song , Guotai Wang , Shaoting Zhang