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Most activity localization methods in the literature suffer from the burden of frame-wise annotation requirement. Learning from weak labels may be a potential solution towards reducing such manual labeling effort. Recent years have…

计算机视觉与模式识别 · 计算机科学 2018-12-18 Sujoy Paul , Sourya Roy , Amit K Roy-Chowdhury

Since the preparation of labeled data for training semantic segmentation networks of point clouds is a time-consuming process, weakly supervised approaches have been introduced to learn from only a small fraction of data. These methods are…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Gengxin Liu , Oliver van Kaick , Hui Huang , Ruizhen Hu

Software vulnerability detection has emerged as a significant concern in the field of software security recently, capturing the attention of numerous researchers and developers. Most previous approaches focus on coarse-grained vulnerability…

软件工程 · 计算机科学 2025-09-16 Wenchao Gu , Yupan Chen , Yanlin Wang , Hongyu Zhang , Cuiyun Gao , Michael R. Lyu

Video is an essential imaging modality for diagnostics, e.g. in ultrasound imaging, for endoscopy, or movement assessment. However, video hasn't received a lot of attention in the medical image analysis community. In the clinical practice,…

计算机视觉与模式识别 · 计算机科学 2020-05-20 Tianrui Liu , Qingjie Meng , Athanasios Vlontzos , Jeremy Tan , Daniel Rueckert , Bernhard Kainz

The accuracy and robustness of image classification with supervised deep learning are dependent on the availability of large-scale, annotated training data. However, there is a paucity of annotated data available due to the complexity of…

计算机视觉与模式识别 · 计算机科学 2019-03-27 Euijoon Ahn , Ashnil Kumar , Dagan Feng , Michael Fulham , Jinman Kim

Computer-assisted surgery (CAS) aims to provide the surgeon with the right type of assistance at the right moment. Such assistance systems are especially relevant in laparoscopic surgery, where CAS can alleviate some of the drawbacks that…

Virtually all of deep learning literature relies on the assumption of large amounts of available training data. Indeed, even the majority of few-shot learning methods rely on a large set of "base classes" for pretraining. This assumption,…

计算机视觉与模式识别 · 计算机科学 2021-04-28 Ziqi Pang , Zhiyuan Hu , Pavel Tokmakov , Yu-Xiong Wang , Martial Hebert

This paper addresses the task of detecting and localising fetal anatomical regions in 2D ultrasound images, where only image-level labels are present at training, i.e. without any localisation or segmentation information. We examine the use…

计算机视觉与模式识别 · 计算机科学 2018-08-17 Nicolas Toussaint , Bishesh Khanal , Matthew Sinclair , Alberto Gomez , Emily Skelton , Jacqueline Matthew , Julia A. Schnabel

We introduce an approach for spatio-temporal human action localization using sparse spatial supervision. Our method leverages the large amount of annotated humans available today and extracts human tubes by combining a state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2017-05-25 Philippe Weinzaepfel , Xavier Martin , Cordelia Schmid

Autonomous surgical procedures, in particular minimal invasive surgeries, are the next frontier for Artificial Intelligence research. However, the existing challenges include precise identification of the human anatomy and the surgical…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Salman Maqbool , Aqsa Riaz , Hasan Sajid , Osman Hasan

Understanding videos to localize moments with natural language often requires large expensive annotated video regions paired with language queries. To eliminate the annotation costs, we make a first attempt to train a natural language video…

计算与语言 · 计算机科学 2021-10-04 Jinwoo Nam , Daechul Ahn , Dongyeop Kang , Seong Jong Ha , Jonghyun Choi

Deep convolutional neural networks have driven substantial advancements in the automatic understanding of images. Requiring a large collection of images and their associated annotations is one of the main bottlenecks limiting the adoption…

计算机视觉与模式识别 · 计算机科学 2019-08-22 Zahra Mirikharaji , Yiqi Yan , Ghassan Hamarneh

Obtaining large-scale medical data, annotated or unannotated, is challenging due to stringent privacy regulations and data protection policies. In addition, annotating medical images requires that domain experts manually delineate…

计算机视觉与模式识别 · 计算机科学 2025-05-16 Tushar Kataria , Shireen Y. Elhabian

This paper rethinks steady-hand robotic manipulation by using a weakly supervised framework that fuses calibration-aware perception with admittance control. Unlike conventional automation that relies on labor-intensive 2D labeling, our…

Object localization, and more specifically object pose estimation, in large industrial spaces such as warehouses and production facilities, is essential for material flow operations. Traditional approaches rely on artificial artifacts…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Hazem Youssef , Frederik Polachowski , Jérôme Rutinowski , Moritz Roidl , Christopher Reining

Supervised approaches for learning spatio-temporal scene graphs (STSG) from video are greatly hindered due to their reliance on STSG-annotated videos, which are labor-intensive to construct at scale. Is it feasible to instead use readily…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Jiani Huang , Ziyang Li , Mayur Naik , Ser-Nam Lim

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

One of the largest problems in medical image processing is the lack of annotated data. Labeling medical images often requires highly trained experts and can be a time-consuming process. In this paper, we evaluate a method of reducing the…

计算机视觉与模式识别 · 计算机科学 2022-06-02 Marin Benčević , Marija Habijan , Irena Galić , Aleksandra Pizurica

We propose a weakly supervised method using two algorithms to predict object bounding boxes given only an image classification dataset. First algorithm is a simple Fully Convolutional Network (FCN) trained to classify object instances. We…

计算机视觉与模式识别 · 计算机科学 2019-01-10 Srikrishna Varadarajan , Muktabh Mayank Srivastava

Weakly-supervised salient object detection (WSOD) aims to develop saliency models using image-level annotations. Despite of the success of previous works, explorations on an effective training strategy for the saliency network and accurate…

计算机视觉与模式识别 · 计算机科学 2021-09-07 Yongri Piao , Jian Wang , Miao Zhang , Zhengxuan Ma , Huchuan Lu