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Deep learning-based medical image segmentation helps assist diagnosis and accelerate the treatment process while the model training usually requires large-scale dense annotation datasets. Weakly semi-supervised medical image segmentation is…

计算机视觉与模式识别 · 计算机科学 2024-11-19 Shiman Li , Jiayue Zhao , Shaolei Liu , Xiaokun Dai , Chenxi Zhang , Zhijian Song

Cross-Domain Few-Shot Learning (CDFSL) adapts models trained with large-scale general data (source domain) to downstream target domains with only scarce training data, where the research on vision-language models (e.g., CLIP) is still in…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Yaze Zhao , Yixiong Zou , Yuhua Li , Ruixuan Li

Deep learning has demonstrated significant improvements in medical image segmentation using a sufficiently large amount of training data with manual labels. Acquiring well-representative labels requires expert knowledge and exhaustive…

计算机视觉与模式识别 · 计算机科学 2021-06-15 Jinxi Xiang , Zhuowei Li , Wenji Wang , Qing Xia , Shaoting Zhang

Conventional detectors suffer from performance degradation when dealing with long-tailed data due to a classification bias towards the majority head categories. In this paper, we contend that the learning bias originates from two factors:…

计算机视觉与模式识别 · 计算机科学 2023-08-07 Tianhao Qi , Hongtao Xie , Pandeng Li , Jiannan Ge , Yongdong Zhang

Machine learning has achieved much success on supervised learning tasks with large sets of well-annotated training samples. However, in many practical situations, such strong and high-quality supervision provided by training data is…

计算机视觉与模式识别 · 计算机科学 2021-06-15 Chengliang Tang , María Uriarte , Helen Jin , Douglas C. Morton , Tian Zheng

In this paper, we present a new cross-architecture contrastive learning (CACL) framework for self-supervised video representation learning. CACL consists of a 3D CNN and a video transformer which are used in parallel to generate diverse…

计算机视觉与模式识别 · 计算机科学 2022-05-27 Sheng Guo , Zihua Xiong , Yujie Zhong , Limin Wang , Xiaobo Guo , Bing Han , Weilin Huang

The classification of carotid artery ultrasound images is a crucial means for diagnosing carotid plaques, holding significant clinical relevance for predicting the risk of stroke. Recent research suggests that utilizing plaque segmentation…

图像与视频处理 · 电气工程与系统科学 2024-01-30 Haitao Gan , Lingchao Fu , Ran Zhou , Weiyan Gan , Furong Wang , Xiaoyan Wu , Zhi Yang , Zhongwei Huang

Weakly Supervised Semantic Segmentation (WSSS) with image-level labels aims to achieve pixel-level predictions using Class Activation Maps (CAMs). Recently, Contrastive Language-Image Pre-training (CLIP) has been introduced in WSSS.…

计算机视觉与模式识别 · 计算机科学 2025-04-16 Zhiwei Yang , Yucong Meng , Kexue Fu , Feilong Tang , Shuo Wang , Zhijian Song

Semi-supervised 3D medical image segmentation aims to achieve accurate segmentation using few labelled data and numerous unlabelled data. The main challenge in the design of semi-supervised learning methods consists in the effective use of…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Yanyan Wang , Kechen Song , Yuyuan Liu , Shuai Ma , Yunhui Yan , Gustavo Carneiro

Weakly-supervised learning (WSL) has recently triggered substantial interest as it mitigates the lack of pixel-wise annotations. Given global image labels, WSL methods yield pixel-level predictions (segmentations), which enable to interpret…

计算机视觉与模式识别 · 计算机科学 2021-10-12 Soufiane Belharbi , Jérôme Rony , Jose Dolz , Ismail Ben Ayed , Luke McCaffrey , Eric Granger

Confocal Laser Endomicroscope (CLE) is a novel handheld fluorescence imaging device that has shown promise for rapid intraoperative diagnosis of brain tumor tissue. Currently CLE is capable of image display only and lacks an automatic…

Spatially aligning medical images from different modalities remains a challenging task, especially for intraoperative applications that require fast and robust algorithms. We propose a weakly-supervised, label-driven formulation for…

计算机视觉与模式识别 · 计算机科学 2018-06-05 Yipeng Hu , Marc Modat , Eli Gibson , Nooshin Ghavami , Ester Bonmati , Caroline M. Moore , Mark Emberton , J. Alison Noble , Dean C. Barratt , Tom Vercauteren

Recently, self-supervised instance discrimination methods have achieved significant success in learning visual representations from unlabeled photographic images. However, given the marked differences between photographic and medical…

图像与视频处理 · 电气工程与系统科学 2022-04-18 Mohammad Reza Hosseinzadeh Taher , Fatemeh Haghighi , Michael B. Gotway , Jianming Liang

Semi-supervised learning has demonstrated great potential in medical image segmentation by utilizing knowledge from unlabeled data. However, most existing approaches do not explicitly capture high-level semantic relations between distant…

计算机视觉与模式识别 · 计算机科学 2023-12-07 Qianying Liu , Xiao Gu , Paul Henderson , Fani Deligianni

Fully supervised change detection methods require difficult to procure pixel-level labels, while weakly supervised approaches can be trained with image-level labels. However, most of these approaches require a combination of changed and…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Philipp Andermatt , Radu Timofte

Deep learning based semi-supervised learning (SSL) methods have achieved strong performance in medical image segmentation, which can alleviate doctors' expensive annotation by utilizing a large amount of unlabeled data. Unlike most existing…

图像与视频处理 · 电气工程与系统科学 2022-07-26 Zihang Xu , Zhenghua Xu , Shuo Zhang , Thomas Lukasiewicz

When supervising an object detector with weakly labeled data, most existing approaches are prone to trapping in the discriminative object parts, e.g., finding the face of a cat instead of the full body, due to lacking the supervision on the…

计算机视觉与模式识别 · 计算机科学 2017-11-28 Siyang Li , Xiangxin Zhu , Qin Huang , Hao Xu , C. -C. Jay Kuo

One of the fundamental challenges in supervised learning for multimodal image registration is the lack of ground-truth for voxel-level spatial correspondence. This work describes a method to infer voxel-level transformation from…

State-of-the-art techniques in weakly-supervised semantic segmentation (WSSS) using image-level labels exhibit severe performance degradation on driving scene datasets such as Cityscapes. To address this challenge, we develop a new WSSS…

计算机视觉与模式识别 · 计算机科学 2024-01-19 Dongseob Kim , Seungho Lee , Junsuk Choe , Hyunjung Shim

Image-level weakly supervised semantic segmentation is a challenging problem that has been deeply studied in recent years. Most of advanced solutions exploit class activation map (CAM). However, CAMs can hardly serve as the object mask due…

计算机视觉与模式识别 · 计算机科学 2020-04-10 Yude Wang , Jie Zhang , Meina Kan , Shiguang Shan , Xilin Chen