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Supervised deep learning requires a large amount of training samples with annotations (e.g. label class for classification task, pixel- or voxel-wised label map for segmentation tasks), which are expensive and time-consuming to obtain.…

计算机视觉与模式识别 · 计算机科学 2020-04-14 Yuanhan Mo , Shuo Wang , Chengliang Dai , Rui Zhou , Zhongzhao Teng , Wenjia Bai , Yike Guo

This paper presents an automatic algorithm for the segmentation of areas affected by an acute stroke on the non-contrast computed tomography brain images. The proposed algorithm is designed for learning in a weakly supervised scenario when…

图像与视频处理 · 电气工程与系统科学 2021-12-22 Anna Dobshik , Andrey Tulupov , Vladimir Berikov

In many machine learning applications, labeled data is scarce and obtaining more labels is expensive. We introduce a new approach to supervising neural networks by specifying constraints that should hold over the output space, rather than…

人工智能 · 计算机科学 2016-09-20 Russell Stewart , Stefano Ermon

In this dissertation, we investigated and enhanced Deep Learning (DL) techniques for counting objects, like pedestrians, cells or vehicles, in still images or video frames. In particular, we tackled the challenge related to the lack of data…

计算机视觉与模式识别 · 计算机科学 2022-06-09 Luca Ciampi

Sclera segmentation is crucial for developing automatic eye-related medical computer-aided diagnostic systems, as well as for personal identification and verification, because the sclera contains distinct personal features. Deep…

计算机视觉与模式识别 · 计算机科学 2025-01-15 Guanjun Wang , Lu Wang , Ning Niu , Qiaoyi Yao , Yixuan Wang , Sufen Ren , Shengchao Chen

One recent research demonstrated successful application of the label alignment property for unsupervised domain adaptation in a linear regression settings. Instead of regularizing representation learning to be domain invariant, the research…

机器学习 · 计算机科学 2025-03-13 Xuanrui Zeng

Partially-supervised learning can be challenging for segmentation due to the lack of supervision for unlabeled structures, and the methods directly applying fully-supervised learning could lead to incompatibility, meaning ground truth is…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Ke Zhang , Xiahai Zhuang

The task of parsing subcutaneous vessels in clinical images is often hindered by the high cost and limited availability of ground truth data, as well as the challenge of low contrast and noisy vessel appearances across different patients…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Ayaan Nooruddin Siddiqui , Mahnoor Zaidi , Ayesha Nazneen Shahbaz , Priyadarshini Chatterjee , Krishnan Menon Iyer

Semantic segmentation is a challenging computer vision task demanding a significant amount of pixel-level annotated data. Producing such data is a time-consuming and costly process, especially for domains with a scarcity of experts, such as…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Sara Mousavi , Zhenning Yang , Kelley Cross , Dawnie Steadman , Audris Mockus

Pre-training a recognition model with contrastive learning on a large dataset of unlabeled data has shown great potential to boost the performance of a downstream task, e.g., image classification. However, in domains such as medical…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Jizong Peng , Ping Wang , Chrisitian Desrosiers , Marco Pedersoli

Deep learning segmentation relies heavily on labeled data, but manual labeling is laborious and time-consuming, especially for volumetric images such as brain magnetic resonance imaging (MRI). While recent domain-randomization techniques…

计算机视觉与模式识别 · 计算机科学 2025-12-05 Bella Specktor-Fadida , Malte Hoffmann

Addressing performance degradation in 3D LiDAR semantic segmentation due to domain shifts (e.g., sensor type, geographical location) is crucial for autonomous systems, yet manual annotation of target data is prohibitive. This study…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Abhishek Kaushik , Norbert Haala , Uwe Soergel

Deep learning has produced state-of-the-art results for a variety of tasks. While such approaches for supervised learning have performed well, they assume that training and testing data are drawn from the same distribution, which may not…

机器学习 · 计算机科学 2020-02-10 Garrett Wilson , Diane J. Cook

We describe a simple method for unsupervised domain adaptation, whereby the discrepancy between the source and target distributions is reduced by swapping the low-frequency spectrum of one with the other. We illustrate the method in…

计算机视觉与模式识别 · 计算机科学 2020-04-14 Yanchao Yang , Stefano Soatto

An increasing amount of applications rely on data-driven models that are deployed for perception tasks across a sequence of scenes. Due to the mismatch between training and deployment data, adapting the model on the new scenes is often…

计算机视觉与模式识别 · 计算机科学 2025-10-15 Zhizheng Liu , Francesco Milano , Jonas Frey , Roland Siegwart , Hermann Blum , Cesar Cadena

The need for labour intensive pixel-wise annotation is a major limitation of many fully supervised learning methods for segmenting bioimages that can contain numerous object instances with thin separations. In this paper, we introduce a…

计算机视觉与模式识别 · 计算机科学 2020-09-11 Rihuan Ke , Aurélie Bugeau , Nicolas Papadakis , Peter Schuetz , Carola-Bibiane Schönlieb

Unsupervised domain adaptation aims to address the problem of classifying unlabeled samples from the target domain whilst labeled samples are only available from the source domain and the data distributions are different in these two…

机器学习 · 计算机科学 2019-11-20 Qian Wang , Toby P. Breckon

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

Although deep networks have significantly increased the performance of visual recognition methods, it is still challenging to achieve the robustness across visual domains that is necessary for real-world applications. To tackle this issue,…

计算机视觉与模式识别 · 计算机科学 2019-10-14 Antonio D'Innocente , Silvia Bucci , Barbara Caputo , Tatiana Tommasi

Retinal vessel segmentation plays a key role in computer-aided screening, diagnosis, and treatment of various cardiovascular and ophthalmic diseases. Recently, deep learning-based retinal vessel segmentation algorithms have achieved…

图像与视频处理 · 电气工程与系统科学 2021-08-05 Wei Feng , Lie Ju , Lin Wang , Kaimin Song , Xin Wang , Xin Zhao , Qingyi Tao , Zongyuan Ge