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Supervised deep learning techniques show promise in medical image analysis. However, they require comprehensive annotated data sets, which poses challenges, particularly for rare diseases. Consequently, unsupervised anomaly detection (UAD)…

图像与视频处理 · 电气工程与系统科学 2024-03-22 Finn Behrendt , Debayan Bhattacharya , Lennart Maack , Julia Krüger , Roland Opfer , Robin Mieling , Alexander Schlaefer

Dressed people reconstruction from images is a popular task with promising applications in the creative media and game industry. However, most existing methods reconstruct the human body and garments as a whole with the supervision of 3D…

计算机视觉与模式识别 · 计算机科学 2023-03-03 Yue Shi , Yuxuan Xiong , Jingyi Chai , Bingbing Ni , Wenjun Zhang

Recent attempts for unsupervised landmark learning leverage synthesized image pairs that are similar in appearance but different in poses. These methods learn landmarks by encouraging the consistency between the original images and the…

计算机视觉与模式识别 · 计算机科学 2020-07-03 Yinghao Xu , Ceyuan Yang , Ziwei Liu , Bo Dai , Bolei Zhou

In data-driven SHM, the signals recorded from systems in operation can be noisy and incomplete. Data corresponding to each of the operational, environmental, and damage states are rarely available a priori; furthermore, labelling to…

Deep learning has proven to successfully learn variations in tissue and cell morphology. Training of such models typically relies on expensive manual annotations. Here we conjecture that spatially resolved gene expression, e.i., the…

定量方法 · 定量生物学 2023-12-11 Axel Andersson , Gabriele Partel , Leslie Solorzano , Carolina Wählby

Motivated by recent work on studying massive imaging data in various neuroimaging studies, we propose a novel spatially varying coefficient model (SVCM) to spatially model the varying association between imaging measures in a…

统计方法学 · 统计学 2014-12-01 Hongtu Zhu , Jianqing Fan , Linglong Kong

Implicit Neural Representations have gained prominence as a powerful framework for capturing complex data modalities, encompassing a wide range from 3D shapes to images and audio. Within the realm of 3D shape representation, Neural Signed…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Amine Ouasfi , Adnane Boukhayma

Supervised learning method requires a large volume of annotated datasets. Collecting such datasets is time-consuming and expensive. Until now, very few annotated COVID-19 imaging datasets are available. Although self-supervised learning…

图像与视频处理 · 电气工程与系统科学 2020-12-14 Li Sun , Ke Yu , Kayhan Batmanghelich

In this paper we propose a fully automatic method for shape correspondence that is widely applicable, and especially effective for non isometric shapes and shapes of different topology. We observe that fully-automatic shape correspondence…

图形学 · 计算机科学 2020-08-26 Michal Edelstein , Danielle Ezuz , Mirela Ben-Chen

We propose a multi-scale hybridized topic modeling method to find hidden topics from transcribed interviews more accurately and efficiently than traditional topic modeling methods. Our multi-scale hybridized topic modeling method (MSHTM)…

We generalise Spatial Transformer Networks (STN) by replacing the parametric transformation of a fixed, regular sampling grid with a deformable, statistical shape model which is itself learnt. We call this a Statistical Transformer Network…

计算机视觉与模式识别 · 计算机科学 2018-04-20 Anil Bas , William A. P. Smith

Semi-Supervised classification and segmentation methods have been widely investigated in medical image analysis. Both approaches can improve the performance of fully-supervised methods with additional unlabeled data. However, as a…

计算机视觉与模式识别 · 计算机科学 2021-06-04 Hong-Yu Zhou , Chengdi Wang , Haofeng Li , Gang Wang , Shu Zhang , Weimin Li , Yizhou Yu

State-space models (SSMs) are a highly expressive model class for learning patterns in time series data and for system identification. Deterministic versions of SSMs (e.g. LSTMs) proved extremely successful in modeling complex time series…

Clinical MRI encompasses diverse imaging protocols--spanning anatomical targets (cardiac, brain, knee), contrasts (T1, T2, mapping), sampling patterns (Cartesian, radial, spiral, kt-space), and acceleration factors--yet current deep…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Puyang Wang , Pengfei Guo , Keyi Chai , Jinyuan Zhou , Daguang Xu , Shanshan Jiang

Recent years have witnessed remarkable progress in multimodal learning within computational pathology. Existing models primarily rely on vision and language modalities; however, language alone lacks molecular specificity and offers limited…

计算机视觉与模式识别 · 计算机科学 2026-02-17 Minghao Han , Dingkang Yang , Linhao Qu , Zizhi Chen , Gang Li , Han Wang , Jiacong Wang , Lihua Zhang

In the study of shapes of human organs using computational anatomy, variations are found to arise from inter-subject anatomical differences, disease-specific effects, and measurement noise. This paper introduces a stochastic model for…

计算机视觉与模式识别 · 计算机科学 2016-12-19 Alexis Arnaudon , Darryl D. Holm , Akshay Pai , Stefan Sommer

Since most scientific literature data are unlabeled, this makes unsupervised graph-based semantic representation learning crucial. Therefore, an unsupervised semantic representation learning method of scientific literature based on graph…

信息检索 · 计算机科学 2023-01-31 Hongrui Gao , Yawen Li , Meiyu Liang , Zeli Guan

The performance of existing single-view 3D reconstruction methods heavily relies on large-scale 3D annotations. However, such annotations are tedious and expensive to collect. Semi-supervised learning serves as an alternative way to…

计算机视觉与模式识别 · 计算机科学 2022-10-03 Zhen Xing , Hengduo Li , Zuxuan Wu , Yu-Gang Jiang

Modeling human behavioral data is challenging due to its scale, sparseness (few observations per individual), heterogeneity (differently behaving individuals), and class imbalance (few observations of the outcome of interest). An additional…

计算机与社会 · 计算机科学 2018-10-24 Peter G Fennell , Zhiya Zuo , Kristina Lerman

Human anatomy is the foundation of medical imaging and boasts one striking characteristic: its hierarchy in nature, exhibiting two intrinsic properties: (1) locality: each anatomical structure is morphologically distinct from the others;…

计算机视觉与模式识别 · 计算机科学 2023-09-28 Mohammad Reza Hosseinzadeh Taher , Michael B. Gotway , Jianming Liang