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Variational AutoEncoders (VAEs) provide a means to generate representational latent embeddings. Previous research has highlighted the benefits of achieving representations that are disentangled, particularly for downstream tasks. However,…

计算机视觉与模式识别 · 计算机科学 2019-11-18 Matthew J. Vowels , Necati Cihan Camgoz , Richard Bowden

Despite the strong prediction power of deep learning models, their interpretability remains an important concern. Disentanglement models increase interpretability by decomposing the latent space into interpretable subspaces. In this paper,…

图像与视频处理 · 电气工程与系统科学 2024-10-04 Mahmudul Hasan , Xiaoling Hu , Shahira Abousamra , Prateek Prasanna , Joel Saltz , Chao Chen

Unsupervised learning can leverage large-scale data sources without the need for annotations. In this context, deep learning-based auto encoders have shown great potential in detecting anomalies in medical images. However, state-of-the-art…

机器学习 · 计算机科学 2018-12-17 David Zimmerer , Simon A. A. Kohl , Jens Petersen , Fabian Isensee , Klaus H. Maier-Hein

The manual annotation for large-scale point clouds is still tedious and unavailable for many harsh real-world tasks. Self-supervised learning, which is used on raw and unlabeled data to pre-train deep neural networks, is a promising…

计算机视觉与模式识别 · 计算机科学 2022-10-31 Junsheng Zhou , Xin Wen , Baorui Ma , Yu-Shen Liu , Yue Gao , Yi Fang , Zhizhong Han

Recent work has shown that label-efficient few-shot learning through self-supervision can achieve promising medical image segmentation results. However, few-shot segmentation models typically rely on prototype representations of the…

图像与视频处理 · 电气工程与系统科学 2022-03-07 Stine Hansen , Srishti Gautam , Robert Jenssen , Michael Kampffmeyer

A variational autoencoder (VAE) is a probabilistic machine learning framework for posterior inference that projects an input set of high-dimensional data to a lower-dimensional, latent space. The latent space learned with a VAE offers…

机器学习 · 计算机科学 2022-11-16 Rafael Pastrana

Recently there has been an increased interest in unsupervised learning of disentangled representations using the Variational Autoencoder (VAE) framework. Most of the existing work has focused largely on modifying the variational cost…

机器学习 · 统计学 2019-09-12 Jan Stühmer , Richard E. Turner , Sebastian Nowozin

This paper presents a comprehensive study focused on disentangling hippocampal shape variations from diffusion tensor imaging (DTI) datasets within the context of neurological disorders. Leveraging a Mesh Variational Autoencoder (VAE)…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Jakaria Rabbi , Johannes Kiechle , Christian Beaulieu , Nilanjan Ray , Dana Cobzas

Anomalies are by definition rare, thus labeled examples are very limited or nonexistent, and likely do not cover unforeseen scenarios. Unsupervised learning methods that don't necessarily encounter anomalies in training would be immensely…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Louise Naud , Alexander Lavin

Despite the suitability of graphs for capturing the relational structures inherent in architectural layout designs, there is a notable dearth of research on interpreting architectural design space using graph-based representation learning…

机器学习 · 计算机科学 2024-06-26 Jielin Chen , Rudi Stouffs

Disentanglement is a highly desirable property of representation due to its similarity with human's understanding and reasoning. This improves interpretability, enables the performance of down-stream tasks, and enables controllable…

机器学习 · 计算机科学 2020-10-24 Jiantao Wu , Lin Wang

Deep learning has transformed computer vision but relies heavily on large labeled datasets and computational resources. Transfer learning, particularly fine-tuning pretrained models, offers a practical alternative; however, models…

计算机视觉与模式识别 · 计算机科学 2025-05-23 Iván Matas , Carmen Serrano , Miguel Nogales , David Moreno , Lara Ferrándiz , Teresa Ojeda , Begoña Acha

Real-time video understanding is critical to guide procedures in minimally invasive surgery (MIS). However, supervised learning approaches require large, annotated datasets that are scarce due to annotation efforts that are prohibitive,…

图像与视频处理 · 电气工程与系统科学 2025-06-04 Lianhao Yin , Ozanan Meireles , Guy Rosman , Daniela Rus

Transfer learning has become a standard practice to mitigate the lack of labeled data in medical classification tasks. Whereas finetuning a downstream task using supervised ImageNet pretrained features is straightforward and extensively…

计算机视觉与模式识别 · 计算机科学 2023-11-27 Tuan Truong , Sadegh Mohammadi , Matthias Lenga

Shape information is a strong and valuable prior in segmenting organs in medical images. However, most current deep learning based segmentation algorithms have not taken shape information into consideration, which can lead to bias towards…

计算机视觉与模式识别 · 计算机科学 2022-07-07 Yuan Yao , Fengze Liu , Zongwei Zhou , Yan Wang , Wei Shen , Alan Yuille , Yongyi Lu

We present a novel introspective variational autoencoder (IntroVAE) model for synthesizing high-resolution photographic images. IntroVAE is capable of self-evaluating the quality of its generated samples and improving itself accordingly.…

机器学习 · 计算机科学 2018-10-30 Huaibo Huang , Zhihang Li , Ran He , Zhenan Sun , Tieniu Tan

Despite their impressive performance, generative image models trained on large-scale datasets frequently fail to produce images with seemingly simple concepts -- e.g., human hands or objects appearing in groups of four -- that are…

图形学 · 计算机科学 2025-06-25 Matyas Bohacek , Thomas Fel , Maneesh Agrawala , Ekdeep Singh Lubana

The extraction of blood vessels has recently experienced a widespread interest in medical image analysis. Automatic vessel segmentation is highly desirable to guide clinicians in computer-assisted diagnosis, therapy or surgical planning.…

图像与视频处理 · 电气工程与系统科学 2024-09-23 Amine Sadikine , Bogdan Badic , Jean-Pierre Tasu , Vincent Noblet , Dimitris Visvikis , Pierre-Henri Conze

Disentangled encoding is an important step towards a better representation learning. However, despite the numerous efforts, there still is no clear winner that captures the independent features of the data in an unsupervised fashion. In…

机器学习 · 计算机科学 2019-11-28 Amir H. Abdi , Purang Abolmaesumi , Sidney Fels

We present a novel method for constructing Variational Autoencoder (VAE). Instead of using pixel-by-pixel loss, we enforce deep feature consistency between the input and the output of a VAE, which ensures the VAE's output to preserve the…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Xianxu Hou , Linlin Shen , Ke Sun , Guoping Qiu