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Cosmic microwave background radiation (CMB) is critical to the understanding of the early universe and precise estimation of cosmological constants. Due to the contamination of thermal dust noise in the galaxy, the CMB map that is an image…

Image and Video Processing · Electrical Eng. & Systems 2020-02-03 Kai Yi , Yi Guo , Yanan Fan , Jan Hamann , Yu Guang Wang

We propose a novel Conditional Latent space Variational Autoencoder (CL-VAE) to perform improved pre-processing for anomaly detection on data with known inlier classes and unknown outlier classes. This proposed variational autoencoder (VAE)…

Machine Learning · Computer Science 2024-10-17 Oskar Åström , Alexandros Sopasakis

Karyotyping is a process in which chromosomes in a dividing cell are properly stained, identified and displayed in a standard format, which helps geneticist to study and diagnose genetic factors behind various genetic diseases and for…

Computer Vision and Pattern Recognition · Computer Science 2012-05-10 K. S. Sreejini , A. Lijiya , V. K. Govindan

Conditional variational autoencoders (CVAEs) are versatile deep generative models that extend the standard VAE framework by conditioning the generative model with auxiliary covariates. The original CVAE model assumes that the data samples…

Machine Learning · Statistics 2022-03-03 Siddharth Ramchandran , Gleb Tikhonov , Otto Lönnroth , Pekka Tiikkainen , Harri Lähdesmäki

Electrocardiogram (ECG) diagnosis remains challenging due to limited labeled data and the need to capture subtle yet clinically meaningful variations in rhythm and morphology. We present CREMA (Contrastive Regularized Masked Autoencoder), a…

Machine Learning · Computer Science 2025-08-22 Junho Song , Jong-Hwan Jang , DongGyun Hong , Joon-myoung Kwon , Yong-Yeon Jo

While transformers have surpassed convolutional neural networks (CNNs) in various computer vision tasks, microelectronics defect detection still largely relies on CNNs. We hypothesize that this gap is due to the fact that a) transformers…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Nikolai Röhrich , Alwin Hoffmann , Richard Nordsieck , Emilio Zarbali , Alireza Javanmardi

We propose causal recurrent variational autoencoder (CR-VAE), a novel generative model that is able to learn a Granger causal graph from a multivariate time series x and incorporates the underlying causal mechanism into its data generation…

Machine Learning · Computer Science 2023-01-18 Hongming Li , Shujian Yu , Jose Principe

Classical methods for model order selection often fail in scenarios with low SNR or few snapshots. Deep learning-based methods are promising alternatives for such challenging situations as they compensate lack of information in the…

Signal Processing · Electrical Eng. & Systems 2023-12-07 Michael Baur , Franz Weißer , Benedikt Böck , Wolfgang Utschick

Clustering high-dimensional data, such as images or biological measurements, is a long-standingproblem and has been studied extensively. Recently, Deep Clustering has gained popularity due toits flexibility in fitting the specific…

Machine Learning · Computer Science 2020-12-21 Andreas Kopf , Vincent Fortuin , Vignesh Ram Somnath , Manfred Claassen

Masked Autoencoder~(MAE) is a prevailing self-supervised learning method that achieves promising results in model pre-training. However, when the various downstream tasks have data distributions different from the pre-training data, the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-09 Zhili Liu , Kai Chen , Jianhua Han , Lanqing Hong , Hang Xu , Zhenguo Li , James T. Kwok

Upcoming surveys will produce billions of galaxy images but comparatively few spectra, motivating models that learn cross-modal representations. We build a dataset of 134,533 galaxy images (HSC-PDR2) and spectra (DESI-DR1) and adapt a…

Instrumentation and Methods for Astrophysics · Physics 2025-10-28 Morgan Himes , Samiksha Krishnamurthy , Andrew Lizarraga , Srinath Saikrishnan , Vikram Seenivasan , Jonathan Soriano , Ying Nian Wu , Tuan Do

Chromosome analysis and identification from metaphase images is a critical part of cytogenetics based medical diagnosis. It is mainly used for identifying constitutional, prenatal and acquired abnormalities in the diagnosis of genetic…

Computer Vision and Pattern Recognition · Computer Science 2022-09-13 Amritha S Pallavoor , Prajwal A , Sundareshan TS , Sreekanth K Pallavoor

Often the analysis of time-dependent chemical and biophysical systems produces high-dimensional time-series data for which it can be difficult to interpret which individual features are most salient. While recent work from our group and…

Masked autoencoder (MAE) is a promising self-supervised pre-training technique that can improve the representation learning of a neural network without human intervention. However, applying MAE directly to volumetric medical images poses…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Jia-Xin Zhuang , Luyang Luo , Hao Chen

Variational autoencoders (VAEs) are fundamental for generative modeling and image reconstruction, yet their performance often struggles to maintain high fidelity in reconstructions. This study introduces a hybrid model, quantum variational…

Computer Vision and Pattern Recognition · Computer Science 2025-03-10 Farina Riaz , Fakhar Zaman , Hajime Suzuki , Sharif Abuadbba , David Nguyen

Biomedical imaging and RNA sequencing with single-cell resolution improves our understanding of white blood cell diseases like leukemia. By combining morphological and transcriptomic data, we can gain insights into cellular functions and…

Computer Vision and Pattern Recognition · Computer Science 2024-08-26 Gizem Mert , Ario Sadafi , Raheleh Salehi , Nassir Navab , Carsten Marr

Low-dose computed tomography (LDCT) reduces the X-ray radiation but compromises image quality with more noises and artifacts. A plethora of transformer models have been developed recently to improve LDCT image quality. However, the success…

Image and Video Processing · Electrical Eng. & Systems 2022-10-18 Dayang Wang , Yongshun Xu , Shuo Han , Hengyong Yu

Masked Autoencoders (MAE) achieve self-supervised learning of image representations by randomly removing a portion of visual tokens and reconstructing the original image as a pretext task, thereby significantly enhancing pretraining…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Jiaxuan Li , Qing Xu , Xiangjian He , Ziyu Liu , Chang Xing , Zhen Chen , Daokun Zhang , Rong Qu , Chang Wen Chen

This study introduces a compositional autoencoder (CAE) framework designed to disentangle the complex interplay between genotypic and environmental factors in high-dimensional phenotype data to improve trait prediction in plant breeding and…

Vision Transformers (ViT) become widely-adopted architectures for various vision tasks. Masked auto-encoding for feature pretraining and multi-scale hybrid convolution-transformer architectures can further unleash the potentials of ViT,…

Computer Vision and Pattern Recognition · Computer Science 2022-05-20 Peng Gao , Teli Ma , Hongsheng Li , Ziyi Lin , Jifeng Dai , Yu Qiao