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We target the problem of estimating the center of mass of noisy 2-D images. We assume that the noise dominates the image, and thus many standard approaches are vulnerable to estimation errors. Our approach uses a surrogate function to the…

Image and Video Processing · Electrical Eng. & Systems 2021-03-04 Ayelet Heimowitz , Nir Sharon , Amit Singer

Analysing coronary artery plaque segments with respect to their functional significance and therefore their influence to patient management in a non-invasive setup is an important subject of current research. In this work we compare and…

Image and Video Processing · Electrical Eng. & Systems 2019-12-16 Felix Denzinger , Michael Wels , Katharina Breininger , Anika Reidelshöfer , Joachim Eckert , Michael Sühling , Axel Schmermund , Andreas Maier

The decomposition of a sample of images on a relevant subspace is a recurrent problem in many different fields from Computer Vision to medical image analysis. We propose in this paper a new learning principle and implementation of the…

Applications · Statistics 2012-03-19 Stéphanie Allassonniére , Laurent Younes

Image classification has significantly improved using deep learning. This is mainly due to convolutional neural networks (CNNs) that are capable of learning rich feature extractors from large datasets. However, most deep learning…

Computer Vision and Pattern Recognition · Computer Science 2021-10-06 Xiaoyu Lin , Deblina Bhattacharjee , Majed El Helou , Sabine Süsstrunk

We consider the problem of extracting a common structure from multiple tensor datasets. For this purpose, we propose multilinear common component analysis (MCCA) based on Kronecker products of mode-wise covariance matrices. MCCA constructs…

Machine Learning · Statistics 2020-11-23 Kohei Yoshikawa , Shuichi Kawano

In this letter, we formulate a compositional distributed learning framework for multi-view perception by leveraging the maximal coding rate reduction principle combined with subspace basis fusion. In the proposed algorithm, each agent…

Image and Video Processing · Electrical Eng. & Systems 2025-11-13 Zhuojun Tian , Mehdi Bennis

Leveraging the powerful representation learning capabilities, deep multi-view clustering methods have demonstrated reliable performance by effectively integrating multi-source information from diverse views in recent years. Most existing…

Computer Vision and Pattern Recognition · Computer Science 2025-05-28 Xihong Yang , Siwei Wang , Fangdi Wang , Jiaqi Jin , Suyuan Liu , Yue Liu , En Zhu , Xinwang Liu , Yueming Jin

Recently proposed automatic pathological speech detection approaches rely on spectrogram input representations or wav2vec2 embeddings. These representations may contain pathology irrelevant uncorrelated information, such as changing…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-27 Yacouba Kaloga , Shakeel A. Sheikh , Ina Kodrasi

Despite a lack of theoretical understanding, deep neural networks have achieved unparalleled performance in a wide range of applications. On the other hand, shallow representation learning with component analysis is associated with rich…

Machine Learning · Computer Science 2018-03-20 Calvin Murdock , Ming-Fang Chang , Simon Lucey

Principal component analysis (PCA) is arguably the most widely used dimension-reduction method for vector-type data. When applied to a sample of images, PCA requires vectorization of the image data, which in turn entails solving an…

Image and Video Processing · Electrical Eng. & Systems 2021-03-02 Szu-Chi Chung , Shao-Hsuan Wang , Po-Yao Niu , Su-Yun Huang , Wei-Hau Chang , I-Ping Tu

Fair principal component analysis (FPCA), a ubiquitous dimensionality reduction technique in signal processing and machine learning, aims to find a low-dimensional representation for a high-dimensional dataset in view of fairness. The FPCA…

Optimization and Control · Mathematics 2023-12-27 Meng Xu , Bo Jiang , Wenqiang Pu , Ya-Feng Liu , Anthony Man-Cho So

The degree of malignancy of osteosarcoma and its tendency to metastasize/spread mainly depend on the pathological grade (determined by observing the morphology of the tumor under a microscope). The purpose of this study is to use artificial…

Image and Video Processing · Electrical Eng. & Systems 2022-05-02 Liangrui Pan , Hetian Wang , Lian Wang , Boya Ji , Mingting Liu , Mitchai Chongcheawchamnan , Jin Yuan , Shaoliang Peng

Recent medical imaging studies have given rise to distinct but inter-related datasets corresponding to multiple experimental tasks or longitudinal visits. Standard scalar-on-image regression models that fit each dataset separately are not…

Methodology · Statistics 2022-01-21 Xin Ma , Suprateek Kundu

Diffusion models have demonstrated exceptional ability in modeling complex image distributions, making them versatile plug-and-play priors for solving imaging inverse problems. However, their reliance on large-scale clean datasets for…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Weimin Bai , Weiheng Tang , Enze Ye , Siyi Chen , Wenzheng Chen , He Sun

Fourier ptychography is a new computational microscopy technique that provides gigapixel-scale intensity and phase images with both wide field-of-view and high resolution. By capturing a stack of low-resolution images under different…

Tissue microarray (TMA) images have been used increasingly often in cancer studies and the validation of biomarkers. TACOMA---a cutting-edge automatic scoring algorithm for TMA images---is comparable to pathologists in terms of accuracy and…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Donghui Yan , Timothy W. Randolph , Jian Zou , Peng Gong

Bayesian inference promises to ground and improve the performance of deep neural networks. It promises to be robust to overfitting, to simplify the training procedure and the space of hyperparameters, and to provide a calibrated measure of…

Machine Learning · Computer Science 2019-08-12 Jonathan Heek , Nal Kalchbrenner

In this report we study the problem of determining three-dimensional orientations for noisy projections of randomly oriented identical particles. The problem is of central importance in the tomographic reconstruction of the density map of…

Data Structures and Algorithms · Computer Science 2007-05-23 Taneli Mielikäinen , Janne Ravantti , Esko Ukkonen

In this paper, we examine the use of a deep multi-layer perceptron model architecture to classify received signal samples as coming from one of four common waveforms, Single Carrier (SC), Single-Carrier Frequency Division Multiple Access…

Signal Processing · Electrical Eng. & Systems 2021-08-18 C. Tanner Fredieu , Justin Bui , Anthony Martone , Robert J. Marks , Charles Baylis , R. Michael Buehrer

The thin and flexible nature of optical fibres often makes them the ideal technology to view biological processes in-vivo, but current microendoscopic approaches are limited in spatial resolution. Here, we demonstrate a new route to high…

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