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Most recent works in optical flow extraction focus on the accuracy and neglect the time complexity. However, in real-life visual applications, such as tracking, activity detection and recognition, the time complexity is critical. We propose…

Computer Vision and Pattern Recognition · Computer Science 2016-03-14 Till Kroeger , Radu Timofte , Dengxin Dai , Luc Van Gool

This study presents a dynamic Quantum-Inspired Genetic Algorithm (D-QIGA) for feature selection, leveraging quantum principles like superposition and rotation gates to enhance exploration and exploitation. D-QIGA introduces adaptive…

Neural and Evolutionary Computing · Computer Science 2025-04-08 Akhilesh Kumar Singh , Kirankumar R. Hiremath

Purpose: Deformable image registration (DIR) is critical in adaptive radiation therapy (ART) to account for anatomical changes. Conventional intensity-based DIR methods often fail when image intensities differ. This study evaluates a hybrid…

Medical Physics · Physics 2024-11-27 Keyur D. Shah , James A. Shackleford , Nagarajan Kandasamy , Gregory C. Sharp

Independent component analysis (ICA) is a widely used BSS method that can uniquely achieve source recovery, subject to only scaling and permutation ambiguities, through the assumption of statistical independence on the part of the latent…

Machine Learning · Statistics 2018-01-29 Zois Boukouvalas

Independent Component Analysis (ICA) is a technique for unsupervised exploration of multi-channel data widely used in observational sciences. In its classical form, ICA relies on modeling the data as a linear mixture of non-Gaussian…

Machine Learning · Statistics 2017-11-30 Pierre Ablin , Jean-François Cardoso , Alexandre Gramfort

Computational image reconstruction algorithms generally produce a single image without any measure of uncertainty or confidence. Regularized Maximum Likelihood (RML) and feed-forward deep learning approaches for inverse problems typically…

Machine Learning · Computer Science 2020-12-18 He Sun , Katherine L. Bouman

The statistical dependencies which independent component analysis (ICA) cannot remove often provide rich information beyond the linear independent components. It would thus be very useful to estimate the dependency structure from data.…

Machine Learning · Statistics 2017-07-28 Hiroaki Sasaki , Michael U. Gutmann , Hayaru Shouno , Aapo Hyvärinen

We present a new uncertainty estimation method for Particle Image Velocimetry (PIV), that uses the correlation plane as a model for the probability density function (PDF) of displacements and calculates the second order moment of the…

Fluid Dynamics · Physics 2018-05-01 Sayantan Bhattacharya , John J. Charonko , Pavlos P. Vlachos

Recent works show that convolutional neural network (CNN) architectures have a spectral bias towards lower frequencies, which has been leveraged for various image restoration tasks in the Deep Image Prior (DIP) framework. The benefit of the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Metin Ersin Arican , Ozgur Kara , Gustav Bredell , Ender Konukoglu

The Intermeshed Steel Connection (ISC) system, when paired with robotic manipulators, can accelerate steel-frame assembly and improve worker safety by eliminating manual assembly. Dependable perception is one of the initial stages for…

Computer Vision and Pattern Recognition · Computer Science 2025-11-06 Miftahur Rahman , Samuel Adebayo , Dorian A. Acevedo-Mejia , David Hester , Daniel McPolin , Karen Rafferty , Debra F. Laefer

Recently, Deep Image Prior (DIP) has demonstrated strong capabilities for solving inverse imaging problems (IIPs) by optimizing a randomly initialized convolutional neural network in a training-data-free regime. However, DIP suffers from…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Chaoyan Huang , Cheng-Han Huang , Ismail R. Alkhouri , Rongrong Wang

Establishing dense correspondences between multiple images is a fundamental task in many applications. However, finding a reliable correspondence in multi-modal or multi-spectral images still remains unsolved due to their challenging…

Computer Vision and Pattern Recognition · Computer Science 2016-04-28 Seungryong Kim , Dongbo Min , Bumsub Ham , Minh N. Do , Kwanghoon Sohn

In this paper, we study the cross-modal image retrieval, where the inputs contain a source image plus some text that describes certain modifications to this image and the desired image. Prior work usually uses a three-stage strategy to…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Chunbin Gu , Jiajun Bu , Xixi Zhou , Chengwei Yao , Dongfang Ma , Zhi Yu , Xifeng Yan

Micromechanical constitutive parameters are important for many engineering materials, typically in microelectronic applications and material design. Their accurate identification poses a three-fold experimental challenge: (i) deformation of…

Soft Condensed Matter · Physics 2023-02-08 O. Rokoš , R. H. J. Peerlings , J. P. M. Hoefnagels , M. G. D. Geers

Initial orbit determination (IOD) is an important early step in the processing chain that makes sense of and reconciles the multiple optical observations of a resident space object. IOD methods generally operate on line-of-sight (LOS)…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Chee-Kheng Chng , Trent Jansen-Sturgeon , Timothy Payne , Tat-Jun Chin

This paper combines Struts and Hibernate two architectures together, using DAO (Data Access Object) to store and access data. Then a set of dual-mode humidity medical image library suitable for deep network is established, and a dual-mode…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Jiajie Yuan , Linxiao Wu , Yulu Gong , Zhou Yu , Ziang Liu , Shuyao He

Deep learning has shown great potential in accelerating diffusion tensor imaging (DTI). Nevertheless, existing methods tend to suffer from Rician noise and detail loss in reconstructing the DTI-derived parametric maps especially when…

Computer Vision and Pattern Recognition · Computer Science 2024-01-04 Wenxin Fan , Jian Cheng , Cheng Li , Xinrui Ma , Jing Yang , Juan Zou , Ruoyou Wu , Qiegen Liu , Shanshan Wang

Image compression is a widely used technique to reduce the spatial redundancy in images. Recently, learning based image compression has achieved significant progress by using the powerful representation ability from neural networks.…

Image and Video Processing · Electrical Eng. & Systems 2020-05-26 Jiaheng Liu , Guo Lu , Zhihao Hu , Dong Xu

D-Optimal designs for estimating parameters of response models are derived by maximizing the determinant of the Fisher information matrix. For non-linear models, the Fisher information matrix depends on the unknown parameter vector of…

Methodology · Statistics 2026-01-16 Suvrojit Ghosh , Koulik Khamaru , Tirthankar Dasgupta

Estimation and inference in dynamic discrete choice models often relies on approximation to lower the computational burden of dynamic programming. Unfortunately, the use of approximation can impart substantial bias in estimation and results…

Econometrics · Economics 2020-10-23 Ben Deaner