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The human visual system exhibits non-uniform spatial resolution across the visual field, which is characterized by the cortical magnification factor (CMF) that reflects its anatomical basis. However, current approaches for quantifying CMF…

Neurons and Cognition · Quantitative Biology 2025-12-09 Yujian Xiong , Negar Jalili Mallak , Yanshuai Tu , Zhong-Lin Lu , Yalin Wang

The mapping between the visual input on the retina to the cortical surface, i.e., retinotopic mapping, is an important topic in vision science and neuroscience. Human retinotopic mapping can be revealed by analyzing cortex functional…

Neurons and Cognition · Quantitative Biology 2020-05-27 Yanshuai Tu , Duyan Ta , Zhong-Lin Lu , Yalin Wang

The mapping between visual inputs on the retina and neuronal activations in the visual cortex, i.e., retinotopic map, is an essential topic in vision science and neuroscience. Human retinotopic maps can be revealed by analyzing the…

Neurons and Cognition · Quantitative Biology 2021-06-17 Yanshuai Tu , Duyan Ta , Zhong-Lin Lu , Yalin Wang

The cortical magnification matrix M is introduced founded on a notion similar to that of the scalar cortical magnification factor M. Unlike M, this matrix is suitable to describe anisotropy in cortical magnification, which is of particular…

Neurons and Cognition · Quantitative Biology 2012-11-01 Markus A. Dahlem , Jan Tusch

There is a vast body of theoretical research on lifted inference in probabilistic graphical models (PGMs). However, few demonstrations exist where lifting is applied in conjunction with top of the line applied algorithms. We pursue the…

Computer Vision and Pattern Recognition · Computer Science 2017-08-31 Haroun Habeeb , Ankit Anand , Mausam , Parag Singla

The fetal cortical plate undergoes drastic morphological changes throughout early in utero development that can be observed using magnetic resonance (MR) imaging. An accurate MR image segmentation, and more importantly a topologically…

Image and Video Processing · Electrical Eng. & Systems 2024-10-30 Priscille de Dumast , Hamza Kebiri , Chirine Atat , Vincent Dunet , Mériam Koob , Meritxell Bach Cuadra

Feature tracking Cardiac Magnetic Resonance (CMR) has recently emerged as an area of interest for quantification of regional cardiac function from balanced, steady state free precession (SSFP) cine sequences. However, currently available…

Computer Vision and Pattern Recognition · Computer Science 2017-04-13 Davis M. Vigneault , Weidi Xie , David A. Bluemke , J. Alison Noble

We introduce a model for image morphing in the primary visual cortex V1 to perform completion of missing images in time. We model the output of simple cells through a family of Gabor filters and the propagation of the neural signal…

Analysis of PDEs · Mathematics 2022-08-16 Mattia Galeotti , Giovanna Citti , Alessandro Sarti

The fetal cortical plate (CP) undergoes drastic morphological changes during the in utero development. Therefore, CP growth and folding patterns are key indicator in the assessment of the brain development and maturation. Magnetic resonance…

Image and Video Processing · Electrical Eng. & Systems 2022-08-17 Priscille de Dumast , Hamza Kebiri , Vincent Dunet , Mériam Koob , Meritxell Bach Cuadra

Robust visual localization for urban vehicles remains challenging and unsolved. The limitation of computation efficiency and memory size has made it harder for large-scale applications. Since semantic information serves as a stable and…

Robotics · Computer Science 2020-10-14 Ziwei Liao , Jieqi Shi , Xianyu Qi , Xiaoyu Zhang , Wei Wang , Yijia He , Ran Wei , Xiao Liu

Brain pathologies often manifest as partial or complete loss of tissue. The goal of many neuroimaging studies is to capture the location and amount of tissue changes with respect to a clinical variable of interest, such as disease…

Computer Vision and Pattern Recognition · Computer Science 2022-08-12 Samuel Gerber , Marc Niethammer , Ebrahim Ebrahim , Joseph Piven , Stephen R. Dager , Martin Styner , Stephen Aylward , Andinet Enquobahrie

Surface analysis of the cortex is ubiquitous in human neuroimaging with MRI, e.g., for cortical registration, parcellation, or thickness estimation. The convoluted cortical geometry requires isotropic scans (e.g., 1mm MPRAGEs) and good…

Image and Video Processing · Electrical Eng. & Systems 2023-05-04 Karthik Gopinath , Douglas N. Greve , Sudeshna Das , Steve Arnold , Colin Magdamo , Juan Eugenio Iglesias

In this letter, we propose a novel channel transfer function (CTF) estimation approach for orthogonal frequency division multiplexing (OFDM) systems in high-mobility scenarios, that leverages the stationary properties of the delay-Doppler…

Signal Processing · Electrical Eng. & Systems 2024-12-11 Yiyan Ma , Bo Ai , Guoyu Ma , Akram Shafie , Qingqing Cheng , Mi Yang , Jingli Li , Xuebo Pang , Jinhong Yuan , Zhangdui Zhong

Color fundus photography (CFP) is central to diagnosing and monitoring retinal disease, yet its acquisition variability (e.g., illumination changes) often degrades image quality, which motivates robust enhancement methods. Unpaired…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Xuanzhao Dong , Wenhui Zhu , Yujian Xiong , Xiwen Chen , Hao Wang , Xin Li , Jiajun Cheng , Zhipeng Wang , Shao Tang , Oana Dumitrascu , Yalin Wang

Marking anatomical landmarks in cephalometric radiography is a critical operation in cephalometric analysis. Automatically and accurately locating these landmarks is a challenging issue because different landmarks require different levels…

Computer Vision and Pattern Recognition · Computer Science 2019-08-26 Runnan Chen , Yuexin Ma , Nenglun Chen , Daniel Lee , Wenping Wang

The modulation transfer function (MTF) is widely used to characterise the performance of optical systems. Measuring it is costly and it is thus rarely available for a given lens specimen. Instead, MTFs based on simulations or, at best, MTFs…

Computer Vision and Pattern Recognition · Computer Science 2018-05-07 Matthias Bauer , Valentin Volchkov , Michael Hirsch , Bernhard Schölkopf

In the present paper, an integrated paradigm for topology optimization on complex surfaces with arbitrary genus is proposed. The approach is constructed based on the two-dimensional (2D) Moving Morphable Component (MMC) framework, where a…

Optimization and Control · Mathematics 2022-02-03 Wendong Huo , Chang Liu , Zongliang Du , Xudong Jiang , Zhengyu Liu , Xu Guo

Transmission matrix (TM) allows light control through complex media such as multimode fibers (MMFs), gaining great attention in areas like biophotonics over the past decade. The measurement of a complex-valued TM is highly desired as it…

We present a filtering-based method for semantic mapping to simultaneously detect objects and localize their 6 degree-of-freedom pose. For our method, called Contextual Temporal Mapping (or CT-Map), we represent the semantic map as a belief…

Robotics · Computer Science 2018-10-30 Zhen Zeng , Yunwen Zhou , Odest Chadwicke Jenkins , Karthik Desingh

Visual field or retinotopic mapping is one of the most frequently used paradigms in fMRI. It uses activity evoked by position-varying high luminance contrast visual patterns presented throughout the visual field for determining the spatial…

Neurons and Cognition · Quantitative Biology 2017-07-12 Funda Yildirim , Joana Carvalho , Frans W. Cornelissen
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