Results 141 to 150 of about 260,355 (166)

White Matter, Cognition, and Electrophysiological Variables in Bipolar Disorder: Using Multimodal Integration of Biomarker Variables Associated With Bipolar Disorder to Elucidate Deficits

open access: yesBipolar Disorders, EarlyView.
ABSTRACT Aim This study aimed to evaluate associations in bipolar disorder (BD) across multimodal measures of white matter microstructure (using diffusion tensor imaging; DTI), cognitive, behavioral, and brain electrophysiological measures (using electroencephalography; EEG).
Audrey Berardi   +15 more
wiley   +1 more source

Modelling non‐linear psychological processes: Reviewing and evaluating non‐parametric approaches and their applicability to intensive longitudinal data

open access: yesBritish Journal of Mathematical and Statistical Psychology, EarlyView.
Abstract Psychological concepts are increasingly understood as complex dynamic systems that change over time. To study these complex systems, researchers are increasingly gathering intensive longitudinal data (ILD), revealing non‐linear phenomena such as asymptotic growth, mean‐level switching, and regulatory oscillations.
Jan I. Failenschmid   +3 more
wiley   +1 more source

Neural Geometry Processing via Spherical Neural Surfaces

open access: yesComputer Graphics Forum, EarlyView.
Abstract Neural surfaces (e.g., neural map encoding, deep implicit, and neural radiance fields) have recently gained popularity because of their generic structure (e.g., multi‐layer perceptron) and easy integration with modern learning‐based setups. Traditionally, we have a rich toolbox of geometry processing algorithms designed for polygonal meshes to
Romy Williamson, Niloy J. Mitra
wiley   +1 more source

Corotational Hinge‐based Thin Plates/Shells

open access: yesComputer Graphics Forum, EarlyView.
Abstract We present six thin plate/shell models, derived from three distinct types of curvature operators formulated within the corotational frame, for simulating both rest‐flat and rest‐curved triangular meshes. Each curvature operator derives a curvature expression corresponding to both a plate model and a shell model.
Qixin Liang
wiley   +1 more source

2D Neural Fields with Learned Discontinuities

open access: yesComputer Graphics Forum, EarlyView.
Abstract Effective representation of 2D images is fundamental in digital image processing, where traditional methods like raster and vector graphics struggle with sharpness and textural complexity, respectively. Current neural fields offer high fidelity and resolution independence but require predefined meshes with known discontinuities, restricting ...
Chenxi Liu   +4 more
wiley   +1 more source

Neural Two‐Level Monte Carlo Real‐Time Rendering

open access: yesComputer Graphics Forum, EarlyView.
Abstract We introduce an efficient Two‐Level Monte Carlo (subset of Multi‐Level Monte Carlo, MLMC) estimator for real‐time rendering of scenes with global illumination. Using MLMC we split the shading integral into two parts: the radiance cache integral and the residual error integral that compensates for the bias of the first one.
Mikhail Dereviannykh   +3 more
wiley   +1 more source

Learning Metric Fields for Fast Low‐Distortion Mesh Parameterizations

open access: yesComputer Graphics Forum, EarlyView.
Abstract We present a fast and robust method for computing an injective parameterization with low isometric distortion for disk‐like triangular meshes. Harmonic function‐based methods, with their rich mathematical foundation, are widely used. Harmonic maps are particularly valuable for ensuring injectivity under certain boundary conditions. In addition,
G. Fargion, O. Weber
wiley   +1 more source

From Words to Wood: Text‐to‐Procedurally Generated Wood Materials

open access: yesComputer Graphics Forum, EarlyView.
Abstract In the domain of wood modeling, we present a new complex appearance model, coupled with a user‐friendly NLP‐based frontend for intuitive interactivity. First, we present a procedurally generated wood model that is capable of accurately simulating intricate wood characteristics, including growth rings, vessels/pores, rays, knots, and figure ...
Mohcen Hafidi, Alexander Wilkie
wiley   +1 more source

State‐of‐the‐art Report in Sketch Processing

open access: yesComputer Graphics Forum, EarlyView.
Abstract Sketches are a powerful and natural form of communication and are used in numerous systems for modelling, animation, shape retrieval, and editing. Despite their popularity, rough sketches — whether raster or vector, 2D or 3D — are often too complex and imprecise to be used directly and thus need special processing.
Chenxi Liu, Mikhail Bessmeltsev
wiley   +1 more source

Multiphysics Simulation Methods in Computer Graphics

open access: yesComputer Graphics Forum, EarlyView.
Abstract Physics simulation is a cornerstone of many computer graphics applications, ranging from video games and virtual reality to visual effects and computational design. The number of techniques for physically‐based modeling and animation has thus skyrocketed over the past few decades, facilitating the simulation of a wide variety of materials and ...
Daniel Holz   +5 more
wiley   +1 more source

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