Rilievo: Artistic Scene Authoring via Interactive Height Map Extrusion in VR

Leonardo ◽  
2020 ◽  
Vol 53 (4) ◽  
pp. 438-441
Author(s):  
Sevinc Eroglu ◽  
Patric Schmitz ◽  
Carlos Aguilera Martinez ◽  
Jana Rusch ◽  
Leif Kobbelt ◽  
...  
Keyword(s):  
Spatial Arrangement ◽  
Input Image ◽  
Artistic Creation ◽  
Image Structure ◽  
3D Objects ◽  
Input Material ◽  
Authoring Environment ◽  
2D Images

The authors present a virtual authoring environment for artistic creation in VR. It enables the effortless conversion of 2D images into volumetric 3D objects. Artistic elements in the input material are extracted with a convenient VR-based segmentation tool. Relief sculpting is then performed by interactively mixing different height maps. These are automatically generated from the input image structure and appearance. A prototype of the tool is showcased in an analog-virtual artistic workflow in collaboration with a traditional painter. It combines the expressiveness of analog painting and sculpting with the creative freedom of spatial arrangement in VR.

scholarly journals Dimensions of Perception: 3D Real-Life Objects Are More Readily Detected Than Their 2D Images

2021 ◽  
pp. 095679762110107
Author(s):  
Uri Korisky ◽  
Liad Mudrik
Keyword(s):  
Young Adults ◽  
Augmented Reality ◽  
3D Printing ◽  
Real Life ◽  
Interocular Suppression ◽  
Continuous Flash Suppression ◽  
3D Objects ◽  
Real Objects ◽  
2D Images

Most of our interactions with our environment involve manipulating real 3D objects. Accordingly, 3D objects seem to enjoy preferential processing compared with 2D images, for example, in capturing attention or being better remembered. But are they also more readily perceived? Thus far, the possibility of preferred detection for real 3D objects could not be empirically tested because suppression from awareness has been applied only to on-screen stimuli. Here, using a variant of continuous flash suppression (CFS) with augmented-reality goggles (“real-life” CFS), we managed to suppress both real 3D objects and their 2D representations. In 20 healthy young adults, real objects broke suppression faster than their photographs. Using 3D printing, we also showed in 50 healthy young adults that this finding held only for meaningful objects, whereas no difference was found for meaningless, novel ones (a similar trend was observed in another experiment with 20 subjects, yet it did not reach significance). This suggests that the effect might be mediated by affordances facilitating detection of 3D objects under interocular suppression.

scholarly journals Creativity, anticipation and the quantum theory of consciousness in cross-disciplinary studies: 3D perception of 2D images

2019 ◽  
Author(s):  
Marsel Fazlyyyakhmatov ◽  
Vladimir Antipov
Keyword(s):  
Quantum Theory ◽  
Stereoscopic Depth ◽  
Visual Environment ◽  
Initial State ◽  
Main Condition ◽  
3D Perception ◽  
Spatial Perspective ◽  
3D Objects ◽  
2D Images ◽  
Relief Effect

In this article, the perception of 3D attributes (depth, volume and spatial perspective) is examined from the perspective of creativity, the anticipation phenomenon and the quantum theory of consciousness. The aim of the work is to consider activation of the incubation and insight processes under the influence of flat images in the modern visual environment. It is shown that not only can people perceive 3D objects as 3D objects but they can also perceive man-made 2D images as 3D objects. The main condition for the 3D phenomenon to occur is extensive visual training, which requires the trainee to look at stereograms and observe their stereoscopic depth. The results of interviews of 336 schoolchildren of 8-11 grades on the initial state of the 3D phenomenon - the relief effect are presented in this work. It is experimentally shown that when observing a phenomenon, new physiological features of perception are formed. Focusing of eyes occurs behind the plane of the presented images. This feature was detected using a binocular eyetracker.

scholarly journals Tangible symmetry elements and space-group models to guide from molecular to solid-state composition

2022 ◽  
Vol 55 (1) ◽  
Author(s):  
Nico Graw ◽  
Dietmar Stalke
Keyword(s):  
Solid State ◽  
Spatial Arrangement ◽  
Lecture Hall ◽  
Complete Space ◽  
Space Groups ◽  
3D Objects ◽  
Rotation Axes ◽  
Hands On ◽  
Spatial Imagination ◽  
State Composition

The ability to imagine symmetry and the spatial arrangement of atoms and molecules is crucial in chemistry in general. Teaching and understanding crystallography and the composition of the solid state therefore require understanding of symmetry elements and their relationships. To foster the student's spatial imagination, models representing a range of concepts from individual rotation axes to complete space groups have been designed and built. These models are robust and large enough to be presented and operated in a lecture hall, and they enable students to translate conventional 2D notations into 3D objects and vice versa. Tackling them hands-on means understanding them.

scholarly journals Creativity, anticipation and the quantum theory of consciousness in cross-disciplinary studies: 3D perception of 2D images

2019 ◽  
Author(s):  
Marsel Fazlyyyakhmatov ◽  
Vladimir Antipov
Keyword(s):  
Quantum Theory ◽  
Stereoscopic Depth ◽  
Visual Environment ◽  
Initial State ◽  
Main Condition ◽  
3D Perception ◽  
Spatial Perspective ◽  
3D Objects ◽  
2D Images ◽  
Relief Effect

In this article, the perception of 3D attributes (depth, volume and spatial perspective) is examined from the perspective of creativity, the anticipation phenomenon and the quantum theory of consciousness. The aim of the work is to consider activation of the incubation and insight processes under the influence of flat images in the modern visual environment. It is shown that not only can people perceive 3D objects as 3D objects but they can also perceive man-made 2D images as 3D objects. The main condition for the 3D phenomenon to occur is extensive visual training, which requires the trainee to look at stereograms and observe their stereoscopic depth. The results of interviews of 336 schoolchildren of 8-11 grades on the initial state of the 3D phenomenon - the relief effect are presented in this work. It is experimentally shown that when observing a phenomenon, new physiological features of perception are formed. Focusing of eyes occurs behind the plane of the presented images. This feature was detected using a binocular eyetracker.

scholarly journals Orthogonal Bisection of an Image

2006 ◽  
Author(s):  
Robert Tamburo
Keyword(s):  
Source Code ◽  
Input Image ◽  
3D Images ◽  
Pixel Location ◽  
Size Dimension ◽  
Image Pixels ◽  
2D Images

This document describes a filter called itkOrthogonalBisectImageFilter, which bisects an input image and copies each divided region into two separate output images. Pixel values are copied while maintaining their original pixel location. The output images are of the same size, dimension, and pixel type as the input image. Pixels that have not been copied from the input image are set to a user-specified value. This filter is restricted to bisection along a cardinal axis, i.e., in a direction orthogonal to a bisecting slice (line for 2D images or plane for 3D images). Submitted with this document is the source code for the filter and source code for demonstrating filter usage via an image input as an argument. Also included is source code for testing the functionality of the filter.

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