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Multimodal 3D Printing of Phantoms to Simulate Biological Tissue

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Perceptual Translucency in 3D Printing Using Surface Texture.

Kazuki Nagasawa¹, Kamui Ono¹, Wataru Arai²

¹Graduate School of Science and Engineering, Chiba University, Chiba 263-8522, Japan.

Journal of Imaging

|May 26, 2023

Summary

This summary is machine-generated.

This study introduces a novel 3D printing technique that uses surface textures to create the perception of translucency. This method focuses on visual cues rather than physical properties, enhancing 3D printed object realism.

Keywords:

perception texture three-dimensional printing translucency

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Area of Science:

* Computer Graphics and Vision
* Perception Science
* Additive Manufacturing

Background:

* Conventional 3D printing methods often focus on replicating the physical properties of materials, such as translucency.
* Human perception of translucency relies on specific visual cues, not solely on material physics.
* Reproducing perceptual translucency in 3D printing remains a challenge.

Purpose of the Study:

* To develop and validate a method for reproducing perceptual translucency in 3D printing.
* To investigate the use of surface texture gradation as a cue for perceived translucency.
* To explore image-based optimization techniques for texture generation.

Main Methods:

* Developed a 3D printing method focusing on perceptual rather than physical translucency.
* Designed surface textures to mimic shading intensity distributions, providing perceptual cues.
* Utilized computer graphics and an image-based optimization approach for texture creation.
* Conducted subjective evaluation experiments with 3D printed objects.

Main Results:

* The proposed texture-based method demonstrated an increase in perceptual translucency under specific observation conditions.
* Subjective evaluations confirmed the effectiveness of surface textures in influencing the perception of translucency.
* The method's success is contingent on observation conditions, highlighting a limitation.

Conclusions:

* Surface texture gradation can effectively simulate perceptual translucency in 3D printing.
* The human visual system can be influenced to perceive translucency through surface texture manipulation alone.
* This research contributes to the understanding of perceptual cues in visual systems and offers a novel approach to translucent 3D printing.