Abstract

Although 3D texture painting has an advantage of making it easy to grasp the overall shape compared with a method of drawing directly onto a UV map, a disadvantage is unpainted (or distorted) regions appearing in the result due to, for example, self-occluded parts. Thus, in order to perform painting without leaving unpainted parts, a sequential change of viewpoints is necessary. However, this process is highly time-consuming.

To address this problem, we propose an automatic suggestion of optimal viewpoints for 3D texture painting. As the user paints a model, the system searches for optimal viewpoints for subsequent painting and presents them as multiple suggestions. The user switches to a suggested viewpoint by clicking on a suggestion. We conducted a user study and confirmed that the proposed workflow was effective for 3D texture painting envisioned by users.

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@inproceedings{10.1145/3355088.3365159,
author = {Takahashi, Yuka and Fukusato, Tsukasa and Igarashi, Takeo},
title = {PaintersView: Automatic Suggestion of Optimal Viewpoints for 3D Texture Painting},
year = {2019},
isbn = {9781450369459},
publisher = {Association for Computing Machinery},
address = {New York, NY, USA},
url = {https://doi.org/10.1145/3355088.3365159},
doi = {10.1145/3355088.3365159},
booktitle = {SIGGRAPH Asia 2019 Technical Briefs},
pages = {99–102},
numpages = {4},
keywords = {viewpoint selection, self-occlusion, 3D texture painting},
location = {Brisbane, QLD, Australia},
series = {SA ’19}
}

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