Viewpoint Selection for Photographing Architectures
Jingwu He, Linbo Wang, Wenzhe Zhou, Hongjie Zhang, Xiufen Cui, and, Yanwen Guo

TL;DR
This paper proposes a method combining 2D image features and 3D geometric features to recommend optimal viewpoints for architectural photography, validated through extensive experiments and applicable to architectural rendering.
Contribution
It introduces a novel multi-view learning approach using combined 2D and 3D features for viewpoint recommendation and evaluation of architectural photographs.
Findings
Combining 2D and 3D features improves viewpoint quality assessment.
The proposed system outperforms methods using only 2D or 3D features.
The approach is effective for both photographic viewpoint recommendation and architectural rendering.
Abstract
This paper studies the problem of how to choose good viewpoints for taking photographs of architectures. We achieve this by learning from professional photographs of world famous landmarks that are available on the Internet. Unlike previous efforts devoted to photo quality assessment which mainly rely on 2D image features, we show in this paper combining 2D image features extracted from images with 3D geometric features computed on the 3D models can result in more reliable evaluation of viewpoint quality. Specifically, we collect a set of photographs for each of 15 world famous architectures as well as their 3D models from the Internet. Viewpoint recovery for images is carried out through an image-model registration process, after which a newly proposed viewpoint clustering strategy is exploited to validate users' viewpoint preferences when photographing landmarks. Finally, we extract a…
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Taxonomy
TopicsAdvanced Image and Video Retrieval Techniques · Robotics and Sensor-Based Localization · Visual Attention and Saliency Detection
