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Hiroyuki Kayaba

dblp:208/4311 · DBLP profile ↗
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1ranked-venue papers
1as first author
0since 2021 · last 2017
—ORCID · unresolved

Domains — the database's venue-derived domains; a paper can count in several

Artificial intelligence and machine learning · 1 · 1 first-authorGraphics, computer vision, multimedia, augmented reality and games · 1 · 1 first-author

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Computer graphics and multimedia
1 paper
Computational photography and imaging · 46% Image and video processing · 30% Geometric modeling and processing · 23%

Topics — the 4 heaviest of 5, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Computational photography and imaging
3d scanning
0.312017
Non-contact Full Field Vibration Measurement Based on Phase-Shifting · CVPR 2017
Computational photography and imaging
phase shifting
0.312017
Non-contact Full Field Vibration Measurement Based on Phase-Shifting · CVPR 2017
Geometric modeling and processing › surface reconstruction
shape reconstruction
0.312017
Non-contact Full Field Vibration Measurement Based on Phase-Shifting · CVPR 2017
Image and video processing
vibration measurement
0.312017
Non-contact Full Field Vibration Measurement Based on Phase-Shifting · CVPR 2017

Methods — techniques the papers use, named apart from their topics

phase-shifting · 0.3frame-to-frame optimization · 0.3
YearPublicationVenuePosition
2017 Non-contact Full Field Vibration Measurement Based on Phase-Shifting
abstract
Vibration measurement systems are widely used in the industry. A variety of vibration measurement techniques are proposed, including methods using an acceleration sensor, a laser displacement meter, and tracking a marker using a camera. However, these methods have limitations that allow only one point to be measured and require markers. We present a novel, non-contact full field joint measurement technique both of vibrations and shape based on phase-shifting. Our key idea is to acquire the frequency of vibrating objects using FFT to analyze the phase-shift error of vibrating objects. Our proposed algorithm estimates the phase-shift error by iterating frame-to-frame optimization and pixel-to-pixel optimization. A feature of our approach is to measure the surface of vibrating at different frequencies without markers or texture in full fields. Our developed system is a low cost system, which is composed of a digital-light-processing (DLP) projector and camera (100 frames per second). The results of our experiments show that low frequency vibration of objects can be measured with high accuracy in non-contact. Also, reconstruction of the vibrating object surface can be performed with high accuracy.
Hiroyuki Kayaba, Yuji Kokumai
CVPR1