English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

. In the fast three-dimensional (3-D) shape measurement, it is an important factor to use the least number of the fringe pattern to get 3-D shape measurement of arbitrary objects. Although one-shot technologies can use one-frame deformed fringe pattern to get the wrapped phase, they are easily affected by the surface property and suffer from poor spatial resolution. In addition to the process, phase unwrapping may affect the quality of absolute phase. This paper proposes a fast measurement method based on a phase measurement profilometry and stereo vision system. This method can reconstruct 3-D surface without phase unwrapping. Using original image matching constraint, a rough parallax is used in the phase matching. To resist the false matching, subpixel parallax optimization is used to reduce the matching errors. To detect the edge point of wrapped phase, the average phase is calculated. Experimental results verify the feasibility of the proposed method and it can measure complex objects without phase unwrapping.

High-speed three-dimensional shape measurement using phase measurement profilometry without phase unwrapping