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Journal of Imaging, Volume 5, Issue 7

July 2019 - 4 articles

Cover Story: This seven-band color photometric stereo estimates the shape from a single-shot image. The target object is illuminated with seven light sources with wavelengths of 750nm, 632nm, 610nm, 550nm, 520nm, 470nm, and 430nm. The illuminated object is captured by a seven-band multispectral camera. Conventional three-band color photometric stereo suffers from the problem that the target object should be white, though this method overcomes the problem and estimates the surface normal of multicolored objects. The first column of this image shows the target object, the second column is the pseudocolor representation of the estimatedsurface normal, and the third column is the shape integrated from thesurface normal. View this paper

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Article

13 Citations

5,646 Views

19 Pages

Impact of Relative Humidity on Wood Sample: A Climate Chamber Experimental Simulation Monitored by Digital Holographic Speckle Pattern Interferometry

Vivi Tornari,
Thomas Basset,
Michalis Andrianakis and
Kyriaki Kosma

J. Imaging2019, 5(7), 65;https://doi.org/10.3390/jimaging5070065

18 July 2019

Relative humidity (RH) changes are a natural environmental effect that forces organic materials to a constant cycle of achieving equilibrium. The present work is part of an ongoing research based on the hypothesis that the inevitable deleterious effe...

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Article

9 Citations

7,481 Views

29 Pages

Color Photometric Stereo Using Multi-Band Camera Constrained by Median Filter and Occluding Boundary

Daisuke Miyazaki,
Yuka Onishi and
Shinsaku Hiura

J. Imaging2019, 5(7), 64;https://doi.org/10.3390/jimaging5070064

16 July 2019

One of the main problems faced by the photometric stereo method is that several measurements are required, as this method needs illumination from light sources from different directions. A solution to this problem is the color photometric stereo meth...

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Article

8 Citations

6,851 Views

12 Pages

Imaging Membrane Curvature inside a FcεRI-Centric Synapse in RBL-2H3 Cells Using TIRF Microscopy with Polarized Excitation

Rosa Machado,
Justin Bendesky,
Madison Brown,
Kathrin Spendier and
Guy M. Hagen

J. Imaging2019, 5(7), 63;https://doi.org/10.3390/jimaging5070063

4 July 2019

Total internal reflection fluorescence microscopy with polarized excitation (P-TIRF) can be used to image nanoscale curvature phenomena in live cells. We used P-TIRF to visualize rat basophilic leukemia cells (RBL-2H3 cells) primed with fluorescent a...

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Editorial

4,439 Views

4 Pages

Introduction to the Special Issue on Image-Based Information Retrieval from the Web

Phivos Mylonas and
Evaggelos Spyrou

J. Imaging2019, 5(7), 62;https://doi.org/10.3390/jimaging5070062

30 June 2019

In recent years, following the tremendous growth of the Web, extremely large amounts of digital multimedia content are being produced every day and are shared online mainly through several newly emerged channels, such as social networks [...]

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