Single-pixel imaging by Hadamard transform and its application for hyperspectral imaging

Yasuhiro Mizutani; Kyuki Shibuya; Hiroki Taguchi; Tetsuo Iwata; Yasuhiro Takaya; Takeshi Yasui

doi:10.1117/12.2246311

31 October 2016 Single-pixel imaging by Hadamard transform and its application for hyperspectral imaging

Yasuhiro Mizutani, Kyuki Shibuya, Hiroki Taguchi, Tetsuo Iwata, Yasuhiro Takaya, Takeshi Yasui

Proceedings Volume 10021, Optical Design and Testing VII; 100210B (2016) https://doi.org/10.1117/12.2246311
Event: SPIE/COS Photonics Asia, 2016, Beijing, China

Abstract

In this paper, we report on comparisons of single-pixel imagings using Hadamard Transform (HT) and the ghost imaging (GI) in the view point of the visibility under weak light conditions. For comparing the two methods, we have discussed about qualities of images based on experimental results and numerical analysis. To detect images by the TH method, we have illuminated the Hadamard-pattern mask and calculated by orthogonal transform. On the other hand, the GH method can detect images by illuminating random patterns and a correlation measurement. For comparing two methods under weak light intensity, we have controlled illuminated intensities of a DMD projector about 0.1 in signal-to-noise ratio. Though a process speed of the HT image was faster then an image via the GI, the GI method has an advantage of detection under weak light condition. An essential difference between the HT and the GI method is discussed about reconstruction process. Finally, we also show a typical application of the single-pixel imaging such as hyperspectral images by using dual-optical frequency combs. An optical setup consists of two fiber lasers, spatial light modulated for generating patten illumination, and a single pixel detector. We are successful to detect hyperspectrul images in a range from 1545 to 1555 nm at 0.01nm resolution.

Citation Download Citation

Yasuhiro Mizutani, Kyuki Shibuya, Hiroki Taguchi, Tetsuo Iwata, Yasuhiro Takaya, and Takeshi Yasui "Single-pixel imaging by Hadamard transform and its application for hyperspectral imaging", Proc. SPIE 10021, Optical Design and Testing VII, 100210B (31 October 2016); https://doi.org/10.1117/12.2246311

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available