Biological imaging with high dynamic range using compressive imaging technique

Mehrdad Abolbashari; Gelareh Babaie; Filipe Magalhães; Miguel V. Correia; Francisco M. Araújo; Awad S. Gerges; Faramarz Farahi

doi:10.1117/12.907365

9 February 2012 Biological imaging with high dynamic range using compressive imaging technique

Mehrdad Abolbashari, Gelareh Babaie, Filipe Magalhães, Miguel V. Correia, Francisco M. Araújo, Awad S. Gerges, Faramarz Farahi

Author Affiliations +

Proceedings Volume 8225, Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues X; 82251X (2012) https://doi.org/10.1117/12.907365
Event: SPIE BiOS, 2012, San Francisco, California, United States

Abstract

Scenes in real world have dynamic range of radiation that cannot be captured by conventional cameras. High dynamic range imaging is a technique to capture detail images where, in the field of image, intensity variation is extreme. This technique is very useful for biological imaging where the samples have very bright and very dark regions and both parts have useful information. In this article we propose a novel high dynamic range imaging technique based on compressive imaging that uses one single detector instead of camera (array of detectors) to capture an image. Combination of high dynamic range imaging and compressive imaging benefits from imaging with high dynamic range of radiation and advantages of compressive sampling; namely, imaging at regions of optical spectrum where conventional cameras are not readily available and single detectors are available. Additionally, as its name suggests, this technique requires less number of samples (compared to raster scanning). Our experimental results show that high dynamic range compressive imaging system is capable of capturing images with large intensity contrast.

Citation Download Citation

Mehrdad Abolbashari, Gelareh Babaie, Filipe Magalhães, Miguel V. Correia, Francisco M. Araújo, Awad S. Gerges, and Faramarz Farahi "Biological imaging with high dynamic range using compressive imaging technique", Proc. SPIE 8225, Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues X, 82251X (9 February 2012); https://doi.org/10.1117/12.907365

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