Compressive Sensing

http://inviewcorp.com/applications/compressive-sensing/#.VzIcTLx-yrU


The image being captured passes through a spatial-light modulator which allows the camera to measure the total light energy in half of the image. This measurement step is repeated a number of times, and the series of measurements is used by the camera to reconstruct the image.

http://spie.org/x90372.xml


Material Inspection

Use an InView SWIR imager where composition discrimination and high resolution are of interest. Make measurements of areal concentration, morphology, porosity, and grain sizes.

Silicon crystal defects, saw and polish defects, poor lead contacts, and thin film PV processing variation can be seen through Electroluminescence and Photoluminescence (EL & PL) imaging techniques. The emission peaks of  PV cells  are typically centered in the SWIR making  a SWIR imager the optimal choice.  Specifically within PV analysis and testing, engineers check powders/mixtures for composition, contamination, and moisture content.

Art and Documentation: Examination & Forgery Detection
Using SWIR camera, researchers can identify alterations, erased markings or overwriting of restorations on certain inks, removals by abrasion or bleaching and other forgery methods. Though intentionally unseen in the visible many changes are apparent in the SWIR due to the unique hyperspectral behavior of materials.


1. M. A. Herman, et al., “Recent results in single-pixel compressive imaging using selective measurement strategies,” Proc. SPIE v. 9484, 9494-09 (2015). 
2. J. Tidman et al.,"Compact opto-electronic engine for high-speed compressive sensing ", Proc. SPIE 8856, Applications of Digital Image Processing XXXVI, 885616 (September 26, 2013). 
3. M. A. Herman, et al., "A higher-speed compressive sensing camera through multi-diode design ",Proc. SPIE 8717, Compressive Sensing II, 871706 (May 31, 2013). 
4. M. Herman, "Compressive Sensing with Partial-Complete, Multiscale Hadamard Waveforms," in Imaging and Applied Optics, OSA Technical Digest (online) (Optical Society of America, 2013), paper CM4C.3. http://www.opticsinfobase.org/abstract.cfm?URI=COSI-2013-CM4C.3 
5. L. McMackin, et al., "Low-cost, High-resolution Shortwave Infrared Microscope Camera Based on Compressive Sensing," in Optics in the Life Sciences, OSA Technical Digest (online) (Optical Society of America, 2013), paper NTh2B.4. 
6. L. McMackin, et al.,"A high-resolution SWIR camera via compressed sensing", Proc. SPIE 8353, Infrared Technology and Applications XXXVIII, 835303 (May 1, 2012). 
7. C. Li, et al., "A Compressive Sensing and Unmixing Scheme for Hyperspectral Data Processing," Image Processing, IEEE Transactions on , vol.21, no.3, pp.1200, 2012. 
8. T. A. Russell , et al.,"Compressive hyperspectral sensor for LWIR gas detection ", Proc. SPIE 8365, Compressive Sensing, 83650C (June 8, 2012). 
9. Baraniuk, Richard G. "Compressive sensing." IEEE signal processing magazine 24.4 (2007). 10. Baraniuk, Richard G. "Single-pixel imaging via compressive sampling." IEEE Signal Processing Magazine (2008).
 

Ideas for Tango Project and Materiality Studio

Conversation today at iStage regarding the Tango Project.

  • I will be responsible for the small electronics space off the iStage,  now known as the Materiality Studio.
  • I will create a list of things I need for the Materiality Studio.
  • I will talk with Pete about creating a wall-sized white board on the North wall of the fish bowl.
  • We could potentially each write up our summer projects on the white wall and work with it real-time to facilitate communications.
  • I will get in touch with Jessica Raijko (sp?) re the Tango Project experiments.  Let's have tea!

My goals for the summer include:

1.  Publish original research work on entrainment based on Tango Project results.

2.  Collect a suite of sensor solutions for a variety of applications.

3.  Identify and put together information for relevant grant proposals.

4.  Continue to pull together knowledge/information about novel materials, including graphene.

5.  Determine what would be required to do 3D printing of novel materials.