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PhD Thesis Dissertation

Multimodal Analytics for Healthcare, PhD Thesis Dissertation by Carlos Torres. Electrical and Computer Engineering Department (ECE), University of California Santa Barbara (UCSB), Santa Barbara, CA 93106.  [pdf] [Slides][BibTex]

Committee:

  • Doctors Jeffrey C. Fried* (SBCH MICU) and Scott D. Hammond** (UCSF),
  • UCSB ECE Professors Joao P. Hespanha, Kenneth Rose, and B. S. Manjunath (Chair)

Defended November 20th, 2017; Submitted January 15th, 2018; Conferred January 2018.

* Santa Barbara Cottage Hospital Medical Intensive Care Unit
** University of California San Francisco

 

n_plus_one



 

Computer Vision

 

micu_action_detections

Intensive Care Unit Room (ICU) Activity Aspects: role, dominant/ICU objects, and dominant activity.

HEAL: Healthcare Event and Activity Logging. Carlos Torres, Jeffrey C. Fried, B. S. Manjunath. IEEE-EMBS Journal of Translational Engineering in Health and Medicine (JTEHM). Special Issue: advanced internet things personalized healthcare system validation analysis utilization. July 2018.

 

[PDF][BibTex][Dataset]

 

Sample ICU room Events Log

log_sample

Log of various events and their sanitation qualifiers.

 

 


micu_mview

The three views of the ICU bed. The sensor locations are selected to minimize sensor interference.

MASH: A Multiview Multimodal System for Monitoring Patient Sleep. Carlos Torres, Jeffrey C. Fried, Kenneth Rose, and B. S. Manjunath. In IEEE Transactions on Multimedia. Emerging Areas: Healthcare. May 2018.

 

[pdf]  [BibTex]  [Dataset Soon]

 

 

 

 

Sample Motion Summaries

micu_pose_history.png

Pose summarization in the mock-up ICU with 15-sec tick marks.

ricu_pose_history.png

Pose summarization in the medical ICU with 1-min tick marks.

 

 

 

 

 

 


 

micu_and_ricu_roles.png

Left: views of the mock-up (top) and medical (bottom) ICU; center: salient objects; right: inferred roles

RAM: Role Representation and Identification from Combined Appearance and Semantic Activity Maps. Carlos Torres, Archith J. Bency, Jeffrey C. Fried, and B. S. Manjunath. In Proceedings of the International Conference on Distributed Smart Cameras (ICDSC). Stanford, California. September 5-7, 2017.

 

[pdf] [BibTex] [slides]

 

 

Sample ICU Roles 

roles

Sample roles demonstrating their clothing texture and color (i.e., appearance)


Overview

DECU’s sleep pose temporal pattern summarization workflow.

Deep Eye-CU (DECU): Summarization of Patient Motion in the ICU. Carlos Torres, Kenneth Rose, Jeffrey C. Fried, and B. S. Manjunath. In Proceedings of European Conference on Computer Vision (ECCV). Workshop on Assistive Computer Vision and Robotics (ACVR).  Amsterdam, The Netherlands. October 8-16, 2016.

[pdf ] [BibTex] [ArXiv] [dataset] [slides]


rgbdp_pose_uni_multi_classifier_horizontal

Eye-CU’s multimodal multiview sensor trust estimation process and system workflow.

Eye-CU: Sleep Pose Classification for Healthcare using Multimodal Multiview Data. Carlos Torres, Victor Fragoso, Scott D. Hammond, Jeffrey C. Fried, and B. S. Manjunath. In IEEE Proceedings of the Winter Conference on Applications of Computer Vision (WACV). Lake Placid, New York. March 7-9, 2016.

[pdf] [BibTex ] [ArXiv] [dataset– Bisque] [slides] WACV2016 Pocket [Guide]


icvs

MESH: multimodal (RGB + Depth + Pressure) pose estimation representation and workflow.

MESH: Sleep Pose Recognition in an ICU From Multimodal Data and Environmental Feedback. Carlos Torres, Scott D. Hammond, Jeffrey C. Fried, and B. S. Manjunath. Computer Vision Systems: 10th International Conference (ICVS). Copenhagen, Denmark. July 6-9, 2015, Proceedings. Vol. 9163. Springer, 2015.

[pdf] [BibTex] [dataset] [slides]



BioChemistry

Silica pores and protein.

Silica as a Matrix for Encapsulating Proteins: Surface Effects on Protein Structure Assessed by Circular Dichroism Spectroscopy. Phillip J. Calabretta, Mitchell C. Chancellor, Carlos Torres, Gary R. Abel, Jr., Clayton Niehaus, Nathan J. Birtwhistle, Nada M. Khouderchah, Genet H. Zemede, and Daryl K.  Journal of functional biomaterials Vol.3. No. 3 . 514-527, 2012.

[pdf] [BibTex] — Open Access

 


FIGURE 1

Spectrometer plot showing ellipticity of encapsulated protein’s .

Protein Adsorption onto Organically Modified Silica Glass Leads to a Different Structure than Sol-Gel Encapsulation. B. Menaa, C. Torres, M. Herrero, V. Rives, A.R.W. Gilbert, and D.K. Eggers.  Biophysical journal. Vol.95. No. 8. L51-L53, 2008.

[pdf] [BibTex] — Open Access

 

 

 

 

 




POSTER SESSIONS

  • DECU (Deep Eye-CU): Summarization of Patient Motion in the ICU. Carlos Torres, Kenneth Rose, Jeffrey C. Fried, and B. S. Manjunath. European Conference on Computer Vision (ECCV) – Workshop on Assistive Computer Vision and Robotics. Amsterdam, The Netherlands. Oct 9, 2016. [poster]
  • Eye-CU: Sleep Pose Classification for Healthcare using Multimodal Multiview Data. Carlos Torres, Victor Fragoso, Scott. D. Hammond, Jeffrey.C. Fried, and B. S. Manjunath. IEEE WACV, Lake Placid, NY. March 7 2016. [poster]
  • Embedded 3-D Systems for Action Recognition. Isaac Flores, Carlos Torres, and B. S. Manjunath. University of California Santa Barbara, Summer Undergraduate Research Colloquium, Santa Barbara, CA. Aug 15, 2013.
  • Priming Effects on Visual Scene Search by Jared Bruhn, Carlos Torres, and B. S. Manjunath. University of California Santa Barbara, INSET Undergraduate Symposium, Santa Barbara, CA. Aug 11, 2011.
  • Use of CD Spectroscopy to Assess the Biocompatibility of Silica-Based Materials. Daryl K. Eggers, Gary R. Abel, Jr., Phillip J. Calabretta, Mitchell C. Chancellor, Carlos Torres. Society for Biomaterials Annual Meeting, 2010. Seattle, WA. Apr 21–24, 2010.
  • Effects of Surface Chemistry on the Structure of Apomyoglobin in a Confined Environment. Phillip J. Calabretta, Carlos Torres, and Daryl K. Eggers.USA-Mexico Workshop in Biological Chemistry, CINVESTAV Mexico D.F., Mex. Mar 25–27, 2009.
  • Autonomous Object Placement using Force and Torque Sensors. Carlos Torres, Cressel D. Anderson, A. Jain, and Charles C. Kemp. National Institutes of Health (NIH) Annual Biomedical Research Conf. for Minority Students (ABRCMS), Orlando, FL. Nov 5–8, 2008.
  • Adsorption of Cytochrome c and Apomyoglobin to Modified Silica Glasses. Carlos Torres and Daryl K. Eggers. American Chemical Society (ACS), Undergraduate Research Symposium, Santa Clara, CA. May 03, 2008.
  • Protein Adsorption and Conformation in Hydrophobic Nanoporous Silica-based Sol-Gel Glasses. A.R.W. Gilbert, Carlos Torres, Daryl K. Eggers, and B Menaa. CSU Biotechnology Symposium, Oakland, CA. Jan 11–12, 2008.
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