Author Archives: jkh6

Unsupervised Learning with Stein’s Unbiased Risk Estimator

C. A. Metzler, A. Mousavi, R. Heckel, and R. G. Baraniuk, “Unsupervised Learning with Stein’s Unbiased Risk Estimator,” https://arxiv.org/abs/1805.10531, June 2018. Learning from unlabeled and noisy data is one of the grand challenges of machine learning. As such, it has seen a … Continue reading

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Rice Team Developing Flat Microscope for the Brain

Appearing today on NSF’s Science360 News:  Taking a closer look with a lens-free fluorescent microscope Rice University engineers are building a flat microscope, called FlatScope (TM), and developing software that can decode and trigger neurons on the surface of the brain. … Continue reading

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1 Million Views of Open Education TED Talk

The 2006 TED talk explaining the vision behind the open-source, online education system Connexions (now called OpenStax) surpassed 1 million views on the TED Talks website. We’ve come a long way from the genesis of Connexions in 1999!

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OpenStax Market Share Jumps 50% from 2016

OpenStax’s market share in the college textbook market continues to grow rapidly. According to the latest Babson Survey Research Group Report on Open Educational Resources (OER), 16.5% of faculty who recently chose a new textbook for a large-enrollment introductory-level course adopted a … Continue reading

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Single-Frame 3D Fluorescence Microscopy with Ultraminiature Lensless FlatScope

J. K. Adams, V. Boominathan, B. W. Avants, D. G. Vercosa, F. Ye, R. G. Baraniuk, J. T. Robinson, A. Veeraraghavan, “Single-Frame 3D Fluorescence Microscopy with Ultraminiature Lensless FlatScope,” Science Advances, Vol. 3, No. 12, 8 December 2017. Abstract: Modern biology increasingly relies on fluorescence microscopy, which is … Continue reading

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Evidence of OpenStax’ Disruptive Impact on Textbook Prices

Mark Perry of the American Enterprise Institute posits that the long-term trend of rapidly increasing textbook prices might have finally been disrupted by market competition, partly by new textbook alternatives like OpenStax. His bottom line: “I think we can expect continued … Continue reading

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Siemens Licenses Rice Compressive Sensing Tech to Enhance MRI Scans

Patients who have to undergo a magnetic resonance imaging (MRI) scan may be spared the ordeal of having to lie still in the scanner for up to 45 minutes, thanks to new compressive sensing technology developed in the groups of Rice ECE faculty Richard … Continue reading

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OpenStax Tutor Beta Launch

Rice University-based nonprofit OpenStax, which is already changing the economics of higher education by providing free textbooks to more than 1 million college students per year, today launched a low-cost, personalized learning system called OpenStax Tutor Beta that analyzes how students … Continue reading

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Open Postdoc Positions @ Rice

I am actively recruiting to fill open postdoc positions for research in machine learning theory and methods, computational sensing/imaging, and sparse signal processing.  The Rice DSP and Machine Learning groups offer an energizing environment for research; 25 recent postdocs and … Continue reading

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American Academy of Arts and Sciences

Rice University professor and engineer Richard Baraniuk has been elected to the American Academy of Arts and Sciences. He is one of 228 new members announced today by the academy, which honors some of the world’s most accomplished scholars, scientists, … Continue reading

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