Author Archives: Cherie Darnel

How Imagery Can Be Used to Assess Fire Damage: The High Park Fire

The High Park Fire, just west of Fort Collins, Colorado, was sparked by lightening on Saturday, June 9th. At the time of this writing, the fire had burned over 58,000 acres and due to dry, hot weather, high wind conditions, … Continue reading

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2012 ENVI User Group: Public Data, Remote Sensing, & Invasive Plant Species

At the 2012 ENVI User Group, Jim Alford, California Department of Fish and Game, presented “Conversion of a Heads Up Digitizer”.  This presentation focused on the use of public domain remotely sensed data to predict Taeniatherum caput-medusae (medusahead) infestations, and … Continue reading

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2012 ENVI User Group: COSI-Corr User Presentations

At the 2012 ENVI User Group, Sebastien Leprince, California Institute of Technology, will be presenting “COSI-Corr: Principles of Sub-Pixel Correlation” and Francois Ayoub, California Institute of Technology, will be presenting “COSI-Corr: Application of Sub-pixel Correlation for Change Detection”. An orthorectified … Continue reading

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Extracting Building Features from LiDAR and Optical Data

As the availability of remotely acquired data continues to grow, high quality imagery is more accessible and less expensive than it was in previous decades. As a result, the need to incorporate remotely sensed imagery into GIS-based analyses continues to … Continue reading

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Monitoring Changes on the Earth’s Surface

Happy New Year! While sitting in the New York subway over the holiday waiting for my Queens-bound train to come in, I was reading an article about climate change and new ways to monitor changes on the Earth’s surface.  The … Continue reading

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ASPRS Pecora 18 Symposium

I just returned from the ASPRS Pecora 18 Symposium, held in Herndon, VA. What a great show! There were approximately 500 attendees, many of whom are using satellite imagery, aerial imagery, or LiDAR data and are looking for new ways … Continue reading

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