Calculating Probability of Detection in Search and Rescue
I wrote a couple of weeks ago about how to calculate a probability density distribution for a missing person search. This was the first element of the optimal search problem. The second element is to be able to calculate the probability of detection. There have been numerous articles and methodologies proposed in the past. Most [...]
February 9, 2010
· 
Robert Bradley · 
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Tags: Area Effectively Swept, GPS Track, Koopman's Exponential Detection Function, Optimal Search Problem, POD, Probability Density, Probability Density Distribution, Probability of Detection, Search Coverage, Sweep Width, Track Length · Posted in: Search Thoughts
Probability of Detection (POD)
Probability of Detection refers to the likelihood of a search resource finding the object they are searching for if it was in the area they were searching. Thanks to Koester, Cooper, Frost and Robe’s 2004 study we can now safely say that it is impossible to subjectively estimate POD. No more should we hear supposed Search Managers [...]
January 8, 2010
· Robert Bradley · No Comments
Tags: Bob Koester, D Cooper, Jack Frost, Koopman's Exponential Detection Function, POD, Probability of Detection, R Robe, Sweep Width · Posted in: SAR Dictionary
The Use of Mountain Bikes for Search and Rescue
On Friday I posted a news item on the First National Search and Rescue Mountain Bike Instructor Scheme being run by Black Badge. This sparked a debate; on whether it actually was the first but also on the use of mountain bikes for lowland search and rescue. A number of ALSAR Units now run mountain bike [...]
November 15, 2009
· Robert Bradley · 12 Comments
Tags: ALSAR, Bike Search Team, Charnes-Cooper Algorithm, Lowland Search and Rescue, Mountain Bikes, Mounted SAR, National Search and Rescue Mountain Bike Instructor Scheme, POA, POD, POS, Probabililty of Success, Probability of Area, Probability of Detection, Probable Success Rate, PSR, Robert Koester, Route and Path Search, Search Effort, Search Theory, Sweep Width, Sweep Width Experiments, Track Length, Wilsar · Posted in: Search Research, Search Thoughts
Training in Visual Search for SAR
I recently started to read Mark Gleason’s paper – THE SEARCH FOR HUMAN REMAINS IN THE SEARCH AND RESCUE ENVIRONMENT. I’d downloaded it a while back and skimmed it, but hadn’t sat and thought about it much. I got as far as the first page before I got very distracted by something he wrote about “search [...]
November 4, 2009
· Robert Bradley · No Comments
Tags: Global-focal Model, Lowland Search, SAR, Search Images, Search Techniques, Search Training, Sweep Width, Tracking, Visual Search · Posted in: Search Research, Search Thoughts, Search Training
