usgs/osu progress with digital camera in situ calibration methods

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USGS/OSU PROGRESS WITH DIGITAL CAMERA IN SITU CALIBRATION METHODS

DEAN C. MERCHANT

The Ohio State University

December 4, 2003

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Introduction

In situ Calibration Justification Measurement System

Calibration [Eisenhart] USGS/OSU Progress

Software development Flight testing

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RESECTED EXPOSURE STATION COORDINATES COMPARED TO GPS

RESULTS

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Partenavia Light Twin with Open-Port

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Single Photo Resection Comparisons for an Open-Port, Twin Engine Aircraft [LMK 15/23 Camera at 1260 Meters AGL for Seven Photos

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IN SITU LABRMSE BIAS

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Single Photo Resection Comparisons for an Open-Port, Twin Engine Aircraft [LMK 15/23 Camera] at 3070 Meters AGL for Nine Photos

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Window-Ported NOAA Cessna Citation Undergoing Spatial Offset Measurements

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Single Photo Resection Comparisons for a Windowed-Port, Un-Pressurized, Multi-Engine Aircraft [Wild RC30 15/23 Camera] at 1316 Meters AGL for Twelve Photos

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IN SITU LAB RMSE

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BIAS

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Single Photo Resction Comparisons for a Windowed-Port, Pressurized, Multi-Engine Aircraft [Wild RC30 15/23 Camera] at 5817 Meters AGL for Five Photos

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METERS

IN SITU LABRMSE BIAS

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MEASUREMENT SYSTEM CALIBRATION(Eisenhart, 1962)

Prepare Measurement System Specifications

Establish State of Statistical Control

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MADISON TEST AND CALIBRATION RANGE

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MADISON HIGH DENSITY RANGE

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USGS/OSU DEVELOPMENTS

Software Development

Flight Testing

Future Directions

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CONCLUSION

Discussion?