04/19/23 1

USGS/OSU PROGRESS WITH DIGITAL CAMERA IN SITU CALIBRATION METHODS

DEAN C. MERCHANT

The Ohio State University

December 4, 2003

04/19/23 2

Introduction

In situ Calibration Justification Measurement System

Calibration [Eisenhart] USGS/OSU Progress

Software development Flight testing

04/19/23 3

RESECTED EXPOSURE STATION COORDINATES COMPARED TO GPS

RESULTS

04/19/23 4

Partenavia Light Twin with Open-Port

04/19/23 5

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

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

X Y Z X Y Z

ME

TER

S

IN SITU LABRMSE BIAS

04/19/23 6

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

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

X Y Z X Y Z

ME

TER

S

IN SITU LABRMSE BIAS

04/19/23 7

Window-Ported NOAA Cessna Citation Undergoing Spatial Offset Measurements

04/19/23 8

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

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

ME

TE

RS

IN SITU LAB RMSE

X Y Z

BIAS

X Y Z

04/19/23 9

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

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

X Y Z X Y Z

METERS

IN SITU LABRMSE BIAS

04/19/23 10

MEASUREMENT SYSTEM CALIBRATION(Eisenhart, 1962)

Prepare Measurement System Specifications

Establish State of Statistical Control

04/19/23 11

MADISON TEST AND CALIBRATION RANGE

04/19/23 12

MADISON HIGH DENSITY RANGE

04/19/23 13

USGS/OSU DEVELOPMENTS

Software Development

Flight Testing

Future Directions

04/19/23 14

CONCLUSION

Discussion?