Chapter 6 Photogrammetry. n Perspective (central) projection: aerial photographs vs. maps n...

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Transcript of Chapter 6 Photogrammetry. n Perspective (central) projection: aerial photographs vs. maps n...

Chapter 6 PhotogrammetryChapter 6 Photogrammetry

Perspective (central) projection: aerial photographs vs. maps

Co-linearity equation Photogrammetric orientation Digital photogrammetry Photo-interpretation

IntroductionIntroduction

Photo-interpretationPhoto-interpretation

Basic: tone/color 2nd order (geometric arrangements

of tone/color): size, shape 2nd order (spatial arrangements of

tone/color): texture, pattern 3rd order (positional elements):

site, association 3rd order: height, shadow

Elements of Image Interpretation Primary Elements

Black and White Tone Color Stereoscopic Parallax

Spatial Arrangement  of Tone and ColorSize Shape Texture Pattern

Based on Analysis of Primary Elements Height Shadow

Contextual Elements Site Association

Dot grid method Grid square method

Transect method Polygon method

Area measurementArea measurement

ReferencesReferences

Jensen, J.R. , 2000, Remote Sensing of the Environment: An Earth Resource Perspective, Upper Saddle River, NJ: Prentice Hall, 544 pages. [Ch 5 pages119-135]

Avery T. E. and G. L Berlin, 1992,  Fundamentals of remote Sensing and Airphoto Interpretation, Fifth Edition, New York, Macmillan Publishing Company, 472 p. [pages 51-67]

Paine, D. E, 1981, Aerial Photography and Image Interpretation for Resource Management, New York, John Wiley and Sons, 571 p.

Mikail “Modern Photogrammetry”

Wolf “Photogrammetry”

QuestionsQuestions

1. Discuss tilt and relief displacements based on collearity equations.

2. How do you think future developments in remote sensing and photogrammetry will affect each other and their integration with GIS?