3D Mapping

This includes the photographic principles involved in photogrammetry, and measurement techniques for producing 3-dimensional coordinates from two-dimensional photographs. Data collection methods include the global positioning system (GPS) and LIDAR systems.

3D mapping & Photogrammetry

Essentials of Aerial Photography
Image Scanning
Photogrammetry process flow
Advantages of photogrammetry over conventional surveys

Geometry of Aerial Photographs

Coordinate systems and Projections
Types of Films, Aerial cameras
Geometry of aerial photographs
Scale
Flying Height
Displacement and Distortion

Photogrammetric Mapping planning

End Lap and Side Lap
Purpose of mapping
Photo Scale, Flying Height, Contour Interval
Ground Control Points
Flight Map

Stereoscopic Vision & Stereoscopes

Depth Perception and stereoscopic vision
Methods of Stereoscopic viewing
Lens and Mirror Stereoscopes

Aerotriangulation

Interior Orientation
Exterior Orientation
Classic Model Orientation
Direct Sensor Orientation

Stereo-compilation Procedures

DTM
Feature collection
Quality Control & Qualiy Assurance

Orthophotos and Aerial Mosaics

Input Requirements
Process flow
Factors Affecting Digital Orthophotograph quality
Orthophoto Mosaics
Quality Checks
Maps Vs Orthophotos
Uses of Orthophoto
Photographic Image Interpretation

Map Preparation

Introduction to Cartography
Thematic Maps
Cleaning Photogrammetry compiled data
Topology Creation

LIDAR Mapping

Components of a LIDAR System
Typical LIDAR Sensor Characteristics
ProcessingComparison between LIDAR and Photogrammetry
Advantages and Disadvantages Achievable Accuracies

Module Objective:

Upon completion of this course, the candidates will:

Be able to generate Digital Orthophotographs to be used as database for Urban Planning, Mapping, Municipal Corporation, Civil Constructions, and Defense etc.