The document discusses 3D laser scanning, including its process, applications, benefits, and drawbacks. 3D laser scanning uses a laser beam to create a point cloud representation of an object's geometric surface by recording distance values within the scanner's field of view. The laser scanner consists of a laser system and camera that passes a laser line over an object's surface to capture 3D data points, allowing accurate models to be created digitally without touching the physical object. Applications include entertainment, 3D photography, and law enforcement. Benefits are saving time on complex modeling and accurate surface representation, while drawbacks include large file sizes and requiring post-processing and high-end technology.

1. Presentation
On
3D Laser Scanning Presented By:
Pratiksha Sharma
B.C.A. 2nd
Year

2. Content:-
 Introduction
 What is Laser Scanning ?
 3D Laser Scanning Process
 Applications of 3d laser scanner
 What are the Benefits?
 What are the Drawbacks?

3. Introduction
 3D Laser scanning is a modern technique used to accurately represent physical
objects into the virtual world.
 Required Tools
 HD Laser (Picza 3D Laser Scanner)
 Image Processing Technology (Dr. Picza3)
 CAD Software (Solid Works)

4. What is Laser Scanning ?
 Creation of point cloud system representing a geometric surface with a laser
beam.
 Records distance values to the surface within the scanners field of view.
 The object is then recreated in a “reconstruction” software package.

5. 3D Laser Scanning

6. 3D Laser Scanning Process
The Laser Scanner instrument consists of two parts, the Laser System and the
Camera installed on top or inside the Scanner. During Laser Scanning, a laser line
is passed over the surface of an object in order to record three -dimensional
information. The surface data is captured by a camera sensor mounted in the Laser
Scanner which records accurate dense 3D points in space, allowing for very
accurate data without ever touching the object.

7. 3D laser scanning process

8. Data Conversion
 After 3D scanning process data is save “STL” file
format .
 S=standard
 T=tessellated
 L=langauge

9. APPLICATIONS OF 3D LASER
SCANNER
 Entertainment
3D scanners are used by the entertainment industry to create digital 3D models for
movies, video games.
 3D photography
use of cameras to represent 3D objects in an accurate manner .
 Law enforcement
used by the law enforcement agencies around the world.

10. What are the Benefits?
 Save time modeling complex components.
 Accurate representation of surfaces impossible to achieve with current solid
modeling technology.
• Allows for better analysis in CAE (computer aided engineering) platforms.
• Low overall risk.

11. What are the Drawbacks?
 High resolution scans mean large files.
 Usually post processing required.
 Requires high end technology .