advisor professor neal anderson michael baccari peter bian michael coughlin avi noy
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Irregular Object Dimensioning System

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Advisor: Professor Neal Anderson Michael Baccari Peter Bian Michael Coughlin Avi Noy. Irregular Object Dimensioning System. Agenda. Background MDR Specification Progress Report Challenges Future Plans Summary. Background. Sorting facilities’ conveyer belts.

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advisor professor neal anderson michael baccari peter bian michael coughlin avi noy
Advisor: Professor Neal Anderson

Michael Baccari

Peter Bian

Michael Coughlin

Avi Noy

Irregular Object Dimensioning System
agenda
Agenda
  • Background
  • MDR Specification
  • Progress Report
  • Challenges
  • Future Plans
  • Summary
background
Background
  • Sorting facilities’ conveyer belts.
  • Components of sort system: Photo eye, laser measuring heads, set of 6 line-scan cameras.
background cont d
Background (Cont’d)
  • Irregularly shaped objects
  • Current issues with the dimensioning component.
  • “The irregular approval.”
background cont d1
Background (Cont’d)
  • Dimensions used for storage area on cargo planes
  • Minimize cuboidal volume of irregularly shaped objects
    • Increases profits
    • Save cargo space
  • “Irregular Approval”
    • Guideline test for major shipping companies
      • Half inch margin error
      • “Sputnik” test
mdr specification
MDR Specification
  • Software Progress
    • Demo of algorithms for dimensional reconstruction from simulated laser data input
    • Demo of image processing algorithm with basic edge detection from camera
  • Working Hardware Components
    • Conveyor Belt
    • 2 laser measuring heads (LMS 200)
    • 2 Cameras
    • LED Light Sources
    • Photo Eye
  • Research
    • Multiplexing
    • Image Processing
    • Depth Maps
  • Quantifiable Requirement Specifications
    • Irregular Approval
    • Proposed System Improvement
progress report cont d
Progress Report (Cont’d)
  • Hardware Components
    • LMS – Laser Measuring Heads
    • One 2-D camera
    • Two LEDs
    • Photoeye
    • Conveyor belt
progress report cont d2
Progress Report (Cont’d)
  • LMS Initialization
progress report cont d6
Progress Report (Cont’d)
  • Photoeye (Cont’d)
    • IR Led transmitter – Hamamatsu part #L2690-02
      • Forward current IF = 50mA
      • R = VCC/IF = 5/50mA = 100Ω
    • Digital output photo IC – Hamamatsu part #L6289
      • Photodiode
      • Schmitt trigger circuit
      • Output resistor
    • RL = 1.2kΩ
    • Ccoupling = 0.01uF
progress report cont d7
Progress Report (Cont’d)
  • Photoeye – Results
progress report cont d8
Progress Report (Cont’d)
  • Conveyer belt demo video
progress report cont d9
Progress Report (Cont’d)
  • Image processing algorithm
    • SUSAN (Smallest Univalue Segment assimilating Nucleus) Principle
progress report cont d10
Progress Report (Cont’d)
  • Image processing algorithm demo
progress report cont d11
Progress Report (Cont’d)
  • Laser edge detection and dimensional algorithm
challenges
Challenges
  • Blind spots
challenges cont d
Challenges (Cont’d)
  • Current algorithm
    • 2 dimensional axis
  • No algorithm for 3 dimensional axis
  • All edges and protrusions mapped out for irregular object
  • Multiplexing cameras with LMS heads
future plans
Future Plans
  • Creation of 3 dimensional axis algorithm
  • Implementation
    • Multiplexing of two sets of data
    • Execution of new dimensioning algorithm
  • Possible improvement of edge detection for LMS and cameras
  • Construction of redesigned control box
summary
Summary
  • MDR Specification
  • Improve accuracy of dimensioning of irregularly shaped objects
  • “Irregular Approval”
    • Half inch margin of error
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