PORTABLE APPARATUS FOR MEASURING SURFACE IRREGULARITIES IN PANEL PRODUCTS.

Abstract

Portable apparatus developed at the Forest Products Laboratory makes possible approximate measurement of vertical deformations on wood surfaces. Fixed-focus camera unit provides photographs of surface under study, using a shadow-casting technique. (Author)

Document Details

• Document Type: Technical Report
• Publication Date: May 01, 1968
• Accession Number: AD0672039

Entities

People

• F. V. Hefty
• J. K. Brooks

Organizations

• Forest Products Laboratory

Tags

DTIC Thesaurus Topics

• Cameras
• Measurement
• Optical Equipment
• Photographic Equipment
• Photographic Materials
• Photographs
• Photography

Readers

• Aerospace Test and Evaluation
• Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.
• Image Processing and Computer Vision.