PHOTO ENHANCEMENT BY FILM SANDWICHES

AN INEXPENSIVE AND SIMPLE STEP-BY-STEP PROCEDURE CAN BE USED FOR THE ENHANCEMENT OF PHOTOGRAPHS. HIGH CONTRAST NEGATIVE AND POSITIVE TRANSPARENCIES FORMED BY CONTACT PRINTING ARE SUPERIMPOSED TO CREATE A SANDWICH IS THEN SLIGHTLY OFFSET. CONTACT PRINTING THE SANDWICH ON REGULAR PHOTOGRAPHIC PAPER PRODUCES THE ENHANCED PRINT. A BAS-RELIEF EFFECT AND THE ENHANCEMENT OF LINEAR FEATURES RESULTS FROM THE SLIGHT OFF-SETTING OF THE FILMS. ENHANCED PHOTOGRAPHS OF TERRESTRIAL LAVA FLOWS AND LUNAR MARIA ARE INCLUDED AS EXAMPLES. THE TECHNIQUE IS HIGHLY FLEXIBLE AND MANY USEFUL VARIATIONS ARE POSSIBLE. /PE/

• Supplemental Notes:
  • Vol 36, No 5, PP 468-474, 7 FIG
• Authors:
  • Weller, R N
• Publication Date: 1970-5

Media Info

• Serial:
  • Photogrammetric Engineering

Subject/Index Terms

• TRT Terms: Photographs; Photography; Stereographic projection; Superposition (Geology)
• Old TRIS Terms: Contact; Photographic methods; Superposition
• Subject Areas: Design; Highways;

Filing Info

• Accession Number: 00202852
• Record Type: Publication
• Files: TRIS
• Created Date: Jul 21 1970 12:00AM