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Topic: LAD Girl Lost Her Way
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Josh Jones
Redhat
Posts: 1207
From: Plano, TX
Registered: Apr 2000
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posted 09-06-2002 09:13 AM
LAD stands for Laboratory Aim Density. It is a sytem developed by John Pytlak to assure consitstency from lab to lab, print to print. Lad girl is an image of a woman in front of some control patches. These patches are compared to a calabration sheet at the lab to make sure the color timing, flesh tones, and processing are correct for the given film. It has helped greatly in improving laboratory consitancy over the years.Josh J ------------------ "Film is made of silver, video is made of rust" 'nuf said
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John Pytlak
Film God
Posts: 9987
From: Rochester, NY 14650-1922
Registered: Jan 2000
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posted 09-06-2002 01:05 PM
Here's information on the Laboratory Aim Density (LAD) Control System, which I developed in 1974. "LAD Girl" followed in 1982: http://www.kodak.com/US/en/motion/support/h61/ Before LAD, labs used a tedious and complex procedure to determine optimum "curve placement" and color balance. LAD greatly simplified the procedure and resulted in better quality and consistency. Kodak supplies the LAD Control film to laboratories. Some splice it into the leader of every feature, others just use it as an internal control tool. Photos of the Academy Technical Achievement Award are in the "Pictures" section of Film-Tech, under "John Pytlak's Academy Award". And here's a direct link to my acceptance speech with award presenter Renee Zellweger: QuickTime Video of LAD Academy Award ------------------ John P. Pytlak, Senior Technical Specialist Worldwide Technical Services, Entertainment Imaging Research Labs, Building 69, Room 7525A Rochester, New York, 14650-1922 USA Tel: +1 585 477 5325 Cell: +1 585 781 4036 Fax: +1 585 722 7243 e-mail: john.pytlak@kodak.com Web site: http://www.kodak.com/go/motion
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