We use Optical Character Recognition (OCR) during our scanning and processing workflow to make the content of each page searchable. You can view the automatically generated text below as well as copy and paste individual pieces of text to quote in your own work.
Text recognition is never 100% accurate. Many parts of the scanned page may not be reflected in the OCR text output, including: images, page layout, certain fonts or handwriting.
(3) Chroma - which is the degree of color saturation and is designated by numbers running from two to twelve and higher, written thus /2 /4 /6 etc. A fairly bright red would be described as R 4/12 The Munsell values may be related quite closely to the KETMA logarithmic gray scale and this relationship is shown in the attached chart. Of particular interest to the TV designer are the Munsell equal value charts which show various hues and chromas of the same value or reflectance. At one glance, the designer would know that none of the colors of any single chart could be combined in a setting where separation of tonal areas was required. If one of these equal value charts is placed before a TV camera all chips appear as the same shade of gray. CONCLUSIONS At a cost represented by the total cost of one reflectometer, one Munsell Library Edition and the new KETMA. gray scale test pattern any TV station could be in a position to calibrate paints, fabrics and other materials without turning on a camera. Materials, particularly draperies could be measured before they were purchased, and set construction or props provided by outside commercial agencies could be checked before camera day. Paper and paste-up materials used by graphic arts groups could be pre-checked for tonal separation. It should be remembered that such calibrations will only be accurate for flat-lighting in the studio. Spotlight techniques may cause the contrast range in the studio to become greater or less than the calibration results would indicate.