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Show 21 Hartline which the [23], author directly are 1 Representation The close of relationship between interpretation to the question of how a of this information by the the system, therefore a very from spatial variations in light intensity. is image In important. type of information is subjective, [24] that showed image illuminated by the photography, The light intensity io is written k is a constant, and d(x,y) question of particular type a obtained interpretation and therefore difficult to leads system the usual information process. or this of Stockham reflected) of the represented by (2.1) I(x,y)=io*exp( -k*d(x,y) ) where as physical This in nature. light intensity I(x,y) (transmitted uniform an such the by human vision choice of representation is a images, the information carried physical image is represented of rest computer-generated images and the the of problems and phenomena some critical part of the system. a image influences to present here related to the field optical illusion, which is II. attempts is related to the Also, (2.2) density. be can as (2.2) In( I(x,y)/io )=-k*d(x,y} The notion of proportional represent at ion density the to of an is well known in density, image a it is density reasonable energy, reflected or to representation Another type of information carried by and photography, a physical transmitted respectively in tlie case of call as any logarithmic 1972). (Stockham image a is is d(x,y) the positive image light or a |