APPLICATION OF COLOR TO IMAGE ENHANCEMENT

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78B04747A000100070032-9
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 3
• Document Creation Date: December 28, 2016
• Document Release Date: July 21, 2000
• Sequence Number: 32
• Content Type: REPORT

, Declass Review, NIMA/DoD
..-
Approved For Release 2001/07, .CIA-RDP78B04747A00010007003Z~'
25X1A
I~FPIdCA'rI01y OF n in enharn:~eme~a is the production of a rAew image which
~~etter displays the infurrnat~or: on the original photo,raph; this obJect:ve ;s
not always synonymous with the faithful reproduct=or, of the original score
which was phatographE~d. Thus, a deiibexate
sense, r~theY than the geomefiric shape
si~nse?# . 'af the
acteristic between original scene and the u1t:R?at~~
order to accomplish enhancement.
in the iniensty
~ "
n-rer~11 trattgfr-r Rh.er-
c:.'spiay, is introciuce,s ;r.
.~Xt~ very. intrr;ulrq method of output d#aplay involves the use of color I
far prt~~en~ting ltih~arr~exl i'me~@. Thi9' mny tae accomlciYslied eV~i though
~~:~ t k;.
~~~~~ ~, ?~;s
.~ ~ .a:
 Approved For Release 2001/071: CIA-RD~'78B04747A000100070032
.~~ppUcation to? Golor to Im4...ie Enhancement---cor.tir.ued
no color :r:fo.r..at~ ~n is r~resent at the .np~ut, '.e. the :rE.ut photo*araph :s t,eack
and white. The c~-?l~,rs used in the Hotpot display do ret necessarily represent
the colors contained in the o.-i^inal scene; the;' are irtroduced to a synthet:c
manner, for the purpose of ?ender:n , more perceptible the ori~~'nal informat.~;?~.
In this sense, the process peeks to r_xiloit the color perceptiveness of the
obs~:rver as a betty: means for "tour lir. r" the ir.formaY_c s, ~-?urce (the c~ri ~n.:~i
photogr?~~rh) to the output device {the human observer? .
25X1A ~r;urc 1 scows a me.~i:s fog act~iev:n- this object_ve. At thk~ ]eft, ?c.rt.~ns
of the lma~re Enhancement Instrument are shown: an :nt t;t ?rar.s-
parancy is converted to a number c.f n fferent electrical si gals. These are ror.~-
tined in the Colgr Trar~sfarn~ation F.1 ct:onics Units into three con ponFnt s! ?na
which create, through the r.=rodulatorl lights source and scanner-camera-proce ssor
chain three ima?es, all black and white, but differing one from the ether, which
are projected simultaneously by the trl-color. projector.
The criteria-for the generation ofd:he R, G, and B signals in the color
transformation electronics, as well as the leRtings of the individual intensit.es
t
of the three colors in the-display projector, Ct#n be established by a program of
~, ; ~
~aSibz~ t!'tt1~t~1et~ Fro~esb?ts,depicted in
~
r
~?~~~14" ~ $howri ~(
 Approved For Release 2001/071!': CIA-RDP-78B04747A000100070032,~
1,~pii,~s~tior i~ C~~:or to Irna~.~c enhancement-----continued
*.%C~1ni 1N ~whltr~), 'j'}ig pUtp~.~t di5F-lay C(:)lOC3 rf,a;l' !')c` r'. ?3U~{?il tC: j..:Gyl'E.:S alCr.':
this i~:~cus in arci.r~3ance w`tt~~ the t~rr~illtude cif the playtnsE~~and