Appeal No. 2000-2208
Application No. 08/874,287
BACKGROUND
Appellants’ invention is directed to an apparatus for
overlaying user-locatable cursor marks on an image in order to
accurately locate points of interest and provide a measurement of
the physical distance between them. A calibration processor
automatically calibrates the system using a known distance
between the two points identified by the cursors and compensates
for the unequal physical distance between pixels in vertical and
horizontal directions.
Representative independent claim 35 is reproduced below:
35. Apparatus for generating video signals composed of
a plurality of pixels representing a photographic image
previously recorded in a frame on a photographic film-type
medium, comprising:
an image pickup device for producing video signals in
response to a light image of said photographic image
projected thereto;
a storage device for storing a video frame interval of
said video signals;
a cursor generating device for selectively generating
at least two cursor indicia at two cursor positions on said
video frame;
a modifying device coupled to said storage device and
to said cursor generating device for modifying said video
signals in said video frame interval read from said storage
device such that pixels located at said cursor positions are
replaced with said at least two cursor indicia,
respectively, thereby generating a video image of said
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