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US 5,857,120 AGranted
Eye axis detector and camera with eye axis detector
AssigneeCanon Kabushiki Kaisha
InventorKazuki Konishi
Life of this patent
Estimating the term…
Abstract
An eye axis detector for detecting to which position the eye axis of a user is directed in a picture, comprising means for dividing and specifying the picture into a plurality of pictures, and means for extracting the watching point of the user using a plurality of types of eye axis information concerning the eye axis in each area within such divided picture.
Claims20
An apparatus for determining a watching point comprising:
- means for sequentially forming a plurality of data each of which corresponds to a direction of a visual axis;
- and
- means for evaluating said plurality of sequentially formed data with each of a plurality of kinds of functions and determining said watching point based on a result of evaluating the Plurality of sequentially formed data with each of the plurality of kinds of functions.
A camera having an apparatus for determining a watching point comprising:
- means for sequentially forming a plurality of data each of which corresponds to a direction of a visual axis;
- and
- means for evaluating said plurality of sequentially formed data with each of a plurality of kinds of functions and determining said watching point based on a result of evaluating the plurality of sequentially formed data with each of the plurality of kinds of functions.
Dependencies are inferred from the claim text.