Apparatus and Method for Assisted Target Designation
First Claim
Patent Images
1. A method for assisting a user to designate a target as viewed on a video image displayed on a video display by use of a user operated pointing device, the method comprising the steps of:
- (a) evaluating prior to target designation at least one tracking function indicative of a result which would be generated by designating a target at a current pointing direction of the pointing device; and
(b) providing to the user, prior to target designation, an indication indicative of said result.
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Abstract
A method for assisting a user to designate a target as viewed on a video image displayed on a video display by use of a user operated pointing device. The method includes the steps of evaluating prior to target designation one or more tracking function indicative of a result which would be generated by designating a target at a current pointing direction of the pointing device, and providing to the user, prior to target designation, an indication indicative of the result.
22 Citations
18 Claims
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1. A method for assisting a user to designate a target as viewed on a video image displayed on a video display by use of a user operated pointing device, the method comprising the steps of:
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(a) evaluating prior to target designation at least one tracking function indicative of a result which would be generated by designating a target at a current pointing direction of the pointing device; and (b) providing to the user, prior to target designation, an indication indicative of said result. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for assisting a user to designate a target as viewed on a video image displayed on a video display by use of a user operated pointing device, the method comprising the steps of:
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(a) for at least a region of the video image adjacent to a current pointing direction of the pointing device, evaluating a trackability function at a plurality of locations to derive suggested trackable image elements; (b) in response to a selection input, designating a current tracking image element within the video image corresponding to one of said suggested trackable image elements proximal to the current pointing position of said pointing device; and (c) tracking said current tracking image element in successive frames of the video image. - View Dependent Claims (9, 10)
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11. A method for assisting a user to designate a target as viewed on a video image displayed on a video display by use of a user input device, the method comprising the steps of:
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(a) for at least one region of the video image, evaluating a trackability function at a plurality of locations to derive suggested trackable image elements within said region; (b) if at least one suggested trackable image element has been derived, indicating a position of said at least one suggested trackable image element in the video display; (c) receiving an input via a user input control to select one of said suggested trackable image elements, thereby designating a current tracking image element. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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Specification