Tracking apparatus for use in tracking an object
First Claim
1. Tracking apparatus for use in tracking an object, which tracking apparatus comprises identification means which is for being attached to the object and which comprises at least two colours and a boundary therebetween;
- filter means for filtering out colours except those colours on the identification means; and
detector means which includes a chromatic edge filter and which is for detecting the boundary on the identification means and thereby enabling the detected colours on the identification means to be identified from background colours that may be the same as those on the identification means.
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Accused Products
Abstract
Tracking apparatus for use in tracking an object (4), which tracking apparatus comprises identification tag (2) which is for being attached to the object (4) and which comprises at least two colors (6,8) and a boundary (12) therebetween; a filter for filtering out colors except those colors on the identification tag (2); and a detector for detecting the boundary (12) on the identification tag (2) and thereby enabling the detected colors on the identification tag (2) to be identified from background colors (10) that may be the same as those on the identification tag (2).
13 Citations
8 Claims
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1. Tracking apparatus for use in tracking an object, which tracking apparatus comprises identification means which is for being attached to the object and which comprises at least two colours and a boundary therebetween;
- filter means for filtering out colours except those colours on the identification means; and
detector means which includes a chromatic edge filter and which is for detecting the boundary on the identification means and thereby enabling the detected colours on the identification means to be identified from background colours that may be the same as those on the identification means. - View Dependent Claims (2, 3, 4, 5, 6, 7)
- filter means for filtering out colours except those colours on the identification means; and
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8. Filming apparatus comprising a recording camera, display means for displaying a recording made by the recording camera, and tracking apparatus, the tracking apparatus being such that it causes the recording camera to follow the movement of the identification means on the object and therefore the object, and the tracking apparatus being such that it comprises identification means which is for being attached to the object and which comprises at least two colours and a boundary therebetween;
- filter means for filtering out colours except those colours on the identification means; and
detector means which includes a chromatic edge filter and which is for detecting the boundary on the identification means and thereby enabling the detected colours on the identification means to be identified from background colours that may be the same as those on the identification means.
- filter means for filtering out colours except those colours on the identification means; and
Specification