Method and apparatus for providing location trajectory compression based on map structure
First Claim
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1. A method comprising:
- causing, at least in part, a mapping of at least one location trajectory to at least one map to determine one or more intersections traveled along the at least one location trajectory, wherein the at least one location trajectory comprises a sequence of roads that follow a route previously taken by a user applied to roads of the at least one map;
determining, by at least one processor, at least one compression key based, at least in part, on one or more outgoing roads of the one or more intersections;
causing, at least in part, a compression of the at least one location trajectory based, at least in part, on the at least one compression key;
determining one or more intermediate intersections, one or more intermediate roads, or a combination thereof associated with the at least one location trajectory,wherein the compression of the at least one location trajectory is a partial compression based, at least in part, on the one or more intermediate intersections, the one or more intermediate roads, or a combination thereof.
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Abstract
An approach is provided for compressing location trajectories based on map structure. A compression platform causes, at least in part, a mapping of at least one location trajectory to at least one map to determine one or more intersections traveled along the at least one location trajectory. The compression platform further determines at least one compression key based, at least in part, on one or more outgoing roads of the one or more intersections. The compression platform also causes, at least in part, a compression of the at least one location trajectory based, at least in part, on the at least one compression key.
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18 Claims
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1. A method comprising:
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causing, at least in part, a mapping of at least one location trajectory to at least one map to determine one or more intersections traveled along the at least one location trajectory, wherein the at least one location trajectory comprises a sequence of roads that follow a route previously taken by a user applied to roads of the at least one map; determining, by at least one processor, at least one compression key based, at least in part, on one or more outgoing roads of the one or more intersections; causing, at least in part, a compression of the at least one location trajectory based, at least in part, on the at least one compression key; determining one or more intermediate intersections, one or more intermediate roads, or a combination thereof associated with the at least one location trajectory, wherein the compression of the at least one location trajectory is a partial compression based, at least in part, on the one or more intermediate intersections, the one or more intermediate roads, or a combination thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An apparatus comprising:
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at least one processor; and at least one memory including computer program code for one or more programs, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus to perform at least the following, cause, at least in part, a mapping of at least one location trajectory to at least one map to determine one or more intersections traveled along the at least one location trajectory, wherein the at least one location trajectory comprises a sequence of roads that follow a route previously taken by a user applied to roads of the at least one map; determine at least one compression key based, at least in part, on one or more outgoing roads of the one or more intersections; cause, at least in part, a compression of the at least one location trajectory based, at least in part, on the at least one compression key; determine one or more intermediate intersections, one or more intermediate roads, or a combination thereof associated with the at least one location trajectory, wherein the compression of the at least one location trajectory is a partial compression based, at least in part, on the one or more intermediate intersections, the one or more intermediate roads, or a combination thereof. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification