Activity map creating device, activity map creating system, and activity map creating method

An activity map creating device that creates an activity situation of a moving object in a monitoring area, and outputs an activity map visualizing the activity situation of the moving object, the device comprising a processor and a memory that stores an instruction, the device further comprising, as a configuration when the processor executes the instruction stored in the memory:

• a moving object detector that detects the moving object from a captured image of the monitoring area, and that obtains a moving object frame representing an area where the moving object detected from the captured image of the monitoring area is present;
• an activity value obtainer that obtains a moving object activity value indicating a degree of activity of the moving object for each of predetermined detection elements plurally divided from the captured image based on detection results of the moving object detector, wherein the first activity value obtainer counts a number of times of presence of each of the detection elements within a setting range based on the moving object frame obtained by the moving object detector to obtain a moving object activity value for each of the detection elements;
• a map generator that generates the activity map based on the moving object activity value obtained by the activity value obtainer;
• a target area setter that sets a target area in the monitoring area in accordance with input operation by a user;
• a transition information generator that generates transition information on a transition of the moving object activity value for the target area based on the moving object activity value obtained by the activity value obtainer;
• and
• an output information generator that generates output information including a map image that displays the activity map generated by the map generator and overlapped on the captured image of the monitoring area, and the transition information obtained by the transition information generator.

An activity map creating system that creates an activity situation of a moving object in a monitoring area, and outputs an activity map visualizing the activity situation of the moving object, the system comprising:

• a camera that captures an image of the monitoring area;
• and
• a plurality of information processing devices, wherein any one of the plurality of information processing devices includes a processor and a memory that stores an instruction, the any one of the plurality of information processing devices further including, as a configuration when the processor executes the instruction stored in the memory:
• a moving object detector that detects the moving object from the captured image of the monitoring area, and that obtains a moving object frame representing an area where the moving object detected from the captured image of the monitoring area is present,
• a first activity value obtainer that obtains a moving object activity value indicating a degree of activity of the moving object for each of predetermined detection elements plurally divided from the captured image based on detection results of the moving object detector, wherein the first activity value obtainer counts a number of times of presence of each of the detection elements within a setting range based on the moving object frame obtained by the moving object detector to obtain a moving object activity value for each of the detection elements,
• a target area setter that sets a target area in the monitoring area in accordance with input operation by a user,
• a second activity value obtainer that aggregates, in the target area, moving object activity values for the respective detection elements obtained by the first activity value obtainer to obtain a moving object activity value for the target area,
• a map generator that generates the activity map for the target area based on the moving object activity value of the target area obtained by the second activity value obtainer, and
• an output information generator that generates output information including a map image that displays the activity map created by the map generator and overlapped on the captured image of the monitoring area.

An activity map creating system that creates an activity situation of a moving object in a monitoring area, and outputs an activity map visualizing the activity situation of the moving object, the system comprising:

• a camera that captures an image of the monitoring area;
• and
• a plurality of information processing devices, wherein any one of the plurality of information processing devices includes a processor and a memory that stores an instruction, the any one of the plurality of information processing devices further including, as a configuration when the processor executes the instruction stored in the memory:
• a moving object detector that detects the moving object from the captured image of the monitoring area, and that obtains a moving object frame representing an area where the moving object detected from the captured image of the monitoring area is present,
• an activity value obtainer that obtains a moving object activity value indicating a degree of activity of the moving object for each of predetermined detection elements plurally divided from the captured image based on detection results of the moving object detector, wherein the first activity value obtainer counts a number of times of presence of each of the detection elements within a setting range based on the moving object frame obtained by the moving object detector to obtain a moving object activity value for each of the detection elements,
• a map generator that creates the activity map based on the moving object activity value obtained by the activity value obtainer,
• a target area setter that sets a target area in the monitoring area in accordance with input operation by a user,
• a transition information generator that generates transition information on a transition of the moving object activity value for the target area based on the moving object activity value obtained by the activity value obtainer, and
• an output information generator that generates output information having a map image that displays the activity map created by the map generator and overlapped on the captured image of the monitoring area, and the transition information obtained by the transition information generator.

An activity map creating method executed by an image processing device for creating an activity situation of a moving object in a monitoring area, and outputting an activity map visualizing the activity situation of the moving object, the method comprising:

• detecting a moving object from a captured image of the monitoring area;
• obtaining a moving object activity value indicating a degree of activity of the moving object for each of predetermined detection elements plurally divided from the captured image based on detection results thus obtained;
• obtaining a moving object frame representing an area where the moving object detected from the captured image of the monitoring area is present;
• counting a number of times of presence of each of the detection elements within a setting range based on the moving object frame obtained by the moving object detector to obtain a moving object activity value for each of the detection elements;
• setting a target area within the monitoring area in accordance with input operation by a user;
• aggregating, in the target area, moving object activity values for the respective detection elements to obtain a moving object activity value for the target area;
• generating the activity map for the target area based on the moving object activity value of the target area thus obtained;
• and
• generating output information including a map image that displays the activity map thus generated and overlapped on the captured image of the monitoring area.

An activity map creating method executed by an image processing device for creating an activity situation of a moving object in a monitoring area, and outputting an activity map visualizing the activity situation of the moving object, the method comprising:

• detecting a moving object from a captured image of the monitoring area;
• obtaining a moving object activity value indicating a degree of activity of the moving object for each of predetermined detection elements plurally divided from the captured image based on detection results thus obtained;
• obtaining a moving object frame representing an area where the moving object detected from the captured image of the monitoring area is present;
• counting a number of times of presence of each of the detection elements within a setting range based on the moving object frame obtained by the moving object detector to obtain a moving object activity value for each of the detection elements*
• generating the activity map based on the moving object activity value thus obtained;
• setting a target area in the monitoring area in accordance with input operation by a user;
• generating transition information on a transition of the moving object activity value for the target area based on the moving object activity value;
• and
• generating output information that has a map image that displays the activity map overlapped on the captured image of the monitoring area, and the transition information.