Investigation assist device, investigation assist method and investigation assist system

An investigation assist method using an investigation assist device that is connected to cameras installed at a plurality of positions respectively so as to communicate with the cameras, the investigation assist method comprising:

• receiving an information input including information on a first point where an event occurred and feature information of a vehicle having caused the event;
• extracting camera information of positions in a proximity of the first point according to the information input;
• retrieving a plurality of vehicles satisfying the feature information of a vehicle having caused the event using a captured video of a camera specified by the extracted camera information;
• displaying a plurality of individual images of the plurality of retrieved vehicles, respectively, on an operator terminal, each displayed individual image of the plurality of individual images including a respective retrieved vehicle of the plurality of retrieved vehicles;
• receiving, from an operator of the operator terminal, a selection of an individual image of the plurality of displayed individual images;
• analyzing feature information of a retrieved vehicle of the plurality of retrieved vehicles corresponding to the selected individual image of the plurality of displayed individual images;
• updating the feature information of the vehicle having caused the event by adding the analyzed feature information of the retrieved vehicle corresponding to the selected individual image to the feature information of the vehicle having caused the event and storing the updated feature information in a storage;
• updating detection point information of the vehicle having caused the event from the information on the first point to the detection point information of the retrieved vehicle corresponding to the selected individual image and storing the updated detection point information in the storage;
• and
• determining a route of the vehicle having caused the event based on the updated detection point information.

An investigation assist system comprising:

• cameras installed at a plurality of positions respectively;
• and
• an investigation assist device connected to the cameras so as to communicate with the cameras, wherein the investigation assist device includes:
• a processor;
• and
• a storage that records road map information including the plurality of positions and captured video of each camera in association with camera information and position information;
• wherein the processor extracts the camera information of positions in a proximity of a first point where an event occurred, according to an information input including information on the first point and feature information of a vehicle having caused the event;
• wherein the processor retrieves a plurality of vehicles satisfying the feature information of a vehicle having caused the event using a captured video of a camera specified by the extracted camera information;
• wherein the processor:
• displays a plurality of individual images of the plurality of retrieved vehicles, respectively, on an operator terminal, each displayed individual image of the plurality of individual images including a respective retrieved vehicle of the plurality of retrieved vehicles;
• and
• receives, from an operator of the operator terminal, a selection of an individual image of the plurality of displayed individual images,
• wherein the processor analyzes feature information of a vehicle of the plurality of retrieved vehicles corresponding to the selected individual image of the plurality of displayed individual images;
• and
• wherein the processor:
• updates the feature information of the vehicle having caused the event by adding the analyzed feature information of the retrieved vehicle corresponding to the selected individual image to the feature information of the vehicle having caused the event,
• stores the updated feature information in the storage,
• updates detection point information of the vehicle having caused the event from the information on the first point to the detection point information of the retrieved vehicle corresponding to the selected individual image,
• stores the updated detection point information in the storage, and
• determines a route of the vehicle having caused the event based on the updated detection point information.

An investigation assist device that is connected to cameras installed at a plurality of positions respectively so as to communicate with the cameras, the investigation assist device comprising:

• a processor;
• and
• a storage that records road map information including the plurality of positions and captured video of each camera in association with camera information and position information;
• wherein the processor extracts camera information of positions in a proximity of a first point where an event occurred according to an information input including information on the first point and feature information of a vehicle having caused the event, and a period of time measured from when a report of the event is received or from when the vehicle having caused the event is detected;
• wherein the processor retrieves a plurality of vehicles satisfying the feature information of the vehicle having caused the event using a captured video of a camera specified by the extracted camera information;
• wherein the processor:
• displays a plurality of individual images of the plurality of retrieved vehicles, respectively, on an operator terminal, each displayed individual image of the plurality of individual images including a respective retrieved vehicle of the plurality of retrieved vehicles, and
• receives, from an operator of the operator terminal, a selection of an individual image of the plurality of displayed individual images,
• wherein the processor analyzes feature information of a retrieved vehicle of the plurality of retrieved vehicles corresponding to the selected individual image of the plurality of displayed individual images;
• wherein the processor updates the feature information of the vehicle having caused the event by adding the analyzed feature information of the retrieved vehicle corresponding to the selected individual image to the feature information of the vehicle having caused the event and stores the updated feature information in the storage,
• wherein the processor updates detection point information of the vehicle having caused the event from the information on the first point to the detection point information of the retrieved vehicle corresponding to the selected individual image and stores the updated detection point information in the storage,
• wherein the processor determines an escape route of the vehicle having caused the event based on the updated detection point information of the retrieved vehicle corresponding to the selected individual image,
• wherein the processor overlays the escape route on the road map information and outputs the escape route overlaid on the road map information to a display.