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1. EP3321880 - MONITORING SYSTEM, PHOTOGRAPHY-SIDE DEVICE, AND VERIFICATION-SIDE DEVICE

Nota: O texto foi obtido por processos automáticos de reconhecimento ótico de caracteres.
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Claims

1. A monitoring system comprising an imaging-side device generating image data and a matching-side device receiving the image data from the imaging-side device and matching the image data,
wherein the imaging-side device comprises:

an imaging unit imaging an object and generating image data of the object;

an imaging-side processing unit generating feature amount data indicating a feature of the object on the basis of the image data generated by the imaging unit;

an imaging-side storing unit storing the feature amount data and image data corresponding to the feature amount data so as to be associated with each other; and

an imaging-side wireless unit performing wireless communication with the matching-side device,

the matching-side device comprises:

a matching-side storing unit storing feature amount reference data to be compared with the feature amount data;

a matching-side processing unit comparing the feature amount data and the feature amount reference data; and

a matching-side wireless unit performing wireless communication with the imaging-side device,

the imaging-side device wirelessly transmits first feature amount data to the matching-side device,

when the first feature amount data is received, based on a result of comparison between the received first feature amount data and the feature amount reference data, the matching-side device wirelessly transmits image data request information requesting transmission of first image data corresponding to the first feature amount data, and

when the image data request information is received, the imaging-side device wirelessly transmits the first image data to the matching-side device.


  2. The monitoring system according to claim 1, wherein when the difference between transmitted feature amount data which is wirelessly transmitted before the first feature amount data is wirelessly transmitted and the first feature amount data is not within a predetermined range or lapse time since the transmitted feature amount data is wireless transmitted to the matching-side device is not equal to or shorter than predetermined time, the imaging-side device wirelessly transmits the first feature amount data to the matching-side device and, when the difference between the transmitted feature amount data and the first feature amount data is within the predetermined range and the lapse time is equal to or less than the predetermined time, the imaging-side device does not wirelessly transmit the first feature amount data to the matching-side device.
  3. The monitoring system according to claim 1, wherein the imaging-side device is mounted in a train, a plurality of imaging units exist and are disposed in a plurality of vehicles constructing the train,
when the difference between transmitted feature amount data which is wirelessly transmitted before the first feature amount data is wirelessly transmitted and the first feature amount data is in a predetermined range and lapse time since the transmitted feature amount data is wirelessly transmitted to the matching-side device is equal to or less than predetermined time, when a first vehicle in which an imaging unit which captured the first image data corresponding to the first feature amount data is disposed is the same as a second vehicle in which an imaging unit which captured image data corresponding to the transmitted feature amount data is disposed, the imaging-side device does not wirelessly transmit the first feature amount data to the matching-side device and, when the first and second vehicles are different from each other, the imaging-side device wirelessly transmits the first feature amount data to the matching-side device.
  4. The monitoring system according to claim 1, wherein the matching-side device comprises an input/output unit having an input unit receiving an instruction from an operator and an output unit outputting various information, when the difference between the received first feature amount data and the feature amount reference data is within a first similarity range, the matching-side device outputs the fact to the output unit, and when an image request from an operator is received by the input unit, the matching-side device wirelessly transmit the image data request information to the imaging-side device.
  5. The monitoring system according to claim 1, wherein when the difference between the received first feature amount data and the feature amount reference data is in a first similarity range, the matching-side device automatically wirelessly transmits the image data request information to the imaging-side device.
  6. The monitoring system according to claim 1, wherein the imaging-side device divides the first image data into a plurality of pieces and wirelessly transmits the divided data to the matching-side device, and
the matching-side device has a display unit displaying various information and, when the first image data is received, couples the received first image data and displays the resultant data in the display unit.
  7. The monitoring system according to claim 1, wherein when a plurality of objects exist in one piece of image data,
the first feature amount data includes a plurality of pieces of feature amount data corresponding to the plurality of objects, and
when the first feature amount data is received, the matching-side device wirelessly transmits the image data request information to the imaging-side device on the basis of a result of comparison between any of the plurality of pieces of feature amount data included in the received first feature amount data and the feature amount reference data.
  8. The monitoring system according to claim 7, wherein, before the first image data is wirelessly transmitted to the matching-side device, the imaging-side device puts a mark indicating similarity to an object corresponding to the first feature amount data, in the first image data.
  9. The monitoring system according to claim 1, wherein feature amount data stored in the imaging-side storing unit includes feature amount data of the face of a person and feature amount data of clothes.
  10. The monitoring system according to claim 1, wherein the imaging-side storing unit stores recording time indicating time when the image data is stored in association with the image data,
the matching-side device comprises an input/output unit having an input unit receiving an instruction from an operator and an output unit displaying various information, when the difference between the received first feature amount data and the feature amount reference data is within a first similarity range, the matching-side device outputs the fact to the output unit and, when a tracking request from the operator is received by the input unit after reception of the first image data, the matching-side device wirelessly transmits tracking request information specifying feature amount data of an object to be tracked to the imaging-side device, and
when the tracking request information is received from the matching-side device, the imaging-side device extracts, from the feature amount data stored in the imaging-side storing unit, second feature amount data whose difference from the feature amount data of the object to be tracked is within a second similarity range and corresponding to second image data at recording time newer than that of the first image data, and wirelessly transmits second image data corresponding to the second feature amount data to the matching-side device.
  11. The monitoring system according to claim 10, wherein the imaging-side device is mounted in a train,
a plurality of imaging units exist and are disposed in a plurality of vehicles constructing the train,
at the time of wirelessly transmitting the second image data, the imaging-side device wirelessly transmits a vehicle number specifying a vehicle in which an imaging unit generating the second image data is disposed to the matching-side device, after that, extracts, from feature amount data stored in the imaging-side storing unit, third feature amount data whose difference from feature amount data of the object to be tracked is within the second similarity range and corresponding to third image data at recording time newer than that of the second image data and, after wirelessly transmitting the second image data, wirelessly transmits third image data corresponding to the third feature amount data and vehicle number of a vehicle in which an imaging unit that generated the third image data is disposed to the matching-side device.
  12. The monitoring system according to claim 10, wherein the second similarity range is narrower than the first similarity range.
  13. The monitoring system according to claim 11, wherein an interval since the imaging-side device wirelessly transmits the second data until the imaging-side device wirelessly transmits the third image data is shorter than an interval when the imaging-side device wirelessly transmits the first image data a plurality of times.
  14. An imaging-side device comprising:

an imaging unit imaging an object and generating image data of the object;

an imaging-side processing unit generating feature amount data indicating a feature of the object on the basis of the image data;

an imaging-side storing unit storing the feature amount data and image data corresponding to the feature amount data so as to be associated with each other; and

an imaging-side wireless unit performing wireless communication with a matching-side device,

wherein the feature amount data is wirelessly transmitted to the matching-side device,

when image data request information requesting transmission of image data corresponding to the feature amount data is received from the matching-side device, image data corresponding to the feature amount data is wirelessly transmitted to the matching-side device.


  15. A matching-side device comprising:

a matching-side storing unit storing feature amount reference data to be compared with feature amount data generated by an imaging-side device and indicating a feature of an object;

a matching-side processing unit comparing the feature amount data and the feature amount reference data; and

a matching-side wireless unit performing wireless communication with the imaging-side device,

wherein when the feature amount data is received from the imaging-side device, based on a result of comparison between the received feature amount data and the feature amount reference data, image data request information requesting transmission of image data is wirelessly transmitted to the imaging-side device.