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1. (EP3505963) MEASUREMENT DEVICE, MEASUREMENT METHOD AND PROGRAM
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Claims

1. A measurement device comprising:

a measurement unit which performs measurement by emitting electromagnetic waves and scanning an object with the electromagnetic waves; and

a control unit which controls the measurement unit,

wherein the measurement unit is operable in a first scan mode in which the object is scanned in a first direction, or a second scan mode in which the object is scanned in a second direction different from the first direction, and

wherein the control unit determines a scan mode to be executed by the measurement unit.


  2. The measurement device according to claim 1,

wherein the measurement device is mounted to a moving body,

wherein the first direction is a direction from left to right with respect to a traveling direction of the moving body,

wherein the second direction is a direction from right to left with respect to the traveling direction, and

wherein the measurement unit performs vertical scanning in a height direction of the moving body.


  3. The measurement device according to claim 2,
wherein the control unit determines the scan mode, based on a moving state of the moving body.
  4. The measurement device according to claim 3,
wherein the control unit determines the scan mode, based on a steering signal of a steering wheel of the moving body.
  5. The measurement device according to claim 4,
wherein the control unit determines the scan mode as the first scan mode, in a case where the steering wheel is turned to the left by a predetermined angle or more, and determines the scan mode as the second scan mode, in a case where the steering wheel is turned to the right by a predetermined angle or more.
  6. The measurement device according to claim 5,

wherein the measurement unit is also operable in a third mode in which the object is scanned by performing a reciprocating operation in the first direction and the second direction, and

wherein the control unit determines the scan mode as the third scan mode, in a case where the steering angle of the steering wheel is others.


  7. The measurement device according to any one of claims 2 to 6,
wherein the control unit determines the scan mode, based on a planned travel route of the moving body.
  8. The measurement device according to claim 7,
wherein the control unit determines the scan mode as the first scan mode in a case where it is predicted that the steering wheel of the moving body is turned to the left by a predetermined angle or more within a predetermined traveling distance, based on the planned travel route, and determines the scan mode as the second scan mode in a case where it is predicted that the steering wheel of the moving body is turned to the right by a predetermined angle or more within a predetermined traveling distance, based on the planned travel route.
  9. The measurement device according to claim 8,

wherein the measurement unit is also operable in a third mode in which the object is scanned by performing a reciprocating operation in the first direction and the second direction, and

wherein the control unit determines the scan mode as the third scan mode in a case where it is not predicted that the steering wheel of the moving body is turned to the left and the right by a predetermined angle or more within the predetermined traveling distance, based on the planned travel route.


  10. The measurement device according to any one of claims 2 to 9,
wherein the control unit is operable in a first determination mode in which the scan mode is determined based on a steering signal of a steering wheel of the moving body and in a second determination mode in which the scan mode is determined based on a planned travel route of the moving body, and switches the determination mode in accordance with a traveling speed of the moving body.
  11. The measurement device according to any one of claims 2 to 10,
wherein the control unit fixes the scan mode to any one of the scan modes, in a case where a traveling speed of the moving body is less than a predetermined value, and determines one of a plurality of the scan modes, based on a steering signal of a steering wheel of the moving body or a planned travel route of the moving body, in a case where the traveling speed of the moving body is a predetermined value or more.
  12. The measurement device according to claim 1,
the measurement device being installed to the moving body,
the measurement device further comprising:

a current position acquisition unit which acquires information on a current position of the moving body;

a traveling direction acquisition unit which acquires information on a traveling direction of the moving body; and

a map information acquisition unit which acquires map information,

wherein the control unit determines the scan mode, based on the information on the current position, the information on the traveling direction, and the map information.


  13. A measurement method executed by a computer, comprising:

a measurement step of performing measurement by emitting electromagnetic waves and scanning an object with the electromagnetic waves; and

a control step of controlling the measurement step,

wherein the measurement step is operable in a first scan mode in which the object is scanned in a first direction, or a second scan mode in which the object is scanned in a second direction different from the first direction, and

wherein in the control step, a scan mode to be executed in the measurement step is determined.


  14. A program causing a computer to function as:

a measurement unit which performs measurement by emitting electromagnetic waves and scanning an object with the electromagnetic waves; and

a control unit which controls the measurement unit,

wherein the measurement unit is operable in a first scan mode in which the object is scanned in a first direction, or a second scan mode in which the object is scanned in a second direction different from the first direction, and

wherein the control unit determines a scan mode to be executed by the measurement unit.