Granted Patent B2

US 12,449,316 · App. 17/879,352 · Granted Oct 21, 2025

Inventors: Shang-Yuan Yuan (New Taipei, TW); Tung-Hsin Huang (New Taipei, TW)

Assignee: CHICONY ELECTRONICS CO., LTD.

G01K15/005G06T7/20G06T7/80

Abstract

Claims (34)

1. A temperature measurement system comprising:

an image sensor configured to obtain an environmental image of a measurement environment;

a processor configured to perform an object detection on the environmental image and to obtain a calibration target:

a distance sensor configured to obtain a position information of the calibration target; and

a temperature sensor configured to obtain an original target temperature information of the calibration target and an environmental temperature of the measurement environment, and the temperature sensor comprises a temperature sensing array, and the temperature sensing array comprises a plurality of temperature sensing units;

wherein the processor is coupled to the image sensor, the distance sensor, and the temperature sensor, and obtains at least one specific temperature sensing unit corresponding to the calibration target from the temperature sensing units according to the position information of the calibration target, and obtains a target temperature measured by the at least one specific temperature sensing unit and a deflection angle of the at least one specific temperature sensing unit, the original target temperature information comprises the target temperature, and

the processor obtains a calibrated target temperature of a calibrated target temperature information corresponding to the at least one specific temperature sensing unit according to the position information, the deflection angle, the target temperature, and the environmental temperature.

2. The temperature measurement system according to claim 1 , wherein the temperature sensor further comprises a lens; when the deflection angle is less than or equal to a coverage angle of the lens, the processor further obtains the calibrated target temperature corresponding to the at least one specific temperature sensing unit according to the position information of the calibration target, the target temperature, the environmental temperature, and a first angular coefficient;

when the deflection angle is greater than the coverage angle of the lens, the processor further obtains the calibrated target temperature corresponding to the at least one specific temperature sensing unit according to the position information of the calibration target, the target temperature, the environmental temperature, and a second angular coefficient;

wherein the first angular coefficient is different from the second angular coefficient.

3. The temperature measurement system according to claim 1 , wherein the processor is further configured to determine whether the environmental image comprises an object and is further configured to determine whether the object is the calibration target according to an object image feature.

4. The temperature measurement system according to claim 3 , wherein the processor is further configured to determine whether the measurement environment comprises a moving article and is further configured to determine whether the moving article is the object.

5. The temperature measurement system according to claim 1 , wherein the temperature sensor further comprises:

a target temperature sensor configured to obtain the original target temperature information of the calibration target; and

an environmental temperature sensor coupled to the target temperature sensor and configured to obtain the environmental temperature of the measurement environment.

6. A temperature measurement method comprising:

capturing an environmental image of a measurement environment;

performing an object detection on the environmental image and to obtain a calibration target;

obtaining a position information of the calibration target;

obtaining an original target temperature information of the calibration target and an environmental temperature of the measurement environment, wherein the original target temperature information comprises at least one target temperature;

obtaining the at least one target temperature corresponding to the calibration target and at least one deflection angle corresponding to the at least one target temperature according to the position information of the calibration target; and

obtaining at least one calibrated target temperature of a calibrated target temperature information according to the position information, the at least one target temperature, the environmental temperature, and the at least one deflection angle.

7. The temperature measurement method according to claim 6 , wherein the step of obtaining the at least one calibrated target temperature of the calibrated target temperature information according to the at least one target temperature, the environmental temperature, and the deflection angle comprises:

obtaining the at least one calibrated target temperature according to the position information of the calibration target, the at least one target temperature, the environmental temperature and a first angular coefficient when the deflection angle is less than or equal to a coverage angle; and

obtaining the at least one calibrated target temperature according to the position information of the calibration target, the at least one target temperature, the environmental temperature and a second angular coefficient when the deflection angle is greater than the coverage angle;

wherein the first angular coefficient and the second angular coefficient are determined based on the relationship between the deflection angle of the temperature sensing unit and the coverage angle of the lens, and the first angular coefficient is different from the second angular coefficient.

8. The temperature measurement method according to claim 6 , wherein the step of performing the object detection on the environmental image to obtain the calibration target comprises:

determining whether the environmental image comprises an object; and

determining whether the object is the calibration target according to an object image feature.

9. The temperature measurement method according to claim 8 , wherein the step of performing the object detection on the environmental image to obtain the calibration target further comprises:

determining whether the measurement environment comprises a moving article; and

determining whether the moving article is the object.

10. The temperature measurement method according to claim 6 , wherein the position information of the calibration target comprises a target distance and a target orientational angle of the calibration target.

11. A non-transitory computing device readable medium adapted to store one or more programs, wherein the one or more programs comprise a plurality of instructions; when the instructions are executed by one or more processing circuits of an electronic device, the electronic device performs a temperature measurement method; the temperature measurement method comprises: capturing an environmental image of a measurement environment; performing an object detection on the environmental image and to obtain a calibration target; obtaining a position information of the calibration target; obtaining an original target temperature information of the calibration target and an environmental temperature of the measurement environment, wherein the original target temperature information comprises at least one target temperature; obtaining the at least one target temperature corresponding to the calibration target and at least one deflection angle corresponding to the at least one target temperature according to the position information of the calibration target; and obtaining at least one calibrated target temperature of a calibrated target temperature information according to the position information, the at least one target temperature, the environmental temperature, and the at least one deflection angle.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (37)