Camera apparatus and autofocusing method therefor
AssigneeLG Innotek Co., Ltd.
InventorsJung Ah Park, Seong Yun Cho
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Abstract
An auto-focusing method of a camera apparatus according to an embodiment of the present invention comprises the steps of: extracting distance information of an object by using a ToF camera; and performing auto-focusing on an RGB camera by using auto-focusing information according to the distance information, wherein the ToF camera includes an illumination unit for outputting light to the object and a sensor unit for receiving information about light reflected from the object, the sensor unit receives a plurality of pieces of information about the light reflected from the object at a plurality of phases on the basis of the output of the light, and the ToF camera extracts the distance information by using the plurality of pieces of information.
Claims20
A method of autofocusing of a camera apparatus, comprising:
- extracting, by a time of flight (ToF) camera, distance information of an object;
- and
- performing autofocusing of a red-green-blue (RGB) camera by using autofocusing information according to the distance information and the distance information of the object,
- wherein the ToF camera includes an illumination unit which outputs light to the object and a sensor unit which receives information about the light reflected by the object,
- wherein the sensor unit receives pieces of information about the light having a plurality of phases reflected by the object based on an output of the light,
- wherein the ToF camera extracts the distance information using the pieces of information, and
- wherein the autofocusing information is calculated using a function consisting of characteristic values, which are estimated using a plurality of pieces of autofocusing calibration data, of an autofocusing optical system of the RGB camera.
A camera apparatus comprising:
- a time of flight (ToF) camera which extracts distance information of an object;
- a red-green-blue (RGB) camera;
- and
- a control unit which performs autofocusing of the RGB camera using autofocusing information according to the distance information and the distance information of the object,
- wherein the ToF camera includes an illumination unit which outputs light to the object and a sensor unit which receives information about the light reflected by the object,
- wherein the sensor unit receives a plurality of pieces of information about the light reflected by the object at a plurality of phases on the basis of the output of the light,
- wherein the ToF camera extracts the distance information using the plurality of pieces of information, and
- wherein the autofocusing information is calculated using a function consisting of characteristic values, which are estimated using the plurality of pieces of autofocusing calibration data, of an autofocusing optical system of the RGB camera.
Dependencies are inferred from the claim text.