Imaging device, method and system of providing fill light, and movable object

Abstract

An imaging device includes an image sensor, a fill light lamp, and a controller configured to obtain an automatic exposure parameter of the image sensor, and control an illumination intensity of the fill light lamp based on the automatic exposure parameter by adjusting the illumination intensity to a preset value when the automatic exposure parameter falls within an automatic exposure parameter range.

What is claimed is: 
     
         1 . An imaging device, comprising:
 an image sensor;   a fill light lamp; and   a controller configured to:
 obtain an automatic exposure parameter of the image sensor; and 
 control an illumination intensity of the fill light lamp based on the automatic exposure parameter, comprising adjusting the illumination intensity to a preset value when the automatic exposure parameter falls within an automatic exposure parameter range. 
   
     
     
         2 . The imaging device of  claim 1 , wherein the preset value is a first preset value, the automatic exposure parameter range is a first automatic exposure parameter range, and controlling the illumination intensity of the fill light lamp further comprises:
 adjusting the illumination intensity to a second preset value when the automatic exposure parameter falls within a second automatic exposure parameter range.   
     
     
         3 . The imaging device of  claim 2 , wherein adjusting the illumination intensity further comprises: increasing or decreasing the illumination intensity by a first preset increment when the automatic exposure parameter falls within the first automatic exposure parameter range, and increasing or decreasing the illumination intensity by a second preset increment when the automatic exposure parameter falls within the second automatic exposure parameter range. 
     
     
         4 . The imaging device of  claim 1 , wherein the controller is further configured to:
 maintain the illumination intensity of the fill light lamp if the automatic exposure parameter satisfies a preset condition.   
     
     
         5 . The imaging device of  claim 1 , wherein the controller is configured to control the illumination intensity of the fill light lamp if the automatic exposure parameter does not satisfy a preset condition. 
     
     
         6 . The imaging device of  claim 1 , wherein adjusting the illumination intensity further comprises: increasing or decreasing the illumination intensity by a preset increment to the preset value. 
     
     
         7 . The imaging device of  claim 1 , wherein the automatic exposure parameter is an automatic exposure time or an automatic exposure gain. 
     
     
         8 . The imaging device of  claim 1 , wherein the imaging device is coupled to a movable object. 
     
     
         9 . A system, comprising:
 a processor; and   a storage medium storing instructions that, when executed by the processor, cause the processor to:
 obtain an automatic exposure parameter of an image sensor; and 
 control an illumination intensity of a fill light lamp based on the automatic exposure parameter, comprising adjusting the illumination intensity to a preset value when the automatic exposure parameter falls within an automatic exposure parameter range. 
   
     
     
         10 . The system of  claim 9 , wherein the preset value is a first preset value, the automatic exposure parameter range is a first automatic exposure parameter range, and controlling the illumination intensity of the fill light lamp further comprises:
 adjusting the illumination intensity to a second preset value when the automatic exposure parameter falls within a second automatic exposure parameter range.   
     
     
         11 . The system of  claim 10 , wherein adjusting the illumination intensity further comprises: increasing or decreasing the illumination intensity by a first preset increment when the automatic exposure parameter falls within the first automatic exposure parameter range, and increasing or decreasing the illumination intensity by a second preset increment when the automatic exposure parameter falls within the second automatic exposure parameter range. 
     
     
         12 . The system of  claim 9 , wherein the storage medium storing instructions that, when executed by the processor, further cause the processor to:
 maintain the illumination intensity of the fill light lamp if the automatic exposure parameter satisfies a preset condition.   
     
     
         13 . The system of  claim 9 , wherein adjusting the illumination intensity further comprises: increasing or decreasing the illumination intensity by a preset increment to the preset value. 
     
     
         14 . The system of  claim 9 , wherein the automatic exposure parameter is an automatic exposure time or an automatic exposure gain. 
     
     
         15 . A method, comprising:
 obtaining an automatic exposure parameter of an image sensor; and   controlling an illumination intensity of a fill light lamp based on the automatic exposure parameter, comprising adjusting the illumination intensity to a preset value when the automatic exposure parameter falls within an automatic exposure parameter range.   
     
     
         16 . The method of  claim 15 , wherein the preset value is a first preset value, the automatic exposure parameter range is a first automatic exposure parameter range, and controlling the illumination intensity of the fill light lamp further comprises:
 adjusting the illumination intensity to a second preset value when the automatic exposure parameter falls within a second automatic exposure parameter range.   
     
     
         17 . The method of  claim 16 , wherein adjusting the illumination intensity further comprises: increasing or decreasing the illumination intensity by a first preset increment when the automatic exposure parameter falls within the first automatic exposure parameter range, and increasing or decreasing the illumination intensity by a second preset increment when the automatic exposure parameter falls within the second automatic exposure parameter range. 
     
     
         18 . The method of  claim 15 , further comprising:
 maintaining the illumination intensity of the fill light lamp if the automatic exposure parameter satisfies a preset condition.   
     
     
         19 . The method of  claim 15 , wherein adjusting the illumination intensity further comprises: increasing or decreasing the illumination intensity by a preset increment to the preset value. 
     
     
         20 . The method of  claim 15 , wherein the automatic exposure parameter is an automatic exposure time or an automatic exposure gain.