Systems and methods for exposure control

A method implemented on a computing device having at least one processor and at least one storage device, the method comprising:

• determining a target luma of an imaging device in an exposure mode, the imaging device having a set of exposure parameters;
• determining a current luma and a current group of operation values with respect to the set of exposure parameters of the imaging device in the exposure mode;
• determining a first adjustment of the current group of operation values of exposure parameters based on the current luma and the target luma;
• obtaining a correspondence table relating to a plurality of reference luma values and a plurality of groups of operation values of the set of exposure parameters of the imaging device, a group of operation values of the set of exposure parameters of the imaging device corresponding to one of the plurality of reference luma values;
• obtaining setting information of the imaging device;
• modifying the correspondence table based on the setting information;
• and
• determining, based on the first adjustment and the modified correspondence table, a second adjustment of at least one of the set of exposure parameters of the imaging device.

A non-transitory computer readable medium, comprising a set of instructions, wherein when executed by at least one processor, the set of instructions direct the at least one processor to effectuate a method, the method comprising:

• determining a target luma of an imaging device in an exposure mode, the imaging device having a set of exposure parameters;
• determining a current luma and a current group of operation values with respect to the set of exposure parameters of the imaging device in the exposure mode;
• determining a first adjustment of the current group of operation values of exposure parameters based on the current luma and the target luma;
• obtaining a correspondence table relating to a plurality of reference luma values and a plurality of groups of operation values of the set of exposure parameters of the imaging device, a group of operation values of the set of exposure parameters of the imaging device corresponding to one of the plurality of reference luma values;
• obtaining setting information of the imaging device;
• modifying the correspondence table based on the setting information;
• and
• determining, based on the first adjustment and the modified correspondence table, a second adjustment of at least one of the set of exposure parameters of the imaging device.