Imaging systems and methods with pixel sensitivity adjustments

A system, comprising:

• a demodulation signal generator configured to generate a demodulation signal;
• a pixel array coupled to the demodulation signal generator and including a plurality of pixels, each pixel configured to generate a first output and a second output in response to the demodulation signal;
• and
• a controller configured to:
• measure the first outputs and the second outputs;
• and
• adjust the demodulation signal such that a combination of the first outputs is substantially similar to a combination of the second outputs.