Multi-module imaging system and image-synchronization method

An image-synchronization method performed in a drive recorder, comprising:

• generating multiple sets of motion images by a camera assembly that comprises multiple light-sensing modules;
• extracting a set of continuous frame images from one of the multiple sets of the motion images generated by one of the multiple light-sensing modules of the camera assembly, so that the multiple sets of the motion images are provided to obtain multiple sets of the continuous frame images;
• and
• forming a composite frame by combining multiple frame images that are captured at a same time from the multiple sets of the continuous frame images, so as to encode the multiple sets of the motion images into continuously-outputted multiple composite frames;
• wherein the composite frame comprises the multiple frame images that are generated by the camera assembly at the same time, so that the multiple frame images generated by different ones of the multiple light-sensing modules are synchronously outputted;
• and
• transmitting the continuously-outputted multiple composite frames to an external system according to a time sequence, so as to generate the multiple sets of the continuous frame images that are synchronized by performing a decoding procedure in the external system.

An image-synchronization method, comprising:

• generating multiple sets of motion images by a camera assembly that comprises multiple light-sensing modules, wherein the light-sensing modules comprise an infrared module and at least one visible light module;
• extracting a set of continuous frame images from one of the multiple sets of the motion images generated by one of the multiple light-sensing modules of the camera assembly, so that the multiple sets of the motion images are provided to obtain multiple sets of the continuous frame images;
• and
• forming a composite frame by combining multiple frame images that are captured at a same time from the multiple sets of the continuous frame images, so as to encode the multiple sets of the motion images into continuously-outputted multiple composite frames;
• wherein:
• the composite frame comprises the multiple frame images that are generated by the camera assembly at the same time, so that the multiple frame images generated by different ones of the multiple light-sensing modules are synchronously outputted,
• the composite frame comprises an infrared image generated by the infrared module and at least one visible light image generated by the at least one visible light module, and
• the camera assembly adopts a global shutter that allows all light-sensing pixels of light-sensing elements of the infrared module and the at least one visible light module to be synchronously exposed, so as to generate the multiple frame images.