An image processing device is provided. The image processing device includes a vision sensor including a plurality of pixels, each pixel configured to generate a plurality of events per frame by sensing a change in intensity of light and configured to generate a plurality of timestamps indicating event occurrence times of the plurality of events, and a processor configured to correct an event data packet based on a response time and to output the event data packet based on the response time, the response time determined by a position of the pixel and an illuminance value.