An image synchronization device for synchronizing image information generated by a plurality of image sensors, the device comprising: a light emitting source configured to emit light at a predetermined light emitting phase; and a sampling phase calibration circuit configured to synchronize a first sampling phase of a first image sensor (SENSOR1) and a second sampling phase of a second image sensor (SENSOR2) with the light emitting phase of the light emitting source, wherein the sampling phase calibration circuit includes; a period setting circuit (210a, 210b) configured to set a light emitting period of the light emitting source to be identical to a sampling period of the first image sensor (SENSOR 1) and the second image sensor (SENSOR 2); characterized by: a sampling phase information generation circuit (220a, 220b) configured to calibrate the first sampling phase in a manner that the first image sensor (SENSOR 1) performs sensing and sampling of a light emitting signal of the light emitting source at different sampling phases (SP_A, SP_B, SP_C, SP_D) to generate first sampling phase information for each of the different sampling phases, and configured to calibrate the second sampling phase in a manner that the second image sensor (SENSOR 2) performs sensing and sampling of the light emitting signal at the different sampling phases to generate second sampling phase information for each of the different sampling phases; and a sampling phase decision circuit (230a, 230b) configured to determine one of the different sampling phases as the first sampling phase based on the first sampling phase information and to determine one of the different sampling phases as the second sampling phase based on the second sampling phase information. a light emitting source configured to emit light at a predetermined light emitting phase; and a sampling phase calibration circuit configured to synchronize a first sampling phase of a first image sensor (SENSOR1) and a second sampling phase of a second image sensor (SENSOR2) with the light emitting phase of the light emitting source, wherein the sampling phase calibration circuit includes; a period setting circuit (210a, 210b) configured to set a light emitting period of the light emitting source to be identical to a sampling period of the first image sensor (SENSOR 1) and the second image sensor (SENSOR 2); characterized by: a sampling phase information generation circuit (220a, 220b) configured to calibrate the first sampling phase in a manner that the first image sensor (SENSOR 1) performs sensing and sampling of a light emitting signal of the light emitting source at different sampling phases (SP_A, SP_B, SP_C, SP_D) to generate first sampling phase information for each of the different sampling phases, and configured to calibrate the second sampling phase in a manner that the second image sensor (SENSOR 2) performs sensing and sampling of the light emitting signal at the different sampling phases to generate second sampling phase information for each of the different sampling phases; and a sampling phase decision circuit (230a, 230b) configured to determine one of the different sampling phases as the first sampling phase based on the first sampling phase information and to determine one of the different sampling phases as the second sampling phase based on the second sampling phase information. a sampling phase information generation circuit (220a, 220b) configured to calibrate the first sampling phase in a manner that the first image sensor (SENSOR 1) performs sensing and sampling of a light emitting signal of the light emitting source at different sampling phases (SP_A, SP_B, SP_C, SP_D) to generate first sampling phase information for each of the different sampling phases, and configured to calibrate the second sampling phase in a manner that the second image sensor (SENSOR 2) performs sensing and sampling of the light emitting signal at the different sampling phases to generate second sampling phase information for each of the different sampling phases; and a sampling phase decision circuit (230a, 230b) configured to determine one of the different sampling phases as the first sampling phase based on the first sampling phase information and to determine one of the different sampling phases as the second sampling phase based on the second sampling phase information.