The proportion of laparoscopic surgeries is continuously increasing in general surgeries. Along with the development and application, new image sensor and digital image processing technology accelerated the emergence of novel laparoscope in recent years. Stereoscopic laparoscope (3D) appearing make the space orientation more accurate. new imaging methods and new structure design satisfy more clinical requirements; combination with optical technology (NBI technique, PDD technique, ICG technique) make intraoperative diagnosis possible.
Keywords: digital image processing technology; image sensor; imaging methods; laparoscope; three dimension image.