On August 3, 2011 Dr. Amal Punchihewa, who is a senior lecturer at Massey University (New Zealand), came to visit our laboratory. He is also a visiting associate professor at Tokyo University of Science. Prof. Takayuki Hamamoto from Tokyo University of Science arranged this visit for us. Dr. Amal Punchihewa gave us a seminar aboutimage processing technologies with image sensors. We appreciated this wonderful opportunity.