An image processing apparatus is provided that is capable of executing identification of an object by using a two-dimensional-image having a relatively low resolution. In addition, methods of increasing the frequency of spontaneous complete bowel movements, methods for improving the quality of life of a patient suffering from opioid bowel dysfunction, methods for reducing a patient’s dependence on laxatives, and methods for preventing or treating pain are also disclosed. The server can store a group of security rating templates, each of which includes the information needed to determine an expected security rating for any SOs created per a particular Settings Class. A spatial intensity distribution of diffracted and scattered light obtained by irradiating laser beams to the suspended particulate matter is measured.