Image processing system having multiple imaging modes

An image processing system comprising:

• an image capturing unit;
• and
• an image processing unit,
• the image capturing unit comprising:
• an illuminating light source including a plurality of light-emitting devices which respectively emit illumination lights having a plurality of different characteristics of spectroscopic distributions;
• an image pick-up optical system which forms an image of a subject illuminated by the illuminating light source;
• an image pick-up device which picks up the subject image formed by the image pick-up optical system and obtains a subject signal;
• and
• a control unit which controls light emission by the plurality of light-emitting devices and image pick-up by the image pick-up device and which switches the image capturing unit between a spectroscopic image capturing mode in which it obtains a still image of a subject spectroscopic image and a moving image capturing mode in which it obtains a moving image thereof;
• wherein, in the spectroscopic image capturing mode, the control unit controls the plurality of light-emitting devices to sequentially emit light according to the different characteristics of spectroscopic distributions by a plurality of times interlocking the light emission with an exposure timing of the image pick-up device thereby causing the image pick-up device to obtain a plurality of subject spectroscopic images;
• and
• wherein, in the moving image capturing mode, the control unit is arranged to cause light emission of a light-emitting device for a single specific primary color or cause light emission of light-emitting devices for a plurality of specific primary colors selected from the plurality of light-emitting devices, or cause sequential light emission of a group of R devices, a group of G devices, and a group of B devices selected from the plurality of light-emitting devices, group by group, and to cause the image pick-up device to obtain a moving image;
• and
• the image processing unit comprising:
• an image identification calculating unit which calculates grade data to be used to determine a grade of a color of the subject based on one or more of the subject spectroscopic images captured by the image capturing unit when operating in the spectroscopic image capturing mode.