PROBLEM TO BE SOLVED: To provide a processor device capable of discovering various lesions in addition to a lesion in which scattering particles following a specific scattering model exist, and an endoscope system and an image processing method.SOLUTION: A processor device 16 includes: an image acquisition unit 54 for acquiring images of three wavelength bands of a blue wavelength band, a green wavelength band, and a red wavelength band a scattering feature amount calculation unit 71 for calculating a scattering feature amount representing scattering characteristics of an observation object using the images of three wavelength bands and an image generation unit 74 for generating a scattering feature amount image representing a distribution of scattering feature amounts.SELECTED DRAWING: Figure 4COPYRIGHT: (C)2017,JPO&INPIT
