Image processing apparatus, image processing method, computer-readable storage medium, and system using optical coherence tomography

Provided is an image processing apparatus including: a data acquiring unit configured to acquire a plurality of pieces of tomographic data, which are obtained by performing optical coherence tomographic imaging of an object to be inspected through use of measuring light a plurality of times; a noise acquiring unit configured to acquire a noise characteristic of the tomographic data; a coefficient determining unit configured to determine a weighting coefficient corresponding to each pixel position in a tomographic image generated from the tomographic data based on the plurality of pieces of tomographic data and the noise characteristic; a changing unit configured to change a value of the tomographic data based on the weighting coefficient; and an image generating unit configured to generate the tomographic image based on the tomographic data that has the value changed.