Image processing apparatus, image processing method, and computer-readable recording medium

An image processing method executed by an image processing apparatus for performing image processing on image data including blinking defective noise that has been generated by an image sensor including pixels arranged in a two-dimensional matrix, the pixels being configured to receive light from outside and to generate a signal according to a light receiving amount, and readout circuits configured to read out the signal as a pixel value, the image processing method comprising:

• acquiring noise information including position information of a pixel in which there is a possibility that blinking defective noise attributed to the readout circuit occurs;
• determining, based on the noise information acquired by the acquisition unit, and pixel values of neighboring pixels surrounding a pixel of interest in an image corresponding to the image data, a direction in which pixel values having highest correlation with a pixel value of the pixel of interest are consecutively arrayed;
• and
• performing image processing on the image data based on a determination result of the direction determination unit.

A non-transitory computer-readable recording medium with an executable program stored thereon, the program causing a processor of an image processing apparatus for performing image processing on image data including blinking defective noise that has been generated by an image sensor including pixels arranged in a two-dimensional matrix, the pixels being configured to receive light from outside and to generate a signal according to a light receiving amount, and readout circuits configured to read out the signal as a pixel value, to execute:

• acquiring noise information including position information of a pixel in which there is a possibility that blinking defective noise attributed to the readout circuit occurs;
• determining, based on the noise information acquired by the acquisition unit, and pixel values of neighboring pixels surrounding a pixel of interest in an image corresponding to the image data, a direction in which pixel values having highest correlation with a pixel value of the pixel of interest are consecutively arrayed;
• and
• performing image processing on the image data based on a determination result of the direction determination unit.