Image processing apparatus, method, program, and recording medium

A method of processing an image of an image processing apparatus including

• imaging means for capturing an image of an object of shooting, and
• defective-position storing means for storing a position of a defective pixel of the imaging means, the method comprising the steps of:
• arraying a plurality of pixels in a certain range of the vicinity of a noticed pixel of the image of the object of shooting output by the imaging means;
• when the noticed pixel is the defective pixel, obtaining prediction pixels located at relative positions predetermined with respect to the noticed pixel and to be used for correcting the defective pixel out of the arrayed pixels;
• supplying prediction coefficients corresponding to the prediction pixels;
• and
• calculating a correction value of the noticed pixel by the sum of the products of the prediction pixels and the prediction coefficients.

A computer program for controlling an image processing apparatus including

• imaging means for capturing an image of an object of shooting, and
• defective-position storing means for storing a position of a defective pixel of the imaging means, the computer program comprising the steps of:
• arraying a plurality of pixels in a certain range of the vicinity of a noticed pixel of the image of the object of shooting output by the imaging means;
• when the noticed pixel is the defective pixel, obtaining prediction pixels located at relative positions predetermined with respect to the noticed pixel and to be used for correcting the defective pixels out of the arrayed pixels;
• supplying prediction coefficients corresponding to the prediction pixels;
• and
• calculating a correction value of the noticed pixel by the sum of the products of the prediction pixels and the prediction coefficients.

An image processing apparatus comprising:

• a imaging mechanism capturing an image of an object of shooting;
• a defective-position storing mechanism storing a position of a defective pixel of the imaging means;
• an arraying mechanism arraying a plurality of pixels in a certain range of the vicinity of a noticed pixel of the image of the object of shooting output by the imaging mechanism;
• when the noticed pixel is the defective pixel, a prediction-pixel obtaining mechanism for obtaining prediction pixels located at relative positions predetermined with respect to the noticed pixel and to be used for correcting the defective pixel out of the arrayed pixels;
• a prediction-coefficient supplying mechanism for supplying prediction coefficients corresponding to the prediction pixels;
• and
• a calculation mechanism for calculating a correction value of the noticed pixel by the sum of the products of the prediction pixels and the prediction coefficients.