Imaging device

An image capture apparatus, comprising:

• image-taking mode selection means, in which image-taking mode information containing information on a particular color determined according to a predetermined image-taking condition is set, for selecting desired image-taking mode information from the set image-taking mode information;
• color convergence parameter storage means for storing a color convergence parameter value containing position data indicative of a position of a predetermined color in a color-difference plane, correction range setting data for setting to a correction range a predetermined range centered at the position of the predetermined color, and convergence coefficient data for converging a particular color corresponding to the correction range to the position indicative of the predetermined color;
• color convergence parameter setting means for selecting and setting a color convergence parameter value for the corresponding particular color from the color convergence parameter storage means on a basis of the image-taking mode information selected by the image-taking mode selection means;
• particular-color extraction means for extracting a video signal of a particular color from a video signal on a basis of the image-taking information selected by the image-taking mode selection means;
• luminance correction means for correcting a luminance level of the video signal according to a luminance level in the video signal of the particular color extracted by the particular-color extraction means;
• and
• color convergence correction processing means for correcting the particular color in the video signal into the predetermined color on a basis of a correction amount calculated on a basis of the color convergence parameter value set by the color convergence parameter setting means.

An image capture method, characterized by comprising:

• an image-taking mode selection step of selecting desired image-taking mode information from image-taking mode information in which image-taking mode information containing information on a particular color determined according to a predetermined image-taking condition is set;
• a particular-color extraction step of extracting a video signal of a particular color from a video signal on the basis of the image-taking mode information selected in the image-taking mode selection step;
• a color-difference detection step of detecting color-difference data on the particular color from the video signal of the particular color extracted in the particular-color extraction step;
• a color correction value calculation step of selecting correction reference data on the corresponding particular color from correction reference data storage means storing correction reference data which is a reference for correcting the particular color into a predetermined color, on a basis of the image-taking mode information selected in the image-taking mode selection step, and calculating a color correction value for correcting the corresponding particular color into the predetermined color on a basis of the selected correction reference data and the color-difference data on the particular color detected by the color-difference detection step;
• and
• a color correction processing step of correcting the particular color of the video signal into the predetermined color on a basis of the color correction value calculated in the color correction value calculation step.