Imaging system and image processing program

An image pickup system for processing an image signal at each pixel which is composed of more than one color signals and one or more of the color signals are dropped out according to the location of the pixel, comprising:

• separation means for separating the image signals into first image signals and second image signals on the basis of predetermined characteristics relating to the image signals;
• first interpolation means for interpolating the dropped-out color signals from the first image signals by a first interpolation method;
• second interpolation means for interpolating the dropped-out color signals from the second image signals by a second interpolation method that is different from the first interpolation means;
• precision verification means for verifying the interpolation precision on the basis of the first image signals and the color signals interpolated by the first interpolation means for the regions of the first image signals, and verifying the interpolation precision on the basis of the second image signals and the color signals interpolated by the second interpolation means for the regions of the second image signals;
• and
• adjustment means for causing interpolation processing of the dropped-out color signals to be performed again from the image signals by the second interpolation means when insufficient interpolation was performed by the first interpolation means, and for causing interpolation processing of the dropped-out color signals to be performed again from the image signals by the first interpolation means when insufficient interpolation was performed by the second interpolation means, in cases where it is judged that the interpolation precision is insufficient.

An image pickup system for processing an image signal at each pixel which is composed of more than one color signals and one or more of the color signals are dropped out according to the location of the pixel, comprising:

• first interpolation means for interpolating the color signals dropped-out from the image signals by a first interpolation method;
• second interpolation means for interpolating the color signals dropped-out from the image signals by a second interpolation method that is different from the first interpolation method;
• precision verification means for verifying the interpolation precision on the basis of the image signals, the color signals interpolated by the first interpolation means and the color signals interpolated by the second interpolation means;
• and
• selection means for selecting color signals having a higher interpolation precision between the color signals interpolated by the first interpolation means and the color signals interpolated by the second interpolation means.

An image processing program for processing, by means of a computer, an image signal at each pixel which is composed of more than one color signals and one or more of the color signals are dropped out according to the location of the pixel, the image processing program causing the computer to function as:

• first interpolation means for interpolating the color signals dropped-out from the image signals by a first interpolation method;
• precision verification means for verifying the interpolation precision on the basis of the image signals and the color signals interpolated by the first interpolation means;
• and
• second interpolation means for interpolating the color signals dropped-out from the image signals by a second interpolation method that is different from the first interpolation method in cases where it is judged that the interpolation precision is insufficient.

An image processing program for processing, by means of a computer, an image signal at each pixel which is composed of more than one color signals and one or more of the color signals are dropped out according to the location of the pixel, the image processing program causing the computer to function as:

• separation means for separating the image signals into first image signals and second image signals on the basis of predetermined characteristics relating to the image signals;
• first interpolation means for interpolating the color signals dropped-out from the first image signals by a first interpolation method;
• second interpolation means for interpolating the color signals dropped-out from the second image signals by a second interpolation method that is different from the first interpolation means;
• precision verification means for verifying the interpolation precision on the basis of the first image signals and the color signals interpolated by the first interpolation means for the regions of the first image signals, and for verifying the interpolation precision on the basis of the second image signals and the color signals interpolated by the second interpolation means for the regions of the second image signals;
• and
• adjustment means for causing interpolation processing of the dropped-out color signals to be performed again from the image signals by the second interpolation means when insufficient interpolation was performed by the first interpolation means, and for causing interpolation processing of the dropped-out color signals to be performed again from the image signals by the first interpolation means when insufficient interpolation was performed by the second interpolation means, in cases where it is judged that the interpolation precision is insufficient.

An image processing program for processing, by means of a computer, an image signal at each pixel which is composed of more than one color signals and one or more of the color signals are dropped out according to the location of the pixel, the image processing program causing the computer to function as:

• first interpolation means for interpolating the color signals dropped-out from the image signals by a first interpolation method;
• second interpolating means for interpolating the color signals dropped-out from the image signals by a second interpolation method that is different from the first interpolation method;
• precision verification means for verifying the interpolation precision on the basis the color signals, the color signals being interpolated by the first interpolation means and by the second interpolation means;
• and
• selection means for selecting color signals that have a higher interpolation precision between the color signals that are interpolated by the first interpolation means and the color signals that are interpolated by the second interpolation means.