Imaging apparatus that generates three-layer color data on the basis of a first mosaic image
a color data and imaging apparatus technology, applied in the direction of picture signal generators, solid-state device signal generators, television systems, etc., can solve the problems of image quality deterioration, difficult color mixture correction, image quality deterioration due to false signals, etc., to achieve the effect of simply performing color mixture correction for mosaic images and suppressing image quality
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first embodiment
[0070]FIG. 3 is a block diagram illustrating a main portion of the internal structure of a first embodiment of the image processing device 28 provided in the imaging apparatus 10 illustrated in FIG. 2.
[0071]As illustrated in FIG. 3, the image processing device 28 includes, as main components, a lens information acquisition unit 102, a color mixture information determination unit 104 (corresponding to color mixture information determination unit), a mosaic image acquisition unit 106 (corresponding to mosaic image acquisition unit), a color mixture correction unit 109 (corresponding to color mixture correction unit), and a synchronization unit 110 (corresponding to synchronization unit). The concept of the mosaic image acquisition unit 106 illustrated in FIG. 3 includes the memory unit 26 illustrated in FIG. 2. In addition, the image processing device 28 may include a white balance correction unit, a signal processing unit which performs signal processing, such as gamma correction and...
second embodiment
[0098]FIG. 5 is a functional block diagram illustrating a second embodiment of the image processing device 28. In the second embodiment, the same components in the image processing device as those in the first embodiment (FIG. 3) are denoted by the same reference numerals and the detailed description thereof will not be repeated.
[0099]The image processing device 28 according to the second embodiment differs from the image processing device 28 (FIG. 3) according to the first embodiment in that a mosaic image generation unit 108 which is controlled by a color mixture information determination unit 104 is added and the color mixture information determination unit 104 according to the second embodiment does not control a mosaic image acquisition unit 106. Therefore, the mosaic image acquisition unit 106 according to the second embodiment constantly reads a first mosaic image, regardless of the determination result of the color mixture information determination unit 104.
[0100]When the co...
third embodiment
[0106]FIG. 7 illustrates the flow of a processing operation of an image processing device 28 according to a third embodiment. A functional block diagram of the image processing device is the same as that of the image processing device according to the first embodiment (FIG. 3). The same components are denoted by the same reference numerals and the detailed description thereof will not be repeated.
[0107]In FIG. 3, in the third embodiment, when a color mixture information determination unit 104 determines that color mixture information is identified, a mosaic image acquisition unit 106 reads a first mosaic image from a color imaging element 22 or the mosaic image acquisition unit 106 reads a third mosaic image obtained by reducing the number of types of first pixels from the color imaging element 22 (see FIG. 3). Then, the third mosaic image is transmitted to a color mixture correction unit 109.
[0108]According to the third embodiment, even when the color mixture information is identif...
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