Image processing apparatus and image reading method
An image processing device and image reading technology, which are used in image data processing, image data processing, image enhancement and other directions
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no. 1 approach
[0029] figure 1 It is a schematic configuration diagram of an example of the image forming apparatus 100 according to the first embodiment. exist figure 1 Among them, the image forming apparatus 100 as an image processing apparatus has at least two functions of a copying function, a printing function, a scanning function, and a facsimile function, and is generally called a multifunction machine.
[0030] The image forming apparatus 100 has an image reading device 101 as a reading device and an ADF (Automatic Document Feeder) 102 , and has an image forming unit 103 at its lower portion. In order to explain the internal structure of the image forming unit 103 , the internal structure with the outer cover removed is shown.
[0031] The ADF 102 is a document support portion for positioning a document whose image is to be read at a reading position. The ADF102 automatically transports the document placed on the stage to the reading position. Image reading device 101 reads a doc...
no. 2 approach
[0068] Next, a second embodiment will be described.
[0069] The difference between the second embodiment and the first embodiment is that an ordinary image sensor made of silicon is used for the invisible light image sensor 22b. In the following description of the second embodiment, differences from the first embodiment will be described, and the description of the same parts as the first embodiment will be omitted.
[0070] In the first embodiment, the invisible light image sensor 22b for obtaining images in the invisible light wavelength region and the visible light image sensor 22a for obtaining images in the visible light wavelength region are respectively provided, but not limited thereto. As described above, if infrared light is used as the invisible light source 2b for reading the subject, an image sensor made of silicon having sensitivity to the infrared wavelength region can be used.
[0071] here, Figure 8 It is a schematic diagram of the configuration of the ima...
no. 3 approach
[0075] Next, a third embodiment will be described.
[0076]The difference between the third embodiment and the first embodiment or the second embodiment is that the visible image is used as the determination factor of the restoration object in the invisible image. Hereinafter, in the description of the third embodiment, differences from the first embodiment or the second embodiment will be described, but the description of the same parts as the first embodiment or the second embodiment will be omitted.
[0077] Figure 10 It is a block diagram showing the functional configuration of the image processing unit 20 according to the third embodiment. Such as Figure 10 As shown, the image restoration processing unit 21 of this embodiment includes a first image information determination unit 21 b and a second image restoration unit 21 c instead of the first image restoration unit 21 a described in the first embodiment.
[0078] The first image information judging unit 21b judges ...
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