Image acquiring apparatus and method and image forming apparatus
View Patent ↗Disclosed is an image acquiring method. The image acquiring method includes receiving an instruction to acquire a one-side image to acquire an image on a first side of a document; obtaining a penetrated image of the first side of the document, which is seen on the second side, with a second image sensor for obtaining an image on a second side of the document, while the document is being fed; obtaining an image on the first side of the document with a first image sensor for obtaining an image on the first side of the document, while the document is being fed; and processing the image on the first side based on the penetrated image of the first side.
1. An image acquiring method by an image acquiring apparatus, the method comprising:
in response to an instruction to acquire a single-side image formed on a first surface of a document,
acquiring, by a first image sensor, the single-side image and acquiring, by a second image sensor as a penetrated image sensor, a penetrated image of same single-side image shown through a second surface of the document, while the document is being fed; and
image processing, by a processor, the single-side image, based on the acquired penetrated image of the same single-side image shown through the second surface of the document,
wherein,
the acquiring of the penetrated image includes determining whether the penetrated image is a text image or a picture image, and
the image processing of the single-side image includes sharpening the single-side image when the penetrated image is the text image.
2. The image acquiring method of claim 1 , wherein the image processing of the single-side image comprises blurring the single-side image when the penetrated image is the picture image.
3. The image acquiring method of claim 1 , wherein the acquiring of the penetrated image comprises determining whether the penetrated image is a monochrome image or a color image.
4. The image acquiring method of claim 3 , wherein the acquiring of the single-side image comprises:
changing line times corresponding to the first image sensor to mono image line times when the penetrated image is a monochrome image.
5. The image acquiring method of claim 3 , wherein the acquiring of the single-side image comprises:
changing line times corresponding to the first image sensor to color image line times when the penetrated image is a color image.
6. An image acquiring apparatus comprising:
a memory; and
a processor coupled to the memory, the processor to,
in response to an instruction to acquire a single-side image formed on a first surface of a document,
control acquiring, by a first image sensor, the single-side image and acquire, by a second image sensor as a penetrated image sensor, a penetrated image of same single-side image shown through a second surface of the document, while the document is being fed; and
perform an image process on the single-side image, based on the acquired penetrated image of the same single-side image shown through the second surface of the document,
wherein,
the acquiring of the penetrated image includes determining whether the penetrated image is a text image or a picture image, and
the image processing of the single-side image includes sharpening the single-side image when the penetrated image is the text image.
7. The image acquiring apparatus of claim 6 , wherein the processor is to perform the image process to blur the single-side image when the penetrated image of the image is a picture image.
8. The image acquiring apparatus of claim 6 , wherein the processor is to determine whether the penetrated image is a monochrome image or a color image.
9. The image acquiring apparatus of claim 8 , wherein the processor is to change line times corresponding to the first image sensor to mono image line times when the penetrated image of the single-side image is a monochrome image.
10. The image acquiring apparatus of claim 8 , wherein the processor is to change line times corresponding to the first image sensor to color image line times when the penetrated image is a color image.
11. The image acquiring apparatus of claim 6 , further comprising:
a reflector to reflect light which is emitted from the penetrated image sensor and penetrates the document.
12. The image acquiring apparatus of claim 11 , wherein the reflector comprises a first reflecting part and a second reflecting part, the first reflecting part having higher optical reflectivity than the second reflecting part.
13. The image acquiring apparatus of claim 12 , wherein the apparatus includes a reflector moving module to,
move the reflector to align the first reflecting part with the penetrated image sensor when the instruction is to acquire the single-side image, and
move the reflector to align the second reflecting part with the penetrated image sensor when the instruction is to acquire a double-side image formed on the first and second surfaces of the document.
14. The image acquiring apparatus of claim 12 , wherein the apparatus includes a sensor moving module to,
move the penetrated image sensor to align the first reflecting part with the penetrated image sensor when the instruction is to acquire the single-side image, and
move the pentrated image sensor to align the second reflecting part with the penetrated image sensor when the instruction is to acquire a double-side image formed on the first and second surfaces of the document.
15. An image forming apparatus comprising:
a memory; and
a processor coupled to the memory, the processor to,
in response to an acquisition instruction to acquire a single-side image formed on a first surface of a document,
control acquiring, by a first image sensor, the single-side image and acquire, by a second image sensor as a penetrated image sensor, a penetrated image of same single-side image shown through a second surface of the document, while the document is being fed;
print the single-side image acquired by the first image sensor onto a print medium; and
perform an image process on the single-side image, based on the acquired penetrated image of the same single-side image shown through the second surface of the same document, and print the image processed single-side image on the print medium,
wherein,
the acquiring of the penetrated image includes determining whether the penetrated image is a text image or a picture image, and
the image processing of the single-side image includes sharpening the single-side image when the penetrated image is the text image.
16. The image acquiring apparatus of claim 15 , wherein the processor is to,
determine whether the penetrated image is a monochrome image or a color image,
change line times corresponding to the first image sensor to mono image line times when the penetrated image of the single-side image is a monochrome image, and
change line times corresponding the first image sensor to color image line times when the penetrated image is a color image.