Image processing apparatus, image processing method, computer-readable medium and computer data signal
View Patent ↗An image processing apparatus includes an image receiving unit, an extraction unit, a determination unit, an area conversion unit and an image concealing unit. The image receiving unit receives an image. The extraction unit extracts a portion having been additionally written in the image received by the image receiving unit. The determination unit determines an area to be concealed in the received image based on the additionally written portion extracted by the extraction unit. The area conversion unit converts the area determined by the determination unit. The image concealing unit conceals the area determined by the determination unit in the received image using an area obtained by the conversion of by the area conversion unit.
1. An image processing apparatus comprising:
an image receiving unit that receives an image;
an extraction unit that extracts a portion having been additionally written in the image received by the image receiving unit;
a determination unit that determines a plurality of areas to be concealed in the received image based on the additionally written portion extracted by the extraction unit;
an area conversion unit that reads out sizes of the plurality of areas determined by the determination unit and that converts the plurality of areas determined by the determination unit; and
an image concealing unit that (i) determines sizes of concealing images based on the sizes of the plurality of areas read out by the area conversion unit, (ii) generates the concealing images in the determined sizes and (iii) conceals the plurality of areas determined by the determination unit in the received image using the generated concealing images, each of which has a same size,
wherein:
the area conversion unit converts a size of each of the plurality of determined areas based on the sizes of the plurality of determined areas,
the area conversion unit calculates an average size of the plurality of the determined areas, and
the image concealing unit generates the concealing images in the average size calculated by the area conversion unit and conceals the plurality of determined areas using the generated concealing images.
2. The image processing apparatus according to claim 1 , wherein the image concealing unit converts a second area of the image received by the image receiving unit,
wherein the second area is different from the plurality of areas determined by the determination unit.
3. The image processing apparatus according to claim 2 , wherein the image concealing unit converts the second area by adjusting spacing between character images within the second area so as to keep a length of each character string in the image received by the image receiving unit.
4. The image processing apparatus according to claim 1 , wherein:
the determination unit determines the plurality of areas for respective character strings, and
the concealing images each have the same size for each respective character string.
5. The image processing apparatus according to claim 1 , wherein the sizes of the plurality of determined areas include widths of the plurality of the determined areas.
6. An image processing apparatus comprising:
an image receiving unit that receives an image;
an extraction unit that extracts a portion having been additionally written in the image received by the image receiving unit;
a determination unit that determines a plurality of areas to be concealed in the received image based on the additionally written portion extracted by the extraction unit;
an area conversion unit that reads out sizes of the plurality of areas determined by the determination unit and that converts the plurality of areas determined by the determination unit; and
an image concealing unit that (i) determines sizes of concealing images based on the sizes of the plurality of areas read out by the area conversion unit, (ii) generates the concealing images in the determined sizes and (iii) conceals the plurality of areas determined by the determination unit in the received image using the generated concealing images, each of which has a same size, wherein:
the area conversion unit converts a size of each of the plurality of determined areas based on the sizes of the plurality of determined areas, and
the area conversion unit converts the plurality of determined areas by adjusting the size of each of the plurality of the determined areas based on a number of characters in the respective one of
the plurality of determined areas.
7. The image processing apparatus according to claim 6 , wherein the image concealing unit converts a second area of the image received by the image receiving unit,
wherein the second area is different from the plurality of areas determined by the determination unit.
8. The image processing apparatus according to claim 7 , wherein the image concealing unit converts the second area by adjusting spacing between character images within the second area so as to keep a length of each character string in the image received by the image receiving unit.
9. The image processing apparatus according to claim 6 , wherein the area conversion unit converts the plurality of determined areas by adjusting the size of each of the plurality of determined areas based on a number of characters in the plurality of determined areas.
10. An image processing apparatus comprising:
an image receiving unit that receives an image;
an extraction unit that extracts a portion having been additionally written in the image received by the image receiving unit;
a determination unit that determines a plurality of areas to be concealed in the received image based on the additionally written portion extracted by the extraction unit;
an area conversion unit that reads out sizes of the plurality of areas determined by the determination unit and that converts the plurality of areas determined by the determination unit; and
an image concealing unit that (i) determines sizes of concealing images based on the sizes of the plurality of areas read out by the area conversion unit, (ii) generates the concealing images in the determined sizes and (iii) conceals the plurality of areas determined by the determination unit in the received image using the generated concealing images, each of which has a same size,
wherein:
the determination unit determines the plurality of areas for respective character strings, and
the concealing images each have the same size for each respective character string.
11. An image processing apparatus comprising:
an image receiving unit that receives an image;
an extraction unit that extracts a portion having been additionally written in the image received by the image receiving unit;
a determination unit that determines a plurality of areas to be concealed in the received image based on the additionally written portion extracted by the extraction unit;
an area conversion unit that reads out sizes of the plurality of areas determined by the determination unit and that converts the plurality of areas determined by the determination unit; and
an image concealing unit that (i) determines sizes of concealing images based on the sizes of the plurality of areas read out by the area conversion unit, (ii) generates the concealing images in the determined sizes and (iii) conceals the plurality of areas determined by the determination unit in the received image using the generated concealing images, each of which has a same size,
wherein the sizes of the plurality of determined areas include widths of the plurality of the determined areas.
12. An image processing method comprising:
receiving an image;
extracting a portion having been additionally written in the received image;
determining a plurality of areas to be concealed in the received image based on the extracted portion;
reading out sizes of the plurality of areas determined;
converting the plurality of areas determined;
determining sizes of concealing images based on the sizes of the plurality of areas read out;
generating the concealing images in the determined sizes; and
concealing the plurality of areas determined in the received image using the generated concealing images, each of which has a same size,
wherein the converting comprises:
converting a size of each of the plurality of areas determined based on the sizes of the plurality of areas determined; and
calculating an average size of the plurality of the areas determined, wherein the generating comprises generating the concealing images in the average size calculated, and
wherein the concealing comprises concealing the plurality of areas determined using the generated concealing images.
13. An image processing method comprising:
receiving an image;
extracting a portion having been additionally written in the received image;
determining a plurality of areas to be concealed in the received image based on the extracted portion;
reading out sizes of the plurality of areas determined;
converting the plurality of areas determined;
determining sizes of concealing images based on the sizes of the plurality of areas read out;
generating the concealing images in the determined sizes; and
concealing the plurality of areas determined in the received image using the generated concealing images, each of which has a same size,
wherein the converting comprises:
converting a size of each of the plurality of areas determined based on the sizes of the plurality of areas determined; and
converting the plurality of areas determined by adjusting the size of each of the plurality of the areas determined based on a number of characters in the respective one of the plurality of areas determined.
14. An image processing method comprising:
receiving an image;
extracting a portion having been additionally written in the received image;
determining a plurality of areas to be concealed in the received image based on the extracted portion;
reading out sizes of the plurality of areas determined;
converting the plurality of areas determined;
determining sizes of concealing images based on the sizes of the plurality of areas read out;
generating the concealing images in the determined sizes; and
concealing the plurality of areas determined in the received image using the generated concealing images, each of which has a same size,
wherein:
the determining the plurality of areas comprises determining the plurality of areas for respective character strings, and
the concealing images each have the same size for each respective character string.
15. An image processing method comprising:
receiving an image;
extracting a portion having been additionally written in the received image;
determining a plurality of areas to be concealed in the received image based on the extracted portion;
reading out sizes of the plurality of areas determined;
converting the plurality of areas determined;
determining sizes of concealing images based on the sizes of the plurality of areas read out;
generating the concealing images in the determined sizes; and
concealing the plurality of areas determined in the received image using the generated concealing images, each of which has a same size,
wherein the sizes of the plurality of areas determined include widths of the plurality of the areas determined.
16. A non-transitory computer-readable medium storing a program that causes a computer to execute image processing, the image processing comprising:
receiving an image;
extracting a portion having been additionally written in the received image;
determining a plurality of areas to be concealed in the received image based on the extracted portion;
reading out sizes of the plurality of areas determined;
converting the plurality of areas determined;
determining sizes of concealing images based on the sizes of the plurality of areas read out;
generating the concealing images in the determined sizes; and
concealing the plurality of areas determined in the received image using the generated concealing images, each of which has a same size,
wherein the converting comprises:
converting a size of each of the plurality of areas determined based on the sizes of the plurality of areas determined; and
calculating an average size of the plurality of the areas determined,
wherein the generating comprises generating the concealing images in the average size calculated, and
wherein the concealing comprises concealing the plurality of areas determined using the generated concealing images.
17. A non-transitory computer-readable medium storing a program that causes a computer to execute image processing, the image processing comprising:
receiving an image;
extracting a portion having been additionally written in the received image;
determining a plurality of areas to be concealed in the received image based on the extracted portion;
reading out sizes of the plurality of areas determined;
converting the plurality of areas determined;
determining sizes of concealing images based on the sizes of the plurality of areas read out;
generating the concealing images in the determined sizes; and
concealing the plurality of areas determined in the received image using the generated concealing images, each of which has a same size,
wherein the converting comprises:
converting a size of each of the plurality of areas determined based on the sizes of the plurality of areas determined; and
converting the plurality of areas determined by adjusting the size of each of the plurality of the areas determined based on a number of characters in the respective one of the plurality of areas determined.
18. A non-transitory computer-readable medium storing a program that causes a computer to execute image processing, the image processing comprising:
receiving an image;
extracting a portion having been additionally written in the received image;
determining a plurality of areas to be concealed in the received image based on the extracted portion;
reading out sizes of the plurality of areas determined;
converting the plurality of areas determined;
determining sizes of concealing images based on the sizes of the plurality of areas read out;
generating the concealing images in the determined sizes; and
concealing the plurality of areas determined in the received image using the generated concealing images, each of which has a same size
wherein:
the determining the plurality of areas comprises determining the plurality of areas for respective character strings, and
the concealing images each have the same size for each respective character string.
19. A non-transitory computer-readable medium storing a program that causes a computer to execute image processing, the image processing comprising:
receiving an image;
extracting a portion having been additionally written in the received image;
determining a plurality of areas to be concealed in the received image based on the extracted portion;
reading out sizes of the plurality of areas determined;
converting the plurality of areas determined;
determining sizes of concealing images based on the sizes of the plurality of areas read out;
generating the concealing images in the determined sizes; and
concealing the plurality of areas determined in the received image using the generated concealing images, each of which has a same size,
wherein the sizes of the plurality of areas determined include widths of the plurality of the areas determined.
20. An image processing apparatus comprising:
an image receiving unit that receives an image;
an extraction unit that extracts a portion having been additionally written in the image received by the image receiving unit;
a determination unit that determines a plurality of areas to be concealed in the received image based on the additionally written portion extracted by the extraction unit;
an area conversion unit that reads out sizes of the plurality of areas determined by the determination unit and that converts the plurality of areas determined by the determination unit; and
an image concealing unit that (i) determines sizes of concealing images based on the sizes of the plurality of areas read out by the area conversion unit, (ii) generates the concealing images in the determined sizes and (iii) conceals the plurality of areas determined by the determination unit in the received image using the generated concealing images, each of which has a same size,
wherein:
the image concealing unit determines a largest size or a smallest size, among the sizes of the plurality of areas read out by the area conversion unit, to be the sizes of the concealing images, and
the image concealing unit generates the concealing images in the determined largest size or smallest size, respectively.