Image processing apparatus, image processing method, and computer program product for image processing
To improve modification result where areas targeted for modification overlap, an image processing apparatus is provided. The image processing apparatus has a modification area establishing unit capable to establish a plurality of modification areas on a target image by analyzing the target image; an overlap detecting unit that detects overlapping of the plurality of modification areas; and a modification processing unit that modifies an image within a partial area including an overlapping portion of the plurality of modification areas in a reduced modification level in the case that the overlapping is detected by the overlap detecting unit, the reduced modification level being smaller than a modification level used in the case that the overlapping is not detected, the partial area belonging to at least one of the plurality of modification areas.
1. An image processing apparatus comprising:
a modification area establishing unit capable to establish a plurality of modification areas on a target image by analyzing the target image; and
a modification processing unit that modifies an image within at least one of the plurality of modification areas, wherein
each of the plurality of modification areas is established based on a human face in the target image, and
the modification processing unit reduces a modification level for the at least one of the plurality of modification area areas in a case that a human face in one of the modification areas corresponding to one human face overlaps a human face in another one of the modification areas corresponding to another human face.
2. The image processing apparatus according to claim 1 wherein
the modification processing unit carries out modification of the image within the at least one of the plurality of modification areas through modification of a plurality of sub-areas generated by dividing the at least one of the plurality of modification areas, and
the modification processing unit reduces the modification level for a sub-area that overlaps a human face where an overlap occurs.
3. The image processing apparatus according to claim 1 wherein the modification processing unit sets the modification level of an area in which two human faces an overlap each other within the modification areas occurs to zero so as not to modify the area.
4. The image processing apparatus according to claim 1 wherein the modification area establishing unit establishes an area including images of a plurality of organs of each human face as each of the plurality of modification areas.
5. An image processing method comprising:
(a) analyzing a target image and establishing a plurality of modification areas on the target image; and
(b) modifying an image within at least one of the plurality of modification areas, wherein
each of the plurality of modification areas is established based on a human face in the target image, and
a modification level is reduced for the at least one of the plurality of modification area areas in a case that a human face in one of the modification areas corresponding to one human face overlaps a human face in another one of the modification areas corresponding to another human face.
6. The image processing method according to claim 5 , further comprising:
dividing the at least one of the plurality of modification areas into a plurality of sub-areas;
modifying the image by modifying the plurality of sub-areas; and
reducing the modification level for a sub-area that overlaps a human face where an overlap occurs.
7. The image processing method according to claim 5 , further comprising:
setting the modification level of an area in which two human faces an overlap each other within the modification areas occurs to zero so as not to modify the area.
8. The image processing method according to claim 5 , further comprising:
establishing an area including images of a plurality of organs of each human face as each of the plurality of modification areas.
9. A computer program product for image processing comprising:
a non-transitory computer-readable medium; and
a computer program stored on the non-transitory computer-readable medium that includes:
a first computer program for causing a computer to analyze a target image and to establish a plurality of modification areas on the target image; and
a second computer program for causing the computer to modify an image within at least one of the plurality of modification areas, wherein
each of the plurality of modification areas is established based on a human face in the target image, and
a modification level is reduced for the at least one of the plurality of modification area areas in a case that a human face in one of the modification areas corresponding to one human face overlaps a human face in another one of the modification areas corresponding to another human face.
10. The computer program product according to claim 9 , wherein
modification of the image is carried out within the at least one of the plurality of modification areas through modification of a plurality of sub-areas generated by dividing the at least one of the plurality of modification areas, and
the modification level is reduced for a sub-area that overlaps a human face where an overlap occurs.
11. The computer program product according to claim 9 , wherein the modification level of an area in which two human faces an overlap each other within the modification areas is occurs to zero so as not to modify the area.
12. The computer program product according to claim 9 , wherein an area including images of a plurality of organs of each human face is established as each of the plurality of modification areas.