Information processing apparatus and computer readable medium
An information processing apparatus includes a processor configured to: acquire physical property information on physical properties of a recording medium and on physical properties of ink to be ejected onto the recording medium and setting information on a setting of a device configured to eject the ink onto the recording medium, the ink including a first ink and a second ink; derive a feature quantity relating to characteristics of the ink based on behavior of the first ink to be ejected onto the recording medium and of the second ink to be ejected to a position adjacent to the first ink ejected, using the physical property information and the setting information; and output information on graininess of an image to be formed on the recording medium based on the feature quantity.
1. An information processing apparatus comprising a processor configured to:
acquire physical property information on physical properties of a recording medium and on physical properties of ink to be ejected onto the recording medium and setting information on a setting of a device configured to eject the ink onto the recording medium, the ink including a first ink and a second ink;
derive a feature quantity relating to characteristics of the ink based on behavior of the first ink to be ejected onto the recording medium and of the second ink to be ejected to a position adjacent to the first ink ejected, using the physical property information and the setting information;
derive, as the behavior, a first deviation amount indicating a deviation of a position of the first ink ejected onto the recording medium, a second deviation amount indicating a deviation of a position when the first ink and the second ink overlap, and an overlapping amount indicating an amount of overlapping when the first ink and the second ink overlap;
derive the first deviation amount using a wetting and spreading width of the first ink and a contact angle of the first ink; and
output information on graininess of an image to be formed on the recording medium based on the feature quantity.
2. The information processing apparatus according to claim 1 , wherein
the processor derives, as the feature quantity, a size of a periodic ink aggregate formed by continuously overlapping the ink and a probability of forming the periodic ink aggregate.
3. The information processing apparatus according to claim 2 , wherein
the processor derives, as the behavior, a first deviation amount indicating a deviation of a position of the first ink ejected onto the recording medium, a second deviation amount indicating a deviation of a position when the first ink and the second ink overlap, and an overlapping amount indicating an amount of overlapping when the first ink and the second ink overlap.
4. The information processing apparatus according to claim 3 , wherein
the processor derives the first deviation amount using a wetting and spreading width of the first ink and a contact angle of the first ink.
5. The information processing apparatus according to claim 4 , wherein
the processor derives, as the feature quantity, a size of a periodic ink aggregate formed by continuously overlapping the inks and a probability of forming the periodic ink aggregate, and
the processor derives the probability using the first deviation amount and the overlapping amount.
6. The information processing apparatus according to claim 5 , wherein
the processor derives the size of the periodic ink aggregate using the probability and the second deviation amount.
7. The information processing apparatus according to claim 3 , wherein
the processor derives, as the feature quantity, a size of a periodic ink aggregate formed by continuously overlapping the inks and a probability of forming the periodic ink aggregate, and
the processor derives the probability using the first deviation amount and the overlapping amount.
8. The information processing apparatus according to claim 7 , wherein
the processor derives the size of the periodic ink aggregate using the probability and the second deviation amount.
9. The information processing apparatus according to claim 1 , wherein
the processor derives, as the feature quantity, a size of a periodic ink aggregate formed by continuously overlapping the inks and a probability of forming the periodic ink aggregate, and
the processor derives the probability using the first deviation amount and the overlapping amount.
10. The information processing apparatus according to claim 9 , wherein
the processor derives the size of the periodic ink aggregate using the probability and the second deviation amount.
11. The information processing apparatus according to claim 1 , wherein
the processor derives the size of the periodic ink aggregate using the probability and the second deviation amount.
12. The information processing apparatus according to claim 1 , wherein
the processor further derives a visual characteristic for evaluating perception of the ink ejected onto the recording medium using the feature quantity, derives a value indicating the graininess based on the feature quantity and the visual characteristic, and outputs the information on the graininess depending on the value indicating the graininess.
13. The information processing apparatus according to claim 12 , wherein,
in a case where the value indicating the graininess exceeds a predetermined threshold value, the processor notifies a user that a quality of the image is poor.
14. The information processing apparatus according to claim 12 , wherein,
in a case where the value indicating the graininess exceeds a predetermined threshold value, the processor derives corrected setting information with which the value indicating the graininess is lower than the predetermined threshold value and gives notice of the corrected setting information.
15. The information processing apparatus according to claim 12 , wherein,
in a case where the value indicating the graininess exceeds a predetermined threshold value, the processor corrects the setting information to achieve the value indicating the graininess equal to or lower than the predetermined threshold value.
16. The information processing apparatus according to claim 15 , wherein
the processor corrects at least one of a printing speed and an image density included in the setting information to achieve the value indicating the graininess equal to or lower than the predetermined threshold value.
17. A non-transitory computer readable medium storing a program causing a computer to execute a process for information processing, the process comprising:
acquiring physical property information on physical properties of a recording medium and on physical properties of ink to be ejected onto the recording medium and setting information on a setting of a device configured to eject the ink onto the recording medium, the ink including a first ink and a second ink;
deriving a feature quantity relating to characteristics of the ink based on behavior of the first ink to be ejected onto the recording medium and of the second ink to be ejected to a position adjacent to the first ink ejected, using the physical property information and the setting information;
deriving, as the behavior, a first deviation amount indicating a deviation of a position of the first ink ejected onto the recording medium, a second deviation amount indicating a deviation of a position when the first ink and the second ink overlap, and an overlapping amount indicating an amount of overlapping when the first ink and the second ink overlap;
deriving the first deviation amount using a wetting and spreading width of the first ink and a contact angle of the first ink; and
outputting information on graininess of an image to be formed on the recording medium based on the feature quantity.