Manufacturing light field prints
Techniques for manufacturing a light field print using a printing press. The techniques include: identifying at least one characteristic of the printing press at least in part by printing at least one calibration pattern; obtaining content to be rendered using the light field print, the content comprising multiple scene views; generating, based at least in part on the content and the at least one characteristic of the printing press, a front target pattern and a back target pattern; and using the printing press to: print the front target pattern on a first side of a substrate; and print the back target pattern on a second side of the substrate.
1. A method of manufacturing a light field print using a printing press, the method comprising:
identifying at least one characteristic of the printing press at least in part by printing at least one calibration pattern using the printing press;
generating, based at least in part on content to be rendered using the light field print and the at least one characteristic of the printing press, a front target pattern and a back target pattern; and
using the printing press to:
print the front target pattern on a first side of a substrate; and
print the back target pattern on a second side of the substrate.
2. The method of claim 1 , wherein identifying the at least one characteristic of the printing press comprises identifying at least one characteristic selected from the group consisting of: achievable registration tolerance in at least one direction along the substrate, a degree of alignment of the printing press, minimum line width in at least one direction along the substrate, spectral attenuation of the substrate without ink thereon, spectral attenuation of an ink on the substrate, spectral attenuation of a combination of inks on the substrate, and dot gain.
3. The method of claim 2 , further comprising identifying at least one characteristic selected from the group consisting of: resolution of the printing press, resolution of a platesetter associated with the printing press, thickness of the substrate, index of refraction for the substrate, and flexo distortion factor for the printing press.
4. The method of claim 1 , wherein the identifying comprises:
identifying one or more values indicative of a dot gain for at least one color channel of the printing press using a printed version of the at least one calibration pattern.
5. The method of claim 4 ,
wherein the at least one calibration pattern includes a set of oriented line sweeps for each of multiple different color channels of the printing press; and
wherein the identifying comprises identifying a dot gain for each of the color channels of the printing press using the printed version of the set of oriented line sweeps that was printed by the printing press.
6. The method of claim 5 ,
wherein the at least one calibration pattern includes a first set of oriented line sweeps for a first color channel of the printing press, wherein the first set of oriented line sweeps includes a first patch of lines with a first spacing and a second patch of lines with a second spacing different from the first spacing, and
wherein the at least one calibration pattern includes a second set of oriented line sweeps for a second color channel of the printing press, wherein the second set of oriented line sweeps includes a third patch of lines with the first spacing and a fourth patch of lines with the second spacing.
7. The method of claim 1 , wherein the identifying comprises:
identifying a degree of alignment of the printing press using a printed version of the at least one calibration pattern that was printed by the printing press, wherein the at least one calibration pattern includes at least one alignment mark designed to indicate front-back misalignment of the printing press.
8. The method of claim 1 , wherein the content comprises a plurality of scene views, and wherein generating the front and back target patterns comprises:
generating initial front and back target patterns using the plurality of scene views; and
obtaining the front and back target patterns at least in part by modifying the initial front and back target patterns using the identified at least one characteristic to compensate for effects of dot gain.
9. The method of claim 1 , wherein the first side of the substrate and the second side of the substrate are a same side of the substrate, and wherein using the printing press to print the front and back target patterns further comprises printing a clear varnish layer between the front and back target patterns.
10. The method of claim 1 , wherein generating the front target pattern and the back target pattern comprises generating the front target pattern using the content and the back target pattern using the at least one characteristic of the printing press.
11. The method of claim 1 , wherein generating the front target pattern comprises using the content and the at least one characteristic of the printing press, and wherein generating the back target pattern comprises using the content and the at least one characteristic of the printing press.
12. The method of claim 1 , wherein the content comprises a view of a synthetic scene.
13. A method of manufacturing a light field print using a printing press, the method comprising:
identifying at least one characteristic of the printing press using information obtained by printing at least one calibration pattern using the printing press or another printing press of a same type as the printing press;
generating, based at least in part on the content to be rendered using the light field print and the at least one characteristic of the printing press, a front target pattern and a back target pattern; and
using the printing press to:
print the front target pattern on a side of a first substrate; and
print the back target pattern on a side of a second substrate.
14. The method of claim 13 , wherein the content comprises a view of a synthetic scene.
15. The method of claim 13 , wherein the first substrate and the second substrate are a same substrate, wherein using the printing press to print the front and back target patterns comprises printing the front and back target patterns on different sides of the same substrate.
16. A method of manufacturing a light field print using a printing press, the method comprising:
obtaining information specifying at least one characteristic of the printing press, the information obtained by printing at least one calibration pattern using the printing press or another printing press of a same type as the printing press;
generating, based at least in part on the content to be rendered using the light field print and the at least one characteristic of the printing press, a front target pattern and a back target pattern; and
causing the printing press to:
print the front target pattern on a side of a first substrate; and
print the back target pattern on a side of a second substrate.
17. The method of claim 16 , wherein the causing comprises sending the front target pattern and the back target pattern to the printing press.
18. The method of claim 16 , wherein causing the printing press to print the front and back target patterns further comprises causing the printing press to print a rear layer that includes a flood fill ink.
19. The method of claim 16 , wherein the first substrate and the second substrate are a same substrate.
20. The method of claim 16 , wherein causing the printing press to print the front and back target patterns further comprises causing the printing press to print a clear varnish layer between the front and the back target patterns.