1. A processing device which obtains distance information of a subject, comprising:
a calculation unit configured to calculate the distance information of the subject from a difference in blur degree of a plurality of images photographed by an imaging optical system;
a correcting unit configured to correct the distance information using correction data in accordance with an image height in the imaging optical system; and
an extraction unit configured to extract at least one frequency component from each of the plurality of images, wherein
the calculation unit calculates the distance information from a difference in blur degree in the plurality of images in the at least one frequency component; and
the correcting unit corrects the distance information using correction data in accordance with an image height in the at least one frequency component.
2. The processing device according to claim 1, wherein:
the extraction unit extracts a plurality of frequency components;
the calculation unit calculates a plurality of pieces of the distance information from the difference in blur degree of the plurality of images in each frequency component; and
the correcting unit corrects each of a plurality of pieces of the distance information using correction data in accordance with an image height in each frequency component.
3. The processing device according to claim 2, further comprising an integration unit configured to integrate a plurality of pieces of corrected distance information.
4. The processing device according to claim 3, wherein:
the plurality of frequency components have relatively high frequency components and relatively low frequency components; and
the integration unit integrates, into a piece of distance information, distance information located relatively closer to the focus position using distance information of the high frequency component and distance information relatively farther from the focus position using distance information of the low frequency component.
5. The processing device according to claim 1, wherein the calculation unit calculates the distance information in at least one color of red, green and blue.
6. The processing device according to claim 5, wherein the calculation unit further includes a chromatic aberration correcting unit configured to calculate the distance information in a plurality of colors of red, green and blue and correct chromatic aberration of magnification of distance information in each of the plurality of colors.
7. The processing device according to claim 6, further comprising an integration unit configured to integrate a plurality of pieces of distance information of which chromatic aberration of magnification has been corrected.
8. The processing device according to claim 7, wherein the integration unit calculates an average value of a plurality of pieces of distance information.
9. The processing device according to claim 1, wherein the correction data in accordance with the image height is data that makes an original position of a defocus position offset.
10. The processing device according to claim 1, wherein the correction data in accordance with the image height is data that corrects a gradient of a defocus position.
11. An image pickup device, comprising
an imaging optical system and
the processing device according to claim 1.
12. A processing method, comprising:
a calculating process in which the distance information of the subject is calculated from a difference in blur degree of a plurality of images photographed by an imaging optical system;
a correcting process in which the distance information is corrected using correction data in accordance with an image height in the imaging optical system; and
an extraction process in which at least one frequency component is extracted from each of the plurality of images, wherein
in the calculating process, the distance information is calculated from a difference in blur degree in the plurality of images in the at least one frequency component; and
in the correcting process, the distance information is corrected using correction data in accordance with an image height in the at least one frequency component.
13. The processing method according to claim 12, wherein:
in the extraction process, a plurality of frequency components are extracted;
in the calculating process, a plurality of pieces of the distance information are calculated from a difference in blur degree of the plurality of images in each frequency component; and
in the correcting process, each of a plurality of pieces of distance information is corrected using correction data in accordance with image height in each frequency component.
14. The processing method according to claim 13, further comprising an integrating process in which the plurality of pieces of corrected distance information are integrated.
15. The processing method according to claim 12, wherein, in the calculating process, the distance information in at least one color of red, green and blue is calculated.
16. The processing method according to claim 15, further comprising a chromatic aberration correcting process in which the distance information in a plurality of colors of red, green and blue is calculated and chromatic aberration of magnification of distance information in each of the plurality of colors is corrected.
17. The processing method according to claim 16, further comprising an integrating process in which a plurality of pieces of distance information of which chromatic aberration of magnification has been corrected is integrated.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. Holder (1) for packaged products, comprising an elongate profiled beam, which beam comprises a first, substantially continuous longitudinal recess (3) in which, as seen in cross-section, an outer end (7) of at least one packaging (6) can be fixed in form-retaining or form-fitting manner, in addition to connecting means (2, 4) with which two substantially identical, mutually parallel holders (1) can be connected against each other.
2. Holder (1) as claimed in claim 1, wherein the connecting means (2, 4) comprise a substantially longitudinal protruding part (4) and a second substantially continuous longitudinal recess (2), which protruding part (4) can, as seen in cross-section, be connected in form-retaining or form-fitting manner in the second longitudinal recess (2) of another substantially identical holder (1).
3. Holder as claimed in claim 2, wherein the protruding part (4) and the second recess (2) extend on two opposite sides of the holder (1).
4. Holder as claimed in claim 2, wherein the first recess (3) extends on another side of the holder, wherein the opening of the first recess (3) points substantially in the same direction as or in opposite direction to the opening of the second recess (2).
5. Holder as claimed in claim 2, wherein the protruding part (4) and the second recess (2) are formed such that the protruding part (4) of a first holder (1) can slide in longitudinal direction into the second recess (2) of a second holder (1).
6. Holder as claimed in claim 1, wherein said holder comprises clamping means for clamping the outer end (17) of at least one packaging (6) in the recess (3).
7. Method for holding together packaged products for transport, storage or for displaying the products at a retail outlet, wherein first outer ends (7) of substantially identical packagings (6) of a product are fixed in a first holder (1) as claimed in claim 1, and wherein second outer ends (7) of the packagings (6) are fixed in a second holder (1) as claimed in claim 1.
8. Method as claimed in claim 7, wherein at least two (pairs of) holders (1) are connected to each other.
9. Method as claimed in claim 7, wherein the holders (1) are connected to each other such that the first recesses (3) are situated on sides facing in the same direction.
10. Method as claimed in claim 7, wherein the holders (1) are connected to each other such that the holders (1) with the packagings (6) fixed therein substantially form a stacked structure.
11. Method as claimed in claim 10, wherein the dimensions of the holders (1) are such that in the stacked structure the products are situated at a mutual distance.
12. Method as claimed in claim 10, wherein the stacked structure is placed in a transporting device, a storage device or a display device.
13. Method as claimed in claim 10, wherein the holders (1) connected to each other in a stacked structure are removed simultaneously in substantially one movement, such that after removal of the holders (1) the products remain lying in a compact stacked formation.
14. Method as claimed in claim 7, wherein the holders (1) are connected to each other such that the first recesses (3) are situated on sides facing in opposite directions.
15. Method as claimed in claim 7, wherein the holders (1) are mutually connected in twos such that the holders (1) with the packagings (6) fixed therein substantially form a flat structure.
16. Method as claimed in claim 15, wherein the flat structure is suspended in a transporting device, a storage device or a display device.
17. Method as claimed in claim 15, wherein the individual packagings (6) are printed and placed in the holders (1) such that they together form an image or characters.
18. Method as claimed in claim 7, wherein the packagings (6) which are fixed to a holder (1) contain different types of product.
19. Method as claimed in claim 7, wherein the packaged products are removed substantially one by one from the holder (1) by means of mechanical removal means.
20. Method as claimed in claim 7, wherein the outer end (7) of at least one packaging (6) is clamped in the recess (3).