Anti-aliasing in image recording and display hardware: lessons from nature
(2004) In Journal of Optics. A, Pure and Applied Optics 6(8). p.743-748- Abstract
- If images are undersampled during electronic recording and reproduction, regular patterns in the image may form interference patterns-aliases-with the mosaic of picture elements (pixels). Aliasing distorts visual information and is a serious technical problem. In a variety of animal eyes, images are also undersampled such that aliasing may occur. Nature's measures to reduce aliasing include (i) mosaics of photosensitive cells (pixels in technical applications) that include many spatial frequencies and are different in geometry for the basic colours red, green, and blue, (ii) electrical coupling between cells of different spectral sensitivities, and (iii) overlap between the spectral sensitivities of different cell types. Computer simulated... (More)
- If images are undersampled during electronic recording and reproduction, regular patterns in the image may form interference patterns-aliases-with the mosaic of picture elements (pixels). Aliasing distorts visual information and is a serious technical problem. In a variety of animal eyes, images are also undersampled such that aliasing may occur. Nature's measures to reduce aliasing include (i) mosaics of photosensitive cells (pixels in technical applications) that include many spatial frequencies and are different in geometry for the basic colours red, green, and blue, (ii) electrical coupling between cells of different spectral sensitivities, and (iii) overlap between the spectral sensitivities of different cell types. Computer simulated renderings of images show that the measures are effective. Technical implementation seems to be possible in a variety of applications, such as cameras, television sets, scanners, monitors, data projectors, and digital photocopying machines. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/268455
- author
- Kröger, Ronald LU
- organization
- publishing date
- 2004
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- fish retina, pixel mosaic, aliasing, image recording, image reproduction
- in
- Journal of Optics. A, Pure and Applied Optics
- volume
- 6
- issue
- 8
- pages
- 743 - 748
- publisher
- IOP Publishing
- external identifiers
-
- wos:000223540500001
- scopus:4043139377
- ISSN
- 1741-3567
- DOI
- 10.1088/1464-4258/6/8/001
- language
- English
- LU publication?
- yes
- id
- b30b6819-5d79-4f27-b228-a1070c5c23c9 (old id 268455)
- date added to LUP
- 2016-04-01 11:48:46
- date last changed
- 2024-02-23 08:49:20
@article{b30b6819-5d79-4f27-b228-a1070c5c23c9, abstract = {{If images are undersampled during electronic recording and reproduction, regular patterns in the image may form interference patterns-aliases-with the mosaic of picture elements (pixels). Aliasing distorts visual information and is a serious technical problem. In a variety of animal eyes, images are also undersampled such that aliasing may occur. Nature's measures to reduce aliasing include (i) mosaics of photosensitive cells (pixels in technical applications) that include many spatial frequencies and are different in geometry for the basic colours red, green, and blue, (ii) electrical coupling between cells of different spectral sensitivities, and (iii) overlap between the spectral sensitivities of different cell types. Computer simulated renderings of images show that the measures are effective. Technical implementation seems to be possible in a variety of applications, such as cameras, television sets, scanners, monitors, data projectors, and digital photocopying machines.}}, author = {{Kröger, Ronald}}, issn = {{1741-3567}}, keywords = {{fish retina; pixel mosaic; aliasing; image recording; image reproduction}}, language = {{eng}}, number = {{8}}, pages = {{743--748}}, publisher = {{IOP Publishing}}, series = {{Journal of Optics. A, Pure and Applied Optics}}, title = {{Anti-aliasing in image recording and display hardware: lessons from nature}}, url = {{http://dx.doi.org/10.1088/1464-4258/6/8/001}}, doi = {{10.1088/1464-4258/6/8/001}}, volume = {{6}}, year = {{2004}}, }