Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Bror O. Hultgren"'
Autor:
Dirk W. Hertel, Bror O. Hultgren
Publikováno v:
NIP & Digital Fabrication Conference. 18:189-194
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73aad490a6b3af7bafdd6b8ba662b741
https://doi.org/10.2352/issn.2169-4451.2002.18.1.art00046_1
https://doi.org/10.2352/issn.2169-4451.2002.18.1.art00046_1
Autor:
Dirk Hertel, Bror O. Hultgren
Publikováno v:
SPIE Proceedings.
Photospace data previously measured on large image sets have shown that a high percentage of camera phone pictures are taken under low-light conditions. Corresponding image quality measurements linked the lowest quality to these conditions, and subje
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b35ccb42bfa038406a1f82424cb835a
https://doi.org/10.1117/12.806003
https://doi.org/10.1117/12.806003
Autor:
Dirk Hertel, Bror O. Hultgren
Publikováno v:
SPIE Proceedings.
It is a myth that more pixels alone result in better images. The marketing of camera phones in particular has focused on their pixel numbers. However, their performance varies considerably according to the conditions of image capture. Camera phones a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::abfb44848773386c169b321d4ee1e3c9
https://doi.org/10.1117/12.766611
https://doi.org/10.1117/12.766611
Autor:
Bror O. Hultgren
Publikováno v:
SPIE Proceedings.
In a companion paper we discuss the impact of statistical variability on perceived image quality. Early in a development program, systems may not be capable of rendering images suitable for quality testing. This does not diminish the program need to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::785199551cba1e13b07596ef633c4834
https://doi.org/10.1117/12.650783
https://doi.org/10.1117/12.650783
Publikováno v:
SPIE Proceedings.
For more than thirty years imaging scientists have constructed metrics to predict psychovisually perceived image quality. Such metrics are based on a set of objectively measurable basis functions such as Noise Power Spectrum (NPS), Modulation Transfe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c02d40520500a65e1c1cec9854b566b8
https://doi.org/10.1117/12.650776
https://doi.org/10.1117/12.650776
Autor:
Bror O. Hultgren
Publikováno v:
Human Vision and Electronic Imaging: Models, Methods, and Applications.
A number of observer based objective measures of image sharpness have been proposed: Higgins, Granger, Cohen & Carison and Barten. Many of these measures, seemingly different in concept, are highly correlated with the psychovisual perception of sharp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::44efd4fd3e67450ddef9e64a5fa153e0
https://doi.org/10.1117/12.19688
https://doi.org/10.1117/12.19688
Autor:
Abner Shimony, Bror O. Hultgren
Publikováno v:
Journal of Mathematical Physics. 18:381-394
A lattice of verifiable propositions LV for a spin‐1 system is constructed by admitting only propositions which correspond to appropriate Stern–Gerlach filters. LV is a complete, orthocomplemented, weakly modular lattice, and it satisfies the fir
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2bd4b222495b03d27d5c1f6d2c5f7550
https://doi.org/10.1063/1.523280
https://doi.org/10.1063/1.523280
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