Optica acta最新文献

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[An information psychology examination of form perception]. 形式知觉的信息心理学检验。
Optica acta Pub Date : 1968-11-01 DOI: 10.1080/713818131
H Giger, F Fankhauser
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引用次数: 1
Effect of retinal image motion on critical flicker-fusion measurement. 视网膜图像运动对临界闪烁融合测量的影响。
Optica acta Pub Date : 1968-07-01 DOI: 10.1080/713818097
D C West
{"title":"Effect of retinal image motion on critical flicker-fusion measurement.","authors":"D C West","doi":"10.1080/713818097","DOIUrl":"https://doi.org/10.1080/713818097","url":null,"abstract":"","PeriodicalId":78927,"journal":{"name":"Optica acta","volume":"15 4","pages":"317-28"},"PeriodicalIF":0.0,"publicationDate":"1968-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/713818097","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"16762064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
[Trichromasy, dichromasy, monochromasy]. 三色,二色,单色。
Optica acta Pub Date : 1968-07-01 DOI: 10.1080/713818106
H Scheibner
{"title":"[Trichromasy, dichromasy, monochromasy].","authors":"H Scheibner","doi":"10.1080/713818106","DOIUrl":"https://doi.org/10.1080/713818106","url":null,"abstract":"Mit Hilfe von mengentheoretischen Begriffen wird eine allgemeine Fassung fur das dritte Grasmannsche Gesetz (uber metamere Farben) angegeben, die fur Trichromaten, Dichromaten und Monochromaten anwendbar ist, Dabei last sich (a) der Unterschied zwischen den Farben-fehlsichtigen, deren Farbensystem eine Reduktionsform des trichromatischen Farbensystems ist, und den sogen. anomalen Farbenfehlsichtigen, (b) die Bedeutung der Persistenz der Farbgleichungen leicht beschreiben. In Struk-turdiagrammen, deren Elemente im allgemeinsten Fall Farbreiz-Mengen, Farbvalenz-Mengen und Farbenraume sind, werden die Zusammenhange dargestellt.","PeriodicalId":78927,"journal":{"name":"Optica acta","volume":"15 4","pages":"329-38"},"PeriodicalIF":0.0,"publicationDate":"1968-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/713818106","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"16385779","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
[Dichromasy as homomorphism of trichromasy]. [三色的同态二色]。
Optica acta Pub Date : 1968-07-01 DOI: 10.1080/713818100
H Scheibner
{"title":"[Dichromasy as homomorphism of trichromasy].","authors":"H Scheibner","doi":"10.1080/713818100","DOIUrl":"https://doi.org/10.1080/713818100","url":null,"abstract":"","PeriodicalId":78927,"journal":{"name":"Optica acta","volume":"15 4","pages":"339-49"},"PeriodicalIF":0.0,"publicationDate":"1968-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/713818100","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"16385780","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
A prism line-scanner for high-speed thermography. 用于高速热成像的棱镜线扫描仪。
Optica acta Pub Date : 1968-07-01 DOI: 10.1080/713818101
P J Lindberg
{"title":"A prism line-scanner for high-speed thermography.","authors":"P J Lindberg","doi":"10.1080/713818101","DOIUrl":"https://doi.org/10.1080/713818101","url":null,"abstract":"Thermographic instruments using single-element line scanning usually have very low line frequencies in comparison with television. To meet the requirements for higher frame rates in thermography and infra-red viewing a line scanner with an indium antimonide detector and a rotating germanium prism has been designed. It produces heat images with 100 lines per frame on a television-type display tube at a flicker-free frame rate. The sweep efficiency of the scanning system is almost 100 per cent. The optical aberrations introduced by the scanning prism are analysed and found to be at a minimum when the refractive index lies between 3 and 4. Examples of heat pictures taken with different modes of operation are given.","PeriodicalId":78927,"journal":{"name":"Optica acta","volume":"15 4","pages":"305-16"},"PeriodicalIF":0.0,"publicationDate":"1968-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/713818101","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"16762062","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Fixation and perception. 固定和感知。
Optica acta Pub Date : 1968-05-01 DOI: 10.1080/713818090
J D Mollon
{"title":"Fixation and perception.","authors":"J D Mollon","doi":"10.1080/713818090","DOIUrl":"https://doi.org/10.1080/713818090","url":null,"abstract":"Boyce and West [3] have recently recorded eye-position while subjects were instructed to fixate successively the apices of the two Miller-Lyer figures. Provided that the two figures were simultaneously present in the visual field, the separation of the mean fixation points during observation of the underestimated figure was found to be significantly less than the corresponding distance recorded during inspection of the overestimated one. Boyce and West conclude that they have demonstrated an effect of perception upon fixation. A very similar experiment was performed by Delabarre in 1897 and is described in his preliminary note \" A Method of Recording Eye Movements\" [4]. Delabarre's apparatus, though relatively primitive, and his results, though never reported in detail, were very comparable to those of Boyce and West. Initially he employed an optical-lever system, recording directly on to a photographic plate, but difficulties with the plate led him to settle on a mechanical method. Delabarre [4, 5] considered that he had shown an effect of fixation upon perception. Effects of both duration and locus of fixation upon perception, and in particular upon the magnitude of the geometrical illusions, have been reported [9, 12,15, 17], and it is probable that causality is present in both directions, but the persistence of the classical distortions in after-images, and with tachistoscopic or stabilized presentation [10, 13], renders implausible a primary explanation of the geometrical illusions in terms of eye-movement or eye-position. There remains the third possibility that the fixational effect is causally independent of the perceptual distortion. Boyce and West themselves considered the hypothesis that the fixation control mechanism seeks the position at which maximum information may be secured, and attempted by their second experiment to exclude this possibility. They state, without discussion, that the Mifiller-Lyer illusion is destroyed when each figure is observed alone. Repeating their measurements with only the fixated figure present in the visual field they found that there was now no difference in the distances between the mean fixation points. This second finding would seem strong evidence against any hypothesis proposing the independence of the perceptual and fixational anomalies. Yet the suggestion that the perceptual target differs from the geometrical target only when the second figure is present is a curious and unsubstantiated one. How far, spatially and temporally, may the second figure be removed Correspondence before interaction ceases and the illusion is abolished? Must the subject, during fixation, make continual comparison between …","PeriodicalId":78927,"journal":{"name":"Optica acta","volume":"15 3","pages":"295-7"},"PeriodicalIF":0.0,"publicationDate":"1968-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/713818090","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"16737228","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Reply to "fixation and perception". 回复“固着与感知”。
Optica acta Pub Date : 1968-05-01 DOI: 10.1080/713818086
P R Boyce, D C West
{"title":"Reply to \"fixation and perception\".","authors":"P R Boyce, D C West","doi":"10.1080/713818086","DOIUrl":"https://doi.org/10.1080/713818086","url":null,"abstract":"","PeriodicalId":78927,"journal":{"name":"Optica acta","volume":"15 3","pages":"299-300"},"PeriodicalIF":0.0,"publicationDate":"1968-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/713818086","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"16737225","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The saturation of rod receptors. 杆状受体的饱和。
Optica acta Pub Date : 1968-05-01 DOI: 10.1080/713818089
P Gaunt
{"title":"The saturation of rod receptors.","authors":"P Gaunt","doi":"10.1080/713818089","DOIUrl":"https://doi.org/10.1080/713818089","url":null,"abstract":"If it is assumed that the excitable tissue immediately associated with a rod receptor may generate impulses when light quanta are absorbed, then it follows that there is an upper limit to the number of impulses generated by each rod of ∼1/τ, where τ is the refractory period of the excitable tissue. Two possible modes of excitation are investigated. In the first, analogous to a Geiger counter of dead time τ, it is assumed that quanta absorbed during the refractory period delay recovery for a further time τ and this leads to a situation in which an increase in stimulus reduces the output of the rod beyond saturation. In the second, where the dead time is not prolonged by absorption during the refractory period, the output approaches asymptotically to the limit of 1/ τ as the stimulus is increased. Psychophysical increment threshold curves cannot distinguish between the two models but it is shown that ERG results in monkey and man can be fitted using the invariant refractory period model if equilibrium bleac...","PeriodicalId":78927,"journal":{"name":"Optica acta","volume":"15 3","pages":"287-93"},"PeriodicalIF":0.0,"publicationDate":"1968-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/713818089","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"16058837","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
[The aberrations of human eyes and their measurements]. [人眼的像差及其测量]。
Optica acta Pub Date : 1968-01-01 DOI: 10.1080/713818061
H Schober, H Munker, F Zolleis
{"title":"[The aberrations of human eyes and their measurements].","authors":"H Schober, H Munker, F Zolleis","doi":"10.1080/713818061","DOIUrl":"https://doi.org/10.1080/713818061","url":null,"abstract":"Es werden die bisher in der Literatur angegebenen Methoden zur Bestimmung der Aberrationen des Auges besprochen. Es zeigt sich dabei, dass unter schiedliche Verfahren nicht nur mit unterschiedlicher Genauigkeit arbeiten, sondern auch prinzipiell verschiedene Ergebnisse fur ein und denselben Fall liefern konnen. Wir schlagen vor beim Auge nach Helmholtz statt von spharischer von monochromatischer Aberration zu sprechen. Das Koinzidenzprinzip, sowie ein nach diesem Prinzip gebautes Gerat werden eingehend beschrieben. An je einem Messbeispiel wird die Abhangigkeit der monochromatischen Aberration von der Akkommodationslage (bei 0,3; 1,3 und 2,3 dpt) und von der Wellenlange (bei 5 Wellenlangen) gezeigt. Zum Abschluss werden die Grenzen der Messgenauigkeit diskutiert.","PeriodicalId":78927,"journal":{"name":"Optica acta","volume":"15 1","pages":"47-57"},"PeriodicalIF":0.0,"publicationDate":"1968-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/713818061","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"16385658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 28
[Actual and apparent size of the pupil of the human eye]. [人眼瞳孔的实际大小和表观大小]。
Optica acta Pub Date : 1967-07-01 DOI: 10.1080/713818034
E Alexandridis, C Baumann
{"title":"[Actual and apparent size of the pupil of the human eye].","authors":"E Alexandridis, C Baumann","doi":"10.1080/713818034","DOIUrl":"https://doi.org/10.1080/713818034","url":null,"abstract":"","PeriodicalId":78927,"journal":{"name":"Optica acta","volume":"14 3","pages":"311-6"},"PeriodicalIF":0.0,"publicationDate":"1967-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/713818034","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"17114699","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
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