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Light-measuring device diagnostics for the photometric and colorimetric measurement of flying-spot displays
2001
Flat Panel Display Technology and Display Metrology II
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and colorimetric output. ...
A series of diagnostics has been developed that allows for an evaluation of LMDs for use in measuring flying-spot displays. ...
the two displays matched (see Table 1 ). ...
doi:10.1117/12.424877
fatcat:lkewghlqpbdwhhf2sz3teilh2u
Determination of phosphate using a highly sensitive paired emitter–detector diode photometric flow detector
2007
Analytica Chimica Acta
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The use of a novel inexpensive photometric device, Paired Emitter Detector Diode (PEDD) has been applied to the colorimetric determination of phosphate using the malachite green spectrophotometric method ...
The optical flow cell was constructed from two LEDs, whereby one is the light source and the second is the light detector, with the LED light source forward biased and the LED detector reversed biased. ...
Acknowledgements The authors wish to thank Science Foundation Ireland SFI for grant support under the ...
doi:10.1016/j.aca.2007.06.048
pmid:17683741
fatcat:dkjwhdhomjevpktagt7ijcctj4
New Products
1959
Science
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of science; foundations of probability and induction; methodology and philosophy of physical sciences; methodology and philosophy of biological and psychological sciences; methodology and philosophy of ...
social sciences; methodology and philosophy of linguistics; methodology and philosophy of historical sciences; and history of logic, methodology, and philosophy of science. ...
The instrument separates the amino acids, carries out the Ninhydrin reaction on the effluent, and records the optical density photometrically. Temperature is controlled within ±0.2°C. ...
doi:10.1126/science.130.3375.576
fatcat:o4ianlny3bf7bic5ahe6u3lz6e
Dynamic pH mapping in microfluidic devices by integrating adaptive coatings based on polyaniline with colorimetric imaging techniques
2013
Lab on a Chip
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This work also features an innovative detection 10 system for spatial localisation of chemical pH gradients along microfluidic channels through the use of a low cost optical device. ...
Specifically, the use of a microfluidic channel coated with polyaniline is shown to respond colorimetrically to pH and that effect is detected by the detection system, even when pH gradients are induced ...
Acknowledgements 40 The project has been carried out with the support of the Irish Research Council (IRC) -Embark Initiative and Science Foundation Ireland under the CLARITY initiative, grant 07/CE ...
doi:10.1039/c2lc41065f
pmid:23358572
fatcat:kkmayhhll5hybga6nhzrirrzte
Implementations of a novel algorithm for colour constancy
1997
Vision Research
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In agreement with the principles of the relativistic model proposed by Creutzfeldt et aL, with the photometric rule (lightness anchoring rule) and with the influence of simultaneous contrast in the appearance ...
The statistical stability of the descriptors for Munsell samples under different illuminants is good. ...
Acknowledgements--We thank two anonymous reviewers for their ...
doi:10.1016/s0042-6989(96)00327-6
pmid:9274768
fatcat:wwfqz26cibdwvjymaefwdkznse
Developmental validation of a point-of-care, salivary α-amylase biosensor
2011
Psychoneuroendocrinology
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Here, we describe the developmental validation and usability testing of a point-of-care, colorimetric, sAA biosensor. ...
A disposable test strip allows for streamlined sample collection and a corresponding hand-held reader with integrated analytic capabilities permits rapid analysis and reporting of sAA levels. ...
Amir Chalak and thank Dr. Najib Aziz for providing insight and expertise that greatly assisted the research. The prototype sAA biosensor units and collector strips were provide by Mr. ...
doi:10.1016/j.psyneuen.2010.07.008
pmid:20696529
pmcid:PMC2996479
fatcat:xfkpcq2o2nf65prhii4rgwerai
Methods and application for photorealistic rendering and lighting of ancient buildings
2004
Journal of Cultural Heritage
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The results of these computations are usually distributed over many sites that can be viewed by VRML and Java technology, which are well-suited for describing and visualizing geometrical models and data ...
We describe a method and its implementation for providing high quality photorealistic image synthesis of ancient building materials, considering also a final adaptation stage able to simulate the lighting ...
For this reasons its constituent materials, consisting of travertine ashlars and pudding stones are strongly degraded and only the front and the foundation have survived (see Fig. 3 ). ...
doi:10.1016/j.culher.2003.12.004
fatcat:afvqu4sfv5gp7b3lnki6ewprsi
Novel fused-LEDs devices as optical sensors for colorimetric analysis
2004
Talanta: The International Journal of Pure and Applied Analytical Chemistry
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The development of a novel, low power optical sensing platform based on light emitting diodes (LEDs) is described. ...
This sensing device has been successfully used for colour and colour-based pH measurements and offers extremely high sensitivity, enabling detection down to the sub micro molar level of dyes. ...
, computer technologies, and the wide range of synthetic reagents for colorimetric analysis have made optical and chemochromic systems a very attractive and important area of sensor research. ...
doi:10.1016/j.talanta.2003.10.034
pmid:18969415
fatcat:put56kw7pngq5mfmbpoloneody
High Dynamic Range Video
2008
Synthesis Lectures on Computer Graphics and Animation
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To avoid negative primaries and to connect colorimetric description of the light with photometric measure of luminance (see previous section), CIE introduced XY Z primaries in 1931. ...
The photometrically calibrated HDR video streams allow for the prediction of the perceptual effects such as reduced visual acuity and lack of color vision for the rod vision, motion blur and glare (see ...
doi:10.2200/s00109ed1v01y200806cgr005
fatcat:ocpa4pa7nvewbclnkzwpl4jtia
Problems in image target-based color correction
2022
IS&T International Symposium on Electronic Imaging Science and Technology
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It is shown how real scene acquisitions are subject to many issues that makes color correction process very far from the idealized colorimetric ideas. ...
We have acquired a set of images using a color checker, here we present some measures of these image before and after the color correction and we compare them with the actual values of the color checker ...
In Fig. 2 are reported results of a 'manual' CC against a SHAFT-based CC on three selected images to see how it compares colorimetrically to the reference and the SHAFT processing. ...
doi:10.2352/ei.2022.34.15.color-142
fatcat:fwboee2b4jdaflec6oji723774
Reproducing reality with a high-dynamic-range multi-focal stereo display
2021
ACM Transactions on Graphics
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Hawliau Cyffredinol / General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition ...
of accessing publications that users recognise and abide by the legal requirements associated with these rights. • Users may download and print one copy of any publication from the public portal for the ...
(EyeCode) and under the Marie Skłodowska-Curie grant agreement N • 765911 (RealVision). ...
doi:10.1145/3478513.3480513
fatcat:qgt7msh4unhqdkpaftf7vpi3ae
An Empirical Camera Model for Internet Color Vision
2009
Procedings of the British Machine Vision Conference 2009
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Images harvested from the Web are proving to be useful for many visual tasks, including recognition, geo-location, and three-dimensional reconstruction. ...
In this paper, we analyze the factors that contribute to the color output of a typical camera, and we explore the use of parametric models for relating these output colors to meaningful scenes properties ...
Support for DS was provided by NSF grants IIS-0413169 and IIS-0713442. ...
doi:10.5244/c.23.51
dblp:conf/bmvc/ChakrabartiSZ09
fatcat:rttpxpyfkbduvhy5okjam5ty44
Color science of nanocrystal quantum dots for lighting and displays
2013
Nanophotonics
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In this review, we summarize the color science of QDs for lighting and displays, and present the recent developments in QD-integrated LEDs and display research. ...
Subsequently, we discuss QD color-conversion LEDs and displays as proof-of-concept applications -a new paradigm in artificial lighting and displays. ...
careful colorimetric and photometric optimizations which depend on a deeper understanding of the color science and photometry. ...
doi:10.1515/nanoph-2012-0031
fatcat:xdwhf6zrmzg53hnyowpnr7hf3m
ImpastoR: A realistic surface display system
2015
Vision Research
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Our system, based on a desktop PC with GPU hardware, LCD display, light and position sensors, and custom graphics software, supports the photometrically accurate and visually realistic real-time simulation ...
and display of surfaces with complex color, gloss, and textural properties in real-world lighting environments, and allows users to interact with and manipulate these virtual surfaces as naturally as ...
rendering engine that simulates light/ surface interactions; display the results through a photometrically calibrated screen, and track the observer and display positions to provide natural modes of interaction ...
doi:10.1016/j.visres.2014.10.016
pmid:25449157
fatcat:7ygrbcbhurgx5oddw7cresybsq
Dynamic exposure control in color scanners
1997
Color Imaging: Device-Independent Color, Color Hard Copy, and Graphic Arts II
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This has also the advantage that artifacts due to lamp warming during slow scans (typical for color facsimile) are automatically compensated. ...
The tone range of scanners is adjusted for the lightest possible substrate. ...
The term shading correction is used also to designate the compensation for non-uniformity in the light source and in the optics 6 as well as to designate all gray level adjustments. ...
doi:10.1117/12.271623
dblp:conf/clrimg/Beretta97
fatcat:2isdvf5hgnaabo3kcb476lfqi4
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