Cerrolaza, B.

Cerrolaza, Juan J

De Smet, Herbert

Geday, MA

Otón, JM

Quintana, X

English

Ghent University Academic Bibliography

[1] Y. Igarashi, T. Yamamoto, Y. Tanaka, J. Someya, Y. Nakakura, M. Yamakawa, Y. Nishida, T. Kurita. SID’04 Digest of Technical Papers. 2004, 1262-1265.[2] Michael E. Becker. Journal of the SID. 2008, 16/10, 989-1000[3] W. Song, X. Li, Y. Zhang, Y. Qi, X. Yang. Journal of the SID. 2008, 16/5, 587-593.ACKNOWLEDGMENT: Financial support from the Comunidad Autónoma de Madrid FACTOTEM, P-ESP-000417-0505. And the Spanish Ministerio de Ciencia e Innovación project type CONSOLIDER C named “Adaptative Liquid Crystal Optical Devices (ALCOD)” TEC 2008-00147.Motion blur in video-rate displays of orthoconic antiferroelectric and V-shaped materials B. Cerrolaza1 , H. De Smet2, M. A. Geday1, X. Quintana1, Juan J. Cerrolaza3, J.M. Oton11 Dpto. Tecnología Fotónica, ETSI Telecomunicación, Universidad Politécnica de Madrid, Ciudad Universitaria, Madrid, Spain  2 ELIS-TFCG/IMEC Technologiepark 914, B9052 Gent, Belgium3 Dpto. Ingeniería Eléctrica y Electrónica. Universidad Pública de Navarra,  Pamplona, Spain Corresponding Author: bcerrolaza@tfo.upm.esWHAT IS MOTION BLUR?OUR PROPOSAL FOR MEASURING MPRT:MPRT0TWO DIFFERENT METHODSCAUSED BY:9 Slow LC response time.9 Excitation & Hold temporal rendering method of LCDs.9 Smooth pursuit eye movement of the human visual system. BlurredEdgeThe basic parameteris the BrightnessEdge WidthBEWSome Maths:N Gray LevelsM = N(N-1) Transitions9MPRT is an objective andquantitative parameter proposed forstandard characterization of MotionBlur artifact, and quantification ofthe visual perception of movingimages.9Grey to Grey (G2G) ResponseTime Curves (RTC) must be takeninto account to measure MPRT.WfmAFLCL1L2Saturation PulseZero PulseWfmNEMATICL1L2A Transition Matrix with the necessary number of frames must be constructed.At least two frames must be taken into account to construct the matrix and in the case of V-Shaped Smectic materials we have captured 5000 saples in 5 ms, it means we will have a bigger than 40000 x 40000 matrix.We can promediate the samples to compress the curves …We can use an Algorithm to calculate the diagonals of the unconstructed matrixVAN materialV-ShapedSmecticmaterial A new parameteris definedNew transition curves must be defined. All the response time curves are rising curves starting from Zero but coming from different initial grey levels (L1) beforeSaturation Pulse.   Compression MethodMPRT (ms) Vp (ppf) Compress Ratio0,01012 4 10,4180,01068 5 10,4180,01104 6 10,4180,01130 7 10,4180,01149 8 10,4180,01164 9 11,9060,01175 10 13,89Algorithm MethodMPRT (ms) Vp (ppf)0,01010 40,01066 50,01103 60,01129 70,01148 80,01162 90,01174 10cThe difference in thenumerical valuesobtained is remarkablefrom the fifth decimal

Motion blur in video-rate displays of orthoconic antiferroelectric and V-shaped materials

https://biblio.ugent.be/publication/763033/file/777978

Motion blur in video-rate displays of orthoconic antiferroelectric and V-shaped materials

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