TY - JOUR AU - Simon, Gyula AU - Vakulya, Gergely AU - Rátosi, Márk TI - The Way to Modern Shutter Speed Measurement Methods: A Historical Overview JF - SENSORS J2 - SENSORS-BASEL VL - 22 PY - 2022 IS - 5 PG - 24 SN - 1424-8220 DO - 10.3390/s22051871 UR - https://m2.mtmt.hu/api/publication/32718475 ID - 32718475 N1 - ISSN:1424-8220 LA - English DB - MTMT ER - TY - CHAP AU - Rátosi, Márk AU - Vakulya, Gergely AU - Simon, Gyula ED - IEEE, , TI - Measuring Camera Exposure Time Using Equivalent Sampling T2 - 2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) PB - Institute of Electrical and Electronics Engineers (IEEE) CY - Piscataway (NJ) SN - 9781728195391 T3 - IEEE International Instrumentation and Measurement Technology Conference (I2MTC) PY - 2021 SP - 1 EP - 6 PG - 6 DO - 10.1109/I2MTC50364.2021.9459789 UR - https://m2.mtmt.hu/api/publication/32504642 ID - 32504642 N1 - Cited By :3 Export Date: 18 November 2022 CODEN: CRIIE LA - English DB - MTMT ER - TY - JOUR AU - Rátosi, Márk AU - Simon, Gyula TI - Robust VLC Beacon Identification for Indoor Camera-Based Localization Systems JF - SENSORS J2 - SENSORS-BASEL VL - 20 PY - 2020 IS - 9 PG - 25 SN - 1424-8220 DO - 10.3390/s20092522 UR - https://m2.mtmt.hu/api/publication/31327836 ID - 31327836 N1 - Department of Computer Science and Systems Technology, University of Pannonia, Veszprém, 8200, Hungary Alba Regia Technical Faculty, Óbuda University, Székesfehérvár, 8000, Hungary nstitute for Process Systems Engineering and Sustainability, Pázmány Péter Catholic University,Budapest 1088, Hungary Export Date: 8 July 2020 Correspondence Address: Simon, G.; Alba Regia Technical Faculty, Óbuda UniversityHungary; email: simon.gyula@amk.uni-obuda.hu LA - English DB - MTMT ER - TY - JOUR AU - Simon, Gyula AU - Rátosi, Márk TI - Characterization and Measurement of Performance Properties of the UFSOOK Camera Communication Protocol JF - IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT J2 - IEEE T INSTRUM MEAS VL - 69 PY - 2020 IS - 10 SP - 7982 EP - 7989 PG - 8 SN - 0018-9456 DO - 10.1109/TIM.2020.2981219 UR - https://m2.mtmt.hu/api/publication/31327842 ID - 31327842 N1 - Cited By :1 Export Date: 4 April 2022 CODEN: IEIMA Correspondence Address: Simon, G.; Alba Regia Technical Faculty, Hungary; email: simon.gyula@amk.uni-obuda.hu LA - English DB - MTMT ER - TY - JOUR AU - Simon, Gyula AU - Zachár, Gergely AU - Vakulya, Gergely TI - Lookup: Robust and Accurate Indoor Localization Using Visible Light Communication JF - IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT J2 - IEEE T INSTRUM MEAS VL - 66 PY - 2017 IS - 9 SP - 2337 EP - 2348 PG - 12 SN - 0018-9456 DO - 10.1109/TIM.2017.2707878 UR - https://m2.mtmt.hu/api/publication/3268509 ID - 3268509 AB - A novel indoor localization system is presented, where LED beacons are utilized to determine the position of the target sensor, including a camera, an inclinometer, and a magnetometer. The beacons, which can be a part of the existing lighting infrastructure, transmit their identifiers for long distances using visible light communication techniques. The sensor is able to sense and detect the high- frequency (flicker free) code by properly undersampling the transmitted signal. The localization is performed using novel geometric and consensus-based techniques, which tolerate well measurement inaccuracies and sporadic outliers. The performance of the system is analyzed using simulations and real measurements. According to large-scale tests in realistic environments, the accuracy of the proposed system is in the low decimeter range. LA - English DB - MTMT ER - TY - JOUR AU - Dabóczi, Tamás TI - Analysis of the Distortion of Marker-Based Optical Position Measurement as a Function of Exposure Time JF - IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT J2 - IEEE T INSTRUM MEAS VL - 65 PY - 2016 IS - 9 SP - 2023 EP - 2034 PG - 12 SN - 0018-9456 DO - 10.1109/TIM.2016.2566818 UR - https://m2.mtmt.hu/api/publication/3071604 ID - 3071604 AB - Marker-based optical position measurement is investigated in this paper. If the exposure time is not very short, it might cause the blur of the marker on the image if fast movement needs to be recorded. This paper investigates the effect of blur on the center point estimate and provides a measure for the distortion to help adjust camera parameters (exposure time, aperture, and ISO sensitivity) in the case of poor lighting conditions. The distortion of the center point estimate is derived as a function of movement of the marker. It is shown that the distortion can be well modeled as integral mean of the marker center. Its distortion can be calculated, and either kept on a limited level by appropriate setting of camera parameters (measure of error is derived) or numerically compensated (inverse filtered). Simulation and measurement examples show the usefulness of the correction. LA - English DB - MTMT ER - TY - JOUR AU - Várkonyiné Kóczy, Annamária AU - Rövid, András AU - Hashimoto, T TI - Gradient-Based Synthesized Multiple Exposure Time Color HDR Image JF - IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT J2 - IEEE T INSTRUM MEAS VL - 57 PY - 2008 IS - 8 SP - 1779 EP - 1785 PG - 7 SN - 0018-9456 DO - 10.1109/TIM.2008.925715 UR - https://m2.mtmt.hu/api/publication/1300594 ID - 1300594 N1 - LA - English DB - MTMT ER -