Results 11 to 20 of about 2,554 (252)

From Light Pulses to Selective Enhancement: Performance Analysis of Event-Based Object Detection Under Pulsed Automotive Headlight Illumination [PDF]

open access: yesSensors
Pulse-width-modulated (PWM) automotive headlights enhance nighttime event-based camera detection, yet systematic parameter optimization for vulnerable road user detection remains unexplored.
Leonard Haensel, Torsten Bertram
doaj   +2 more sources

Advanced Detection of Failed LEDs in a Short Circuit for Automotive Lighting Applications [PDF]

open access: yesSensors
This paper addresses the issue of LED short-circuit fault detection in signaling and lighting systems in the automotive industry. The conventional diagnostic method commonly implemented in newer vehicles relies on measuring the voltage drop across ...
Jose R. Martínez-Pérez   +5 more
doaj   +2 more sources

Development of Free Fall Drop Tester for Electronic Components [PDF]

open access: yes한국정밀공학회지, 2020
In this study, a free-fall drop tester was studied to test the impact reliability of small electronic components. The electronic component was fixed to the drop table and the table was fallen along guide rods.
In Jun Jung   +2 more
doaj   +1 more source

Hybrid Approach for Facial Expression Recognition Using Convolutional Neural Networks and SVM

open access: yesApplied Sciences, 2022
Facial expression recognition is very useful for effective human–computer interaction, robot interfaces, and emotion-aware smart agent systems. This paper presents a new framework for facial expression recognition by using a hybrid model: a combination ...
Jin-Chul Kim   +4 more
doaj   +1 more source

Study on Energy-saving Lighting Design Method for Interior Zone of High-altitude Highway Tunnel [PDF]

open access: yesE3S Web of Conferences, 2020
In order to ensure the driving safety of high-altitude highway tunnel and effectively reduce the lighting cost, this paper adopts the method considering the influence of automobile headlights luminance which combines reaction time incremental theory at ...
Li Qi   +6 more
doaj   +1 more source

Dual-separated cooling channel performance evaluation for high-power led Pcb in automotive headlight

open access: yesCase Studies in Thermal Engineering, 2021
In this paper, thermal and hydraulic analysis of a dual-separated cooling channel was performed for the cooling applications of different automotive lighting systems.
Gökhan Sevilgen   +2 more
doaj   +1 more source

Numerical investigation of the effect of different heat sink fin structures on the thermal performance of automotive LED headlights

open access: yesInternational Journal of Automotive Science and Technology, 2022
With the developing technology, the automotive lighting sector is also changing rapidly. Automotive lighting equipment is produced with more functionality and higher performance.
Seyfi Şevik   +2 more
doaj   +1 more source

A Preliminary Anti-Glare System for Traffic Vehicles Using Polarizing Filters and a Polarizing Flip Plate

open access: yesApplied Sciences, 2023
In the past, polarizing filters were attached to cars’ halogen headlights to reduce glare for other vehicles. However, the filters absorbed a significant amount of light and made it difficult for drivers to see properly.
Nghia Phan Trong Nguyen   +3 more
doaj   +1 more source

Determination of Speed-Dependent Roadway Luminance for an Adequate Feeling of Safety at Nighttime Driving

open access: yesVehicles, 2021
The purpose of this work is to determine as a function of velocity the minimal roadway luminance that is required to be judged as being bright enough for a driver to perform a nighttime driving task with an adequate feeling of safety. In this context, it
Anil Erkan   +5 more
doaj   +1 more source

Saccadic eye movement speed is related to variations in phantom array effect visibility

open access: yesScientific Reports, 2023
The phantom array effect is one of the temporal light artefacts that can decrease performance and increase fatigue. The phantom array effect visibility shows large individual differences; however, the dominant factors that can explain these individual ...
Hyeran Kang   +3 more
doaj   +1 more source

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