TL;DR
This paper introduces a low-complexity system capable of precisely measuring end-to-end video delay in real-time applications, achieving sub-millisecond accuracy crucial for delay-sensitive video communication tasks.
Contribution
The paper presents a novel measurement system that automatically captures pairwise independent E2E delay measurements with high precision and low complexity.
Findings
Achieves 0.5 ms measurement precision
Sampling rate of 2kHz enables high accuracy
Suitable for delay-critical video applications
Abstract
Low delay video transmission is becoming increasingly important. Delay critical, video enabled applications range from teleoperation scenarios such as controlling drones or telesurgery to autonomous control through computer vision algorithms applied on real-time video. To judge the quality of the video transmission in such a system, it is important to be able to precisely measure the end-to-end (E2E) delay of the transmitted video. We present a low-complexity system that automatically takes pairwise independent measurements of E2E delay. The precision can be far below the millisecond order, mainly limited by the sampling rate of the measurement system. In our implementation, we achieve a precision of 0.5 milliseconds with a sampling rate of 2kHz.
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