Análisis y evaluación del formato de comprensión de video H.265/HEVC en sistemas de video vigilancia IP.

Abstract

The degree work has as objective the analysis and evaluation of the H.265 / HEVC compression format in an IP video surveillance system; the problems that arise in these systems are storage and bandwidth; to reduce these problems, the H.265 / HEVC video compression format was used, a simulator of a developer brand of electronic security systems Hikvision is used, where an IP video surveillance system was developed, using 8 security cameras model: DS-2CD2125FHWD-IS, with a resolution of 2 megapixels and that has the video encoding feature with the H.264 / AVC and H.265 / HEVC formats and an NVR Network Video Recorder Model: DS-7608NI-K2 / 8P, which supports all eight cameras. The connection between the cameras and the NVR was made with a UTP cable that supports a bandwidth of up to 100 Mbps. For the analysis and evaluation, the results obtained with the two compression formats have been taken, varying the frames per second FPS between 15 and 60 fps. In the simulation, the configuration parameters of the cameras are changed to establish the variation in bandwidth, storage space and bit rate. It is concluded that the H.265 / HEVC video compression standard has managed to reduce 50% of storage space compared to its H.264 / AVC predecessor in an IP video surveillance system, and has also managed to reduce the bandwidth used by each surveillance camera. It should also be considered that H.265 / HEVC requires greater computational resources for decoding in the NVR for both real-time viewing and recording playback. It is recommended that IP video surveillance systems that support the H.265 / HEVC compression format be used for the design and implementation of infrastructure projects.