Flammable area video code rate adjusting method and system based on artificial intelligence

Abstract

The invention relates to a flammable area video code rate adjusting method and system based on artificial intelligence. The method comprises steps of a monitoring camera image and the environment temperature of a flammable area being acquired; obtaining an environment perception segmentation map of the shot image, and performing environment evaluation on the environment perception segmentation mapto obtain an environment evaluation index value; obtaining a combustible material thermodynamic diagram, and carrying out key point analysis on the combustible material thermodynamic diagram to obtain the type of the combustible material and the quantity information of the combustible material; based on the environment evaluation indexes, the types of the combustible materials and the number of the combustible materials, obtaining a fire hazard coefficient; when the environment temperature is higher than a threshold value, a thermal imaging camera being dispatched to collect a thermal imagingimage of the inflammable area; performing fire probability analysis according to the thermal imaging image and the combustible thermodynamic diagram to obtain a fire probability evaluation value; andadjusting the video code rate according to the fire hazard coefficient and the fire probability evaluation value. According to the method, the video code rate can be accurately adjusted according tothe effective feature data in the video, and video data storage cost is reduced.

Description

technical field [0001] The invention relates to the technical fields of computer vision, artificial intelligence, and fire detection, and in particular to an artificial intelligence-based method and system for adjusting video code rates in flammable areas. Background technique [0002] The video bit rate is the number of data bits transmitted per unit time during data transmission, which affects the degree of distortion of the transmitted video and the size of the storage space, but video data usually contains a lot of redundancy, so how to use the lowest bit rate to achieve the least Distortion is a current research hotspot. [0003] In the prior art, variable bit rate technology is often used to transmit video streams to achieve the above purpose. In practice, the inventor found that the above-mentioned prior art has the following defects: For flammable areas, adjusting the video transmission bit rate using variable bit rate and other technologies will lead to the loss of...

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Problems solved by technology

In practice, the inventor found that the above-mentioned prior art has the following defects: For flammable areas, adjusting the video transmission bit rate by using technologies such as variable bit rate will lead to the loss of the video area of ​​interest and unclear images, which is a problem for flammable areas. Regional video surveillance is a very big problem

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