Device and method for superimposing and keeping out video images

Abstract

The invention discloses a device and a method for superimposing and keeping out video images. The device comprises a controller, a storing device, a region information resolver and a superimposer, wherein the controller is used for generating information and content data required to be superimposed and kept out in each image region, organizing the information and the data of each region, writing the information and the data into the storing device, and sending a starting address notice to the superimposer; the storing device is used for storing the information and the content data which are organized by the controller and are required to be superimposed and kept out in the image regions; the region information resolver is started according to a command of the superimposer and is used for reading the information and the content data required to be superimposed and kept out from the storing device, resolving the obtained information on superimposition and keeping out, and transmitting the information and the content data to the superimposer; and the superimposer is used for superimposing and keeping out the image regions according to the information and the content data which are transmitted by the region information resolver and are required to be superimposed and kept out. The device and the method have high convenience and robustness.

Description

technical field [0001] The invention relates to the technical field of video image data processing, in particular to a device and method for superimposing and blocking video images. Background technique [0002] In the field of image data processing technology of video surveillance and encoding, it is often necessary to superimpose text information such as date, time, and name on the collected video images first, and then transmit or encode them. Sometimes it is also necessary to block some specific privacy areas. Whether it is overlay or occlusion, its essence is to mix or cover other content on the original video content. [0003] Chinese patent application 200610008233.1 discloses a surveillance system for masking privacy areas and a method for establishing masked areas. The monitoring system includes a photographing unit, an area setting unit, a display unit and an image signal processor. The photographing unit photographs the monitoring area. The area setting unit e...

AI Technical Summary

Problems solved by technology

[0004] However, in the existing technology, the content superposition and area occlusion of the image are inconvenient and the processing speed is slow, and the number of content superposition and area occlusion is limited.

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