KR20100114748A - System for monitoring network camera - Google Patents

Abstract

PURPOSE: A network camera monitoring system including a digital receiving unit storing digital image data is provided to reduce installation cost and reproduce the image data of high quality. CONSTITUTION: A network camera(100) comprises an image shooting unit(110), an image database storage(120), a data controlling unit(130), and a wireless transmission module(150). The image shooting unit takes a photograph of the subject with the megapixel image. The image database storage stores the image recording with the image shooting unit to video data.

Description

System for monitoring Network Camera

The present invention relates to a network camera surveillance system.

As the television broadcasting standard has evolved from NTSC, PAL and SECAM, which are analogues, to digital HDTVs, the equipment of security surveillance system that followed the analogues of the analogue type of television broadcasting standards also maintains compatibility with digital television broadcasting protocols. Development is needed.

The reason why it is not possible to go directly from the product with the old standard to the product of the new standard at every transitional time is because it involves many problems.

The equipment for the security surveillance system is very slow to replace the equipment with the new standard because there are many specialized equipment for the security surveillance system and many expensive products.

The security system is largely divided into a camera for photographing a site and a data storage device for receiving and storing an image captured by the camera through a transmission network. Here, the transmission network includes a transmission line or a transmission device.

In case of NTSC, PAL, SECAM, which is a conventional analog video, it has a low pixel of about 300,000 pixels or less. When using the installed transmission line or transmission device, the quality of the recorded video is There is a very poor problem.

In addition, when the camera, the transmission line or the transmission device of the conventional security system is all replaced with digital equipment, there is a problem that a huge cost occurs.

The present invention provides a network camera surveillance system capable of transmitting digital video data of a high pixel as an analog signal and a digital signal, and transmitting wired or wirelessly the digital video data of a high pixel.

According to one aspect of the present invention, the network camera surveillance system of the present invention is a network camera for capturing an image with a high pixel, and converts the captured image data into analog image data and digital image data, the network camera and the analog image data An analog receiver for storing the analog image data connected by a cable for wireless communication, a wireless receiver for connecting the network camera with wireless communication to store the digital image data, and wired communication for the digital image data with the network camera. And a digital receiver for storing data.

In the embodiment of the present invention, by transmitting the high resolution image data captured by the network camera through the transmission network (transmission line and transmission device) installed in the existing analog method, without installing a separate digital transmission line and transmission device High quality video data can be played and installation costs can be reduced.

In addition, according to an embodiment of the present invention, by converting and transmitting the image data so as to correspond to the transmission line in the network camera, the digital image data of the high pixel can be transmitted by wire or wirelessly.

In addition, according to an exemplary embodiment of the present invention, the channel data between the network camera and the wireless receiver or the digital receiver may be reduced by outputting image data captured by the network camera to the wireless receiver or the digital receiver only when an event occurs.

As the inventive concept allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

Terms including ordinal numbers such as first and second may be used to describe various components, but the components are not limited by the terms. The terms are used only for the purpose of distinguishing one component from another.

For example, without departing from the scope of the present invention, the second component may be referred to as the first component, and similarly, the first component may also be referred to as the second component.

When a component is referred to as being "connected" or "connected" to another component, it may be directly connected to or connected to that other component, but it may be understood that other components may be present in between. Should be. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that there is no other component in between.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In the present application, the terms "comprises", "having", and the like are used to specify that a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

Now, a network camera surveillance system according to an exemplary embodiment of the present invention will be described in detail with reference to the drawings, and the same or corresponding components are denoted by the same reference numerals regardless of the reference numerals, and redundant description thereof will be omitted. .

As shown in FIG. 1, the network camera monitoring system includes a network camera 100, an analog receiver 200, a wireless receiver 300, a digital receiver 400, and a monitor 500.

The network camera 100 may capture a mega pixel image and store the image as image data, convert the stored image data into an analog image signal or a digital image signal, and output the image data.

The analog receiver 200 is connected to the network camera 100 by a cable, converts analog image data received from the network camera 100 into digital data, and converts the digital data into a hard disk (HDD) or a digital video disk (DVD). It is a device for storing in a storage device, such as) or transmit to the monitor (500).

The analog receiver 200 is a transmission device of a transmission network that transmits image data in a conventional analog manner. Hereinafter, a cable connecting the network camera 100 and the analog receiver 200 and the analog DVR 200 are combined to transmit. Network ".

In an embodiment of the present invention, the network camera 100 converts the image data photographed in megapixels into an analog image signal and transmits it through an existing transmission network.

Then, the analog receiver 200 may receive an image having a higher image quality than a pixel of less than 300,000 pixels photographed by an existing analog camera, and may store or reproduce an image of a high pixel.

 The wireless receiver 300 is connected to the network camera 100 by wireless communication, decompresses the digital image data received from the network camera 100, decodes the decoded encoded data, and stores the decoded digital data. The device stores or transmits to the monitor 500.

The digital receiver 400 is connected to the network camera 100 by Ethernet, and stores the digital image data received from the network camera 100 in a storage device or transmits the data to the monitor 500.

2 is a schematic structural diagram of a network camera according to an embodiment of the present invention.

As shown in FIG. 2, the network camera 100 includes an image photographing unit 110, an image data storage unit 120, a data control unit 130, an interface 140, a wireless transmission module 150, and a wired transmission module. 160 and the event sensor unit 170.

The image capturing unit 110 captures a subject as a mega pixel image.

The image data storage unit 120 stores the image photographed by the image capturing unit 110 as image data.

The data controller 130 processes the image data to correspond to a path for transmitting the image data stored in the image data storage 120 and transmits the image data to the first to third interfaces 141 to 143.

More specifically, the data controller 130 includes a data processor 131, an analog processor 132, and a digital processor 133.

The data processor 131 controls the mega pixel image photographed by the image capturing unit 110 to be stored as image data in the image data storage 120.

The analog processor 132 reduces and converts the image data, which is a digital signal, into analog image data corresponding to the analog method, and transmits the converted image data to the first interface 141. At this time, the analog image data is a signal converted in the NTSC (National Television System Committee), PAL (Phase-Alternating Line), SECAM (Sequentiel Couleur a Mem-oire).

Here, the analog processor 132 includes at least one digital-analog converter for converting a digital signal into an analog signal.

The digital processor 133 converts image data, which is a digital signal, into digital image data and transmits the image data to the second interface 142 or the third interface 143.

The second interface 142 is connected to the wireless transmission module 150, and the third interface 143 is connected to the wired communication module 160.

The wireless transmission module 150 encodes image data input through the second interface 142, compresses the encoded image data, and transmits the encoded image data through wireless antennas.

In this case, the wireless communication may use at least one of Bluetooth, Zigbee, and WiFi.

The wired communication module 160 converts the image data input through the third interface 143 into a streaming signal suitable for wired communication and transmits the wired data.

 The wired communication may use at least one of Internet standard protocols such as TCP / IP, UDP / IP, and RTP in an Ethernet method.

The event sensor unit 170 is a sensor for detecting sound and movement of a subject. When an event in which sound or movement is detected occurs, the event sensor unit 170 outputs a notification signal indicating that the sound or movement is detected to the digital processing unit 133.

Then, the digital processor 133 extracts the image data of the high pixel at the time when the notification signal is input from the image data storage unit 120 and outputs the image data to the wireless transmission module 150 or the wired transmission module 160.

In this case, the image data of the high pixel may be a still image or a moving image.

The network camera 100 outputs a still image or a moving image to the wireless receiver 300 or the digital receiver 400 only when an event occurs, thereby connecting the network camera 100 to the wireless receiver 300 and the digital receiver 400. Reduce channel usage.

As described above, according to the exemplary embodiment of the present invention, a separate digital transmission line and a transmission device are transmitted by transmitting high resolution image data captured by the network camera 100 through a transmission network (transmission line and transmission device) installed in an analog manner. High quality video data can be played back without installing the system, and installation cost can be reduced.

In addition, in the embodiment of the present invention, by converting and transmitting the image data so as to correspond to the transmission line in the network camera 100, the digital image data of the high pixel can be multi-wired or wirelessly transmitted.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

1 is a schematic diagram of a network camera monitoring system according to an exemplary embodiment of the present invention.

2 is a schematic structural diagram of a network camera according to an embodiment of the present invention.

Claims (9)

A network camera that captures a video with a high pixel and converts the captured video data into analog video data and digital video data, An analog receiver connected to the network camera and a cable for analog video data to store the analog video data; A wireless receiver connected to the network camera through wireless communication to store the digital image data; and And a digital receiver connected to the network camera via wired communication for digital image data to store the digital image data. The method of claim 1, The network camera, Video recording unit for photographing the subject in mega pixel image, An image data storage unit for storing the image photographed by the image capturing unit as image data; And a data controller for converting the image data stored in the image data storage into analog image data and digital image data. The method of claim 2, The network camera, A wireless transmission module for transmitting the digital image data in the wireless communication, and And a wired transmission module for transmitting the digital image data through the wired communication. The method of claim 3, The wireless communication is a network camera surveillance system of at least one of Bluetooth, Zigbee, WiFi. The method of claim 3, The wired communication is at least one of the Internet standard protocols such as TCP / IP, UDP / IP, RTP, etc. in the Ethernet (Ethernet) method. The method of claim 2, The data control unit, A data processor which controls the megapixel image photographed by the image capturing unit to be stored in the image data storage unit; An analog processor for converting the image data into analog image data corresponding to an analog method; And a digital processing unit for converting the image data into digital image data. The method of claim 6, The network camera, And an event sensor unit for detecting a movement or sound of the subject and outputting a notification signal informing of the detection time to the digital processing unit. The method of claim 6, The analog system is one of NTSC, PAL, SECAM network camera surveillance system. The method of claim 6, And said analog processor comprises at least one digital-analog converter.

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