CN1564601A

CN1564601A - Active image monitoring system

Info

Publication number: CN1564601A
Application number: CN 200410030513
Authority: CN
Inventors: 吴坤荣; 陈俊文
Original assignee: Chunghwa Telecom Co Ltd
Current assignee: Chunghwa Telecom Co Ltd
Priority date: 2004-04-01
Filing date: 2004-04-01
Publication date: 2005-01-12

Abstract

An active video monitor system that takes computer as the host machine at image capturing end. The computer is connected with the video camera. The host machine at image capturing end converses the signal of video camera into digital information and makes motion detection or other decision. If motion picture in image is detected, the host machine at image capturing end will store the real time images in the time interval before and after the time point. If internet is busy or even break line occurs, then the image in this section will be still temporarily stored in the host machine at image capturing end and will be taken back when the internet connection recover. When needing to read the real time image, users can use web browser to see and takes the hostorical recording material at monitor center through internet.

Description

Active image monitoring

Technical field

The present invention relates to a kind of active image monitoring, the place that be meant especially that a kind of household of can be applicable to is inside and outside, garage, office or workplace etc. need be carried out omnidistance recording monitor to certain place, and the active image monitoring of the internetwork environment of ADSL or other transmitting bandwidth is used in collocation.

Background technology

Digital monitor system commonly used at present is to connect one or several video cameras compositions with a digital supervision main frame, video camera transfers to the digital supervision main frame with the image that photographs with the NTSC/PAL signal, the digital supervision main frame converts these signals to the digital information compression again and is stored in hard disk or other storage device, when having access to the historical summary of video recording if desired, the related personnel just must consult to the scene or by the mode of remote connection in person, in addition, factor word monitor message data quantity is huge, every digital supervision main frame must have the stocking system of enough capacity, and when the capacity of stocking system does not apply use, must delete older video recording historical summary, so this class digital monitor system is very inconvenience when having access to or backing up the video recording historical summary; After perhaps the first NTSC/PAL signal with video camera of the digital monitor system of another part converts digital information to, being sent to Surveillance center by the internet again stores, but because the internet online be not smooth and easy forever, if run into network on-line busy or even when broken string, the real-time imaging information of this period just can't be sent to Surveillance center, Surveillance center also just lost should the period the real-time imaging deposit, and, because real-time imaging information material amount is huge, if use the internet of ADSL or other transmitting bandwidth online, transmitting bandwidth can not apply use, in addition, if have several places to monitor in real time simultaneously and transmit, can cause great load to internet and Surveillance center.

This shows that above-mentioned common system still has many defectives, demand urgently being improved.

Summary of the invention

The object of the present invention is to provide a kind of active image monitoring, this system is except the advantage that keeps monitoring and video recording service digitsization, add that also adopting mobile detection (motion detection) or other to judge triggers video recording, proactive notification Surveillance center, dynamic transmission real-time imaging information to methods such as Surveillance center's storages, more can solve capture end main frame and need a large amount of storage areas and online instability quality problem,, be the efficient and the quality of monitor service more to promote number applicable to the internetwork environment of ADSL or other transmitting bandwidth.

Can realize the active image monitoring of foregoing invention purpose, its structure is: at the capture end with a personal computer (can be at ordinary times use computer) or technical grade computer as capture end main frame, capture end main frame can connect one or several video cameras, video camera transfers to capture end main frame with the image that photographs with the NTSC/PAL signal, capture end main frame converts the NTSC/PAL signal to real-time imaging information again, capture end main frame can carry out mobile detection (motiondetection) or other judgement at the real-time imaging picture that is captured, mobile object is arranged in the image or meet other condition if detect, capture end main frame can with before and after this time point fixedly interior timely image of period keep in, and initiatively transmit message (socket message or alternate manner) notice Surveillance center by the internet and should fetch storage (use FTP via the internet by the period real-time imaging, HTTP protocol or alternate manner), if in online busy or when broken string, take place in the internet, then should still can be temporarily stored in the capture end main frame by the period real-time imaging, treat that the internet in-line recovery just often fetches storage by Surveillance center again.

When if the user need have access to real-time imaging or video recording historical summary, only need to use web browsers (or other application program) to connect to by the internet that Surveillance center supervises real-time imaging or set period is had access to the video recording historical summary, need not directly be online to capture end main frame or arrive capture end scene in person.Surveillance center is responsible for fetching the real-time imaging data that the capture end is kept in by the internet, and have enough database space and store the real-time imaging data, externally then provide the user to supervise real-time imaging or set period is had access to the video recording historical summary by the internet is online, if cause the internet frequency range not apply use because the user increases in the future, or the increase of video recording historical summary needs to expand the storage area, the manager of Surveillance center only need change the soft hardware equipment of Surveillance center, the software and hardware or the internet between capture end main frame and Surveillance center that do not need to change capture end main frame are online, Surveillance center only need accredit necessary personnel at the scene on demand at ordinary times, can save human cost and reach peak efficiency.

Active image monitoring provided by the present invention is compared with the system that uses always at present, also has the following advantages:

1. can use the computer that uses at ordinary times in house or the office as capture end main frame, can save the hardware buying cost.

2. digitized real-time imaging information is stored to Surveillance center's database by the internet, capture end main frame need not be prepared the storage area of huge capacity, only needs temporary real-time imaging information to wait for that Surveillance center's database reads.

3. use the decision of mobile detection or other judgment mode whether the real-time imaging of certain period before and after this time point will be deposited, also can avoid taking time when having access to historical video information and check insignificant fragment, and can save the internet frequency range demand of capture end to Surveillance center in the space of saving database storage.

Description of drawings

Below in conjunction with a preferred embodiment of the present invention and accompanying drawing thereof, further specify technology contents of the present invention and purpose effect thereof.

Fig. 1 is the module rack composition of active image monitoring of the present invention;

Fig. 2 is the application schematic diagram of the active image monitoring of the present invention.

Embodiment

As shown in Figure 1, active image monitoring provided by the present invention, it mainly comprises:

A, coding and temporary module 1, the NTSC/PAL video signal that this coding and temporary module 1 reception video camera 2 are transmitted also converts digital information to, promptly carry out mobile detection (motion detection) or other judgement after converting digital information at the real-time imaging picture that is captured, mobile object is arranged in the image and/or meet other condition if detect, be about to before and after this time point fixedly interior real-time imaging of period and keep in;

B, real-time imaging delivery module 3, when this real-time imaging delivery module 3 produces at temporary real-time imaging, transmit message (socket message or alternate manner) notice real-time imaging receiver module 4 and read real-time imaging information, and read the back deletion real-time imaging delivery module 3 own real-time imaging information of being kept in of finishing at real-time imaging receiver module 4;

C, real-time imaging receiver module 4, this real-time imaging receiver module 4 receives real-time imaging information and is stored to database 5 from the real-time imaging delivery module by internet (using FTP, HTTP protocol or alternate manner), if the internet take place online busy or even when broken string, real-time imaging receiver module 4 promptly interrupts reading real-time imaging information, real-time imaging information still is temporarily stored in capture end main frame, treats that the internet in-line recovery just often reads and be stored to database 5 again;

D, database 5, this database 5 stores the video recording historical summary, and provides interface to read real-time imaging or have access to the video recording historical summary in set period by the internet for client 6;

E, manager's module 7, this manager's module 7 provide interface by the personnel of Surveillance center 8 monitor database, 5 current states and set correlation function;

F, user side 6, this user side 6 is a web browser or other application program, connects to database 5 for user 9 by the internet and checks real-time imaging or have access to the video recording historical summary in set period;

Therefore, cooperatively interact, except the optimization point that keeps monitoring and video recording service digitsization, more applicable to the internetwork environment of ADSL or other transmitting bandwidth, to promote efficient and the quality that digital supervision is served by above-mentioned module.

As shown in Figure 2, active image monitoring provided by the present invention is when using, and video camera 2 transfers to capture end main frame 10 with the image that photographs with the NTSC/PAL signal; Capture end main frame 10 converts the NTSC/PAL signal to real-time imaging information again, capture end main frame 10 can carry out mobile detection (motion detection) or other judgement at the real-time imaging picture that is captured, mobile object is arranged in the image and/or meet other condition if detect, the capture end can with before and after this time point fixedly the real-time imaging in the period keep in, and transmit messages (socket message or alternate manner) by internet 11 and notify Surveillance center 12 to fetch storage (use FTP via internet 11 by the period real-time imaging, HTTP protocol or alternate manner); Database 5 has enough storage areas and stores the real-time imaging data, if internet 11 take place online busy or even during broken string, then should still can be temporarily stored in the capture end main frame 10 by the period real-time imaging, treat that internet 11 in-line recoveries just often fetch storage by database 5 again; When user 9 need have access to real-time or historical Video Document, only need to use web browser (or other application program) to connect to database 5 and supervise real-time imaging or have access to the video recording historical summary in set period by internet 11.

Claims

1. an active image monitoring is characterized in that, comprising:

A, coding and temporary module, this coding and temporary module receive the NTSC/PAL video signal that video camera transmitted and convert digital information to, convert to and promptly carry out mobile detection after the digital information and other is judged at the real-time imaging picture that is captured, and with before and after this time point fixedly interior real-time imaging of period keep in;

When b, real-time imaging delivery module, this real-time imaging delivery module produce at temporary real-time imaging, transmit message notice real-time imaging receiver module and read real-time imaging information;

C, real-time imaging receiver module, this real-time imaging receiver module receives real-time imaging information and is stored to database by the internet;

D, database, this database storage video recording historical summary;

E, manager's module, this manager's module provide interface by the personnel control of Surveillance center database current state and set correlation function;

F, user side, this user side connects to database for the user by the internet and checks real-time imaging and have access to the video recording historical summary.

2. active image monitoring according to claim 1 is characterized in that: described real-time imaging delivery module can the real-time imaging receiver module read finish after the deletion real-time imaging delivery module real-time imaging information of being kept in itself.

3. active image monitoring according to claim 1, it is characterized in that: described real-time imaging receiver module take place in the internet online busy or even when broken string, promptly interrupt reading real-time imaging information, real-time imaging information still is temporarily stored in capture end main frame, treats that the internet in-line recovery just often reads and be stored to database again.

4. the active image monitoring according to claim 1 is characterized in that: described data base set can supply user side to read real-time imaging by the internet or set period is had access to the video recording historical summary.

5. the active image monitoring according to claim 1 is characterized in that: described user side can be a web browser or other application program.