apparatus for transmitting image using local network

Image transmission apparatus using a local network {apparatus for transmitting image using local network}

1 is a diagram showing a schematic diagram of an image transmission apparatus using a local network according to the prior art;

2 is a diagram showing an embodiment of an image transmission apparatus using a local network according to the present invention;

Explanation of symbols for main parts of the drawings

110 : first local network 111 : camera

112 : main computer 113 : sub computer

120 : second local network 121 : camera

122 : main computer 123 : sub computer

130 : Internet

<backgroundart><p>The present invention relates to an image transmission apparatus using a local network. In particular, an image is divided into an odd frame and an even frame, transmitted through a predetermined transmission bandwidth using different paths, and then received It relates to an image transmission apparatus using a local network for preventing bottlenecks and interruptions during high-speed image transmission and image transmission/reception by combining them.</p><p>Hereinafter, an image transmission apparatus using a local network according to the related art will be described as follows.</p><p>1 is a diagram showing a schematic diagram of an image transmission apparatus using a local network according to the prior art, in which first to nth cameras 11a to 11n and first to nth computers 12a to 12n are provided. The network 10 and the second local network 20 provided with the first to nth cameras 21a to 21n and the first to nth computers 22a to 22n are connected to the server 40 through the Internet 30 are connected to each, and for convenience of explanation, a first camera 11a, a first local network 10 provided with a first computer 12a, a first camera 21a, and a first computer 22a It is assumed that the second local network 20 provided with ) is connected to the server 40 through the Internet 30 .</p><p>Each of the first cameras 11a and 21a captures an image of a user during image communication.</p><p>Each of the first computers 12a and 22a processes the images captured by each of the first cameras 11a and 21a, respectively, and sends them to the server 40 through the Internet 30 after loading them in a certain transmission bandwidth. After receiving an image signal transmitted from the server 40 through the Internet 30 in a predetermined transmission bandwidth, the image is processed and displayed.</p><p>The server 40 transmits the image signal transmitted through the Internet 30 from the first computer 12a in the first local network 10 at a predetermined transmission bandwidth to the first computer in the second local network 20 ( 22a) or transmits the image signal transmitted through the Internet 30 from the first computer 22a in the second local network 20 to a predetermined transmission bandwidth to the first computer in the first local network 10 ( 12a).</p><p>The operation of the image transmission apparatus using the local network according to the related art configured as described above will be described in detail with reference to the accompanying drawings.</p><p>When video communication is performed using the first computer 12a in the first local network 10 connected to the Internet 30 and the first computer 22a in the second local network 20, the first local network ( The process of transmitting the image signal from 10) to the second local network 20 is as follows.</p><p>First, the first camera 11a in the first local network 10 takes an image of the user. The user's image is either the user's face or the user's upper body.</p><p>Then, the first computer 12a in the first local network 10 image-processes the user's image captured by the first camera 11a, and transmits the image signal through the Internet 30 by loading the image signal in a certain transmission bandwidth. do. The predetermined transmission bandwidth varies depending on the communication network, and has a transmission bandwidth of 1.5 Mbps in case of T1 class and 2 Mbps in case of E1 class.</p><p>Then, the server 40 receives the image signal transmitted on a frame-by-frame basis from the first computer 12a in the first local network 10 and transmits it to the first computer in the second local network 20 . At (22a), the transmission is carried out through the Internet 30 in a predetermined transmission bandwidth.</p><p>Then, the first computer 22a in the second local network 20 receives the image signal transmitted from the server 40 through the Internet 30 at a predetermined transmission bandwidth, processes the image, and displays it on the image communication program. will do</p><p>In addition, the first computer 22a in the second local network 20 image-processes the user's image captured by the first camera 21a, and then transmits it through the Internet 30 by loading it on a predetermined transmission bandwidth in units of frames. do.</p><p>Then, the server 40 receives the image signal transmitted on a frame-by-frame basis from the first computer 22a in the second local network 20, and then loads it on the predetermined bandwidth and transmits it through the Internet 30. 1 The first computer 12a in the local network 10 is loaded with a predetermined transmission bandwidth and transmitted through the Internet 30 .</p><p>Accordingly, the first computer 12a in the first local network 10 receives the image signal transmitted from the server 40 over the Internet 30 over a predetermined transmission bandwidth, processes the image, and then uploads the image to the image communication program. will display.</p><p>Through this process, each user of the first computers 12a and 22a of the first and second local networks 10 and 20 can enjoy video communication.</p></backgroundart><abstractproblem><p>However, in the image transmission apparatus using a local network according to the prior art, when the user of the first computer in the first local network performs video communication with the user of the first computer in the second local network, after accessing the server through the Internet By transmitting the image captured from the first camera in each local network on a frame-by-frame basis to a certain transmission bandwidth and transmitting it through the server, the occurrence of bottlenecks and interruptions due to the concentration of specific content at a specific time period, and reduction of transmission speed, etc. There are problems that may arise.</p><p>Therefore, the present invention has been devised to solve the above problems, and the image is divided into an odd frame and an even frame, transmitted through a small transmission bandwidth using different paths, and then received It is an object of the present invention to provide an image transmission apparatus using a local network to prevent bottlenecks and interruptions due to high-speed transmission of images and concentration of specific content during a specific time period by combining them.</p></abstractproblem>

<p>In order to achieve the above object, the image transmission apparatus using a local network according to the present invention is characterized in that, in the image transmission apparatus using a local network that transmits images between a plurality of local networks through the Internet, each of the local networks includes: A main computer that separates images into a predetermined frame unit and transmits them in a predetermined transmission bandwidth or combines the images separated by predetermined frame units and loaded on a predetermined transmission bandwidth, and the main computer separates the images in predetermined frame units and transmits them in a predetermined transmission bandwidth After receiving the transmitted image, it is transmitted to another local network through the Internet, or after receiving the image transmitted through the Internet after being separated from another local network in a predetermined frame unit and loaded in a predetermined transmission bandwidth, it is transmitted to the main computer. It consists of a sub-computer.</p><p>Another feature of the main computer is that the image is transmitted by dividing the image into an odd frame and an even frame.</p><p>Another feature of the main computer is to separate and transmit any one image among medical service, moving picture, VOD (Video On Demand), or Internet broadcasting into odd frames and even frames.</p><p>Other objects, features and advantages of the present invention will become apparent from a detailed description of the embodiments with reference to the accompanying drawings.</p><p>Hereinafter, a preferred embodiment of an image transmission apparatus using a local network according to the present invention will be described.</p><p>2 is a view showing an embodiment of an image transmission apparatus using a local network according to the present invention, a first local network 110 having a camera 111, a main computer 112, and a sub computer 113. A second local network 120 including a camera 121 , a main computer 122 , and a sub computer 123 is connected to the Internet 130 . A plurality of local networks may be configured as the local network, and only the first and second local networks 10 and 20 are illustrated for convenience of description.</p><p>Each of the cameras 111 and 121 in the first and second local networks 110 and 120 captures an image of a user.</p><p>The main computer 112 in the first local network 110 image-processes the image captured by the camera 111, divides it into an odd frame and an even frame, and sends the image to a predetermined transmission bandwidth. It is loaded and transmitted to the sub-computer 113 , and the separated image signal is loaded in a predetermined transmission bandwidth and transmitted to the sub-computer 123 in the second local network 120 through the Internet 130 .</p><p>The sub-computer 113 in the first local network 110 receives the image signal transmitted over a predetermined transmission bandwidth from the main computer 112 and sends it to the main computer 122 in the second local network 120 . It is loaded on a predetermined transmission bandwidth and transmitted through the Internet 130 , and after receiving an image signal transmitted through the Internet 130 on a predetermined transmission bandwidth from the main computer 122 in the second local network 120 , It is transmitted to the main computer 112 on the transmission bandwidth.</p><p>The sub-computer 123 in the second local network 120 is separated from the main computer 112 in the first local network 110 into an odd frame or an even frame and transmitted image signal. After receiving it, it is loaded on a predetermined transmission bandwidth and transmitted to the main computer 122, and the image signal transmitted after being separated into an odd frame or an even frame from the main computer 122 is received. Then, it is loaded on a predetermined transmission bandwidth and transmitted to the main computer 122 in the first local network 110 through the Internet 130 .</p><p>The main computer 122 in the second local network 120 receives an odd frame or an even frame transmitted over a predetermined transmission bandwidth from the sub-computer 123, and in addition to the first local After receiving an image signal transmitted through the Internet 130 after being separated from an odd frame or an even frame from the main computer 122 in the network 110 and loaded on a predetermined transmission bandwidth, the odd frame (odd frame) frame) and even frame are processed and displayed in sequence through the synchronization process.</p><p>Since the image signal transmission from the second local network 120 to the first local network 110 is the reverse process of transmitting the image signal from the first local network 110 to the second local network 120, a description thereof will be given. is to be omitted.</p><p>The operation of the image transmission apparatus using the local network according to the present invention configured as described above will be described in detail with reference to the accompanying drawings.</p><p>In a state in which the first local network 110 and the second local network 120 are connected through the Internet 130 , the main computer 112 in the first local network 110 and the main computer in the second local network 120 are connected via the Internet 130 . When video communication is performed in step 122, a case in which an image signal is transmitted from the first local network 110 to the second local network 120 will be described.</p><p>First, the camera 111 in the first local network 110 captures an image of a user. The user's image is either the user's face or the user's upper body during video communication, and the user's image is a certain body part of the patient during medical service.</p><p>Then, the main computer 112 in the first local network 110 image-processes the image captured by the camera 111, divides it into an odd frame and an even frame, and then divides the image into an odd frame and an even frame. frame) or even frame is loaded in a predetermined transmission bandwidth and transmitted to the sub-computer 113 in the first local network 110, and an odd frame or even frame is transmitted in a predetermined transmission bandwidth. It is transmitted to the sub-computer 123 in the second local network 120 through the Internet 130 . The predetermined transmission bandwidth varies depending on the communication network, and since the image signal is transmitted separately into an odd frame and an even frame, it is 1/2 of 1.5 Mbps in case of T1 class and 1/2 of 2 Mbps in case of E1 class. has a transmission bandwidth of</p><p>Then, the sub-computer 113 in the first local network 110 sends an odd frame or an even frame transmitted over a predetermined transmission bandwidth from the main computer 112 in the first local network 110 . After receiving it, it is loaded on a predetermined bandwidth and transmitted to the main computer 122 in the second local network 120 through the Internet 130 .</p><p>In addition, the sub-computer 123 in the second local network 120 receives an odd frame transmitted through the Internet 130 on a predetermined transmission bandwidth from the main computer 112 in the first local network 110 or After receiving the even frame, it is loaded on a predetermined transmission bandwidth and transmitted to the main computer 122 in the second local network 120 .</p><p>Accordingly, in the main computer 122 in the second local network 120, an odd frame transmitted through the Internet 130 on a predetermined transmission bandwidth from the sub-computer 113 in the first local network 110. Alternatively, an even frame and a sequence (odd frame) transmitted from the sub-computer 123 in the second local network 120 over a predetermined transmission bandwidth through a synchronization process of an odd frame and an even frame (even frame) sequence) and displayed.</p><p>Also, at the same time, the camera 121 in the second local network 120 captures an image of the user.</p><p>Then, the main computer 122 in the second local network 120 image-processes the image captured by the camera 121, then divides it into an odd frame and an even frame, and then divides the image into an odd frame and an even frame. frame) or even frame is loaded in a predetermined transmission bandwidth and transmitted to the sub-computer 123 in the second local network 120, and an odd frame or even frame is transmitted in a predetermined transmission bandwidth. It is transmitted to the sub-computer 113 in the first local network 110 through the Internet 130 .</p><p>Then, the sub-computer 123 in the second local network 120 transmits an odd frame or an even frame from the main computer 122 in the second local network 120 over a predetermined transmission bandwidth. After receiving it, it is loaded on a predetermined bandwidth and transmitted to the main computer 112 in the first local network 110 through the Internet 130 .</p><p>In addition, the sub-computer 113 in the first local network 110 receives an odd frame transmitted through the Internet 130 on a predetermined transmission bandwidth from the main computer 122 in the second local network 120 or After receiving an even frame, it is loaded on a predetermined transmission bandwidth and transmitted to the main computer 112 in the first local network 110 .</p><p>Accordingly, in the main computer 112 in the first local network 110 , an odd frame transmitted through the Internet 130 on a predetermined transmission bandwidth from the sub computer 123 in the second local network 120 . Alternatively, an even frame and a sequence (odd frame) transmitted from the sub-computer 113 in the first local network 110 over a predetermined transmission bandwidth through a synchronization process of an odd frame and an even frame (even frame) sequence) and displayed.</p><p>Through this process, each user of the main computers 112 and 122 of the first and second local networks 110 and 120 enables video communication at high speed without bottlenecks and interruptions due to the concentration of specific content at a specific time period. will enjoy</p><p>Therefore, the image transmission apparatus using the local network according to the present invention can perform video communication at high speed without bottlenecks and interruptions, so it is suitable for contents requiring high-speed video communication such as medical services, moving pictures, VOD (Video On Demand), and Internet broadcasting. Of course, it is applicable.</p>

<p>As described above, the image transmission apparatus using a local network according to the present invention divides an image into an odd frame and an even frame, transmits it through a small transmission bandwidth using different paths, and then transmits the image. By receiving and combining images, images can be transmitted at high speed, and there is an effect of preventing bottlenecks and interruptions due to concentration of specific content at a specific time period.</p><p>Those skilled in the art from the above description will be able to see that various changes and modifications can be made without departing from the technical spirit of the present invention.</p><p>Accordingly, the technical scope of the present invention is not limited to the contents described in the examples, but should be defined by the claims and their equivalents.</p>