JPH10174086A - Image data distribution system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain the image data distribution system in which moving image data with small information quantity are sent for usual display so as to relieve a load on a network and moving image data of a usual information quantity are sent as required. SOLUTION: A transmission processing unit 2 controls a compressor 22 or video data compressed by the compressor 22 to generate video data of usual data mount and small data amount, and the video data with the small data amount are sent to a network 3 or the video data with the usual data amount are stored in a storage device 23 and the video data stored by the storage device 23 are sent to the network 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image data distribution system for storing and distributing images in real time.

[0002]

2. Description of the Related Art In a conventional surveillance system, a camera or the like is arranged at each place to be monitored, video signals are collected via a video signal dedicated line, and switched by a switcher or the like as necessary, and displayed on a monitor. . In this configuration, there is a problem that the cost and space occupied by laying a dedicated line for a video signal become enormous, for example, when the number of cameras increases or the distance between the cameras and the monitoring monitor is increased. Therefore, it has been considered to use an existing network, such as an already laid LAN or public network, or to lay a new network for use. In general, a configuration in which a video signal is digitized, converted into moving image data, and transmitted and received on a LAN is a technique known as video mail.

However, when there are many information sources, such as a monitoring system, the load on the network increases, so that the efficiency of use of the network is reduced and the arrival of necessary information is extremely delayed. As a result, the performance of the monitoring system is significantly reduced, and the system may even go down. Therefore, in order to reduce the network load, it is necessary to adopt one of the following configurations. (1) Video data with a reduced information amount is used as image data. (2) Normally, still image data having a smaller amount of information than a moving image is used as image data, and moving image data is used as needed. (3) Limit the number of cameras and the like that are information transmission sources. (4) Use a faster network.

[0004]

Since the conventional monitoring system is configured as described above, in order to reduce the network load, when using moving image data with a small amount of information, good quality image data can be obtained. There was a problem that required video information could not be obtained. In addition, it creates video data and still image data, transmits still image data,
There is a configuration that reduces the network load and accumulates moving image data, but in this case, the display on the normal display device becomes a still image, giving the viewer a sense of incongruity, grasping the state, and abnormalities that can not be detected by sensors Had a problem that it could not be confirmed in a timely manner. Further, the configuration for limiting the number of information sources such as cameras has a problem that the monitoring place is limited and can be applied only to a small-scale system. Further, there is a problem that a configuration using a higher-speed network requires a higher cost for a higher-speed network.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems. For normal display, video data with a small amount of information is transmitted to reduce the load on the network and It is another object of the present invention to provide an image data distribution system capable of transmitting moving image data having a normal information amount.

[0006]

According to a first aspect of the present invention, there is provided an image data distribution system, comprising:
The compression device or the video data compressed by the compression device is controlled, and the normal data amount and the low data amount video data are created and the low data amount video data is transmitted to the network, or the normal data amount is generated. Is stored in a storage device, and the video data stored by the storage device is transmitted to a network.

According to a second aspect of the present invention, there is provided an image data distribution system, wherein a transmission processing apparatus controls a compression rate of a compression apparatus to obtain a normal data amount and a high compression rate based on a normal compression rate from the same input video signal. Create video data with a low data rate and send the video data with a low data amount to a network, or store the video data with a normal data amount in a storage device and transfer the stored video data to a network. It is intended to be transmitted.

In the image data distribution system according to the third aspect of the present invention, in the transmission processing device, the resolution in the compression device is controlled, and a normal data amount and a low resolution of a normal resolution are obtained from the same input video signal. Create video data with low data volume and send the video data with low data volume to the network, or store the video data with normal data volume in the storage device and send the stored video data to the network It is something to do.

According to a fourth aspect of the present invention, there is provided an image data distribution system, wherein a transmission processing device controls a video processing area in a compression device and performs a compression process for a normal video processing range from the same input video signal. Creates low-data-volume video data that has been subjected to compression processing for the specified normal data volume and a narrow video processing range, and transmits the low-data-volume video data to a network, or stores the normal-data-volume video data. And the stored video data is transmitted to the network.

According to a fifth aspect of the present invention, in the image data distribution system, the transmission processing device controls the frame rate in the compression device to reduce the amount of normal data of the normal frame rate from the same input video signal. Create low frame rate video data and send the low volume video data to the network or store the normal volume video data in the storage device,
The stored video data is transmitted to the network.

According to a sixth aspect of the present invention, in the image data distribution system, the transmission processing device controls a compression ratio of the compression device for each input frame, and outputs a normal data amount based on a normal compression ratio and a low data amount based on a high compression ratio. Alternately create video data of the data amount and send the video data of the low data amount to the network, or store the video data of the normal data amount in the storage device and store the stored video data on the network. It is intended to be transmitted.

According to a seventh aspect of the present invention, in the image data distribution system, the transmission processing device controls the resolution of the compression device for each input frame, and controls the normal data amount by the normal resolution and the low data amount by the low resolution. Alternately create video data and send the low data amount of video data to the network, or store the normal data amount of video data in the storage device and send the stored video data to the network. It was made.

According to an eighth aspect of the present invention, there is provided an image data distribution system, wherein in the transmission processing device, a video processing area in the compression device is controlled for each input frame, and a normal data amount and a small Alternately create low data amount video data for the processing area and send the low data amount video data to the network, or store the normal data amount video data in the storage device,
The video data stored by the storage device is transmitted to the network.

According to a ninth aspect of the present invention, in the image data distribution system, the transmission processing device controls the video data output from the compression device, thins out the video data output at a specified ratio in frame units, The video data thinned out in frame units is transmitted to a network, or all video data is stored in a storage device, and the stored video data is transmitted to the network.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below. Embodiment 1 FIG. FIG. 1 is a system configuration diagram showing an image data distribution system according to Embodiment 1 of the present invention. In the figure, reference numerals 1a and 1b denote video signal input devices for inputting video signals, and 2a and 2b denote video signal input devices 1a and 1a. A transmission processing device 3 for converting a video signal input from 1b into compressed video data is a network through which video data is transmitted from the transmission processing devices 2a and 2b. Reference numerals 4a and 4b denote reception processing devices including decompression devices 5a and 5b for decompressing video data input from the network 3 and converting the video data into video signals, and reference numerals 6a and 6b denote video signals input from these reception processing devices 4a and 4b, CRT to display and output according to
A display device such as a display or a liquid crystal display.

In the transmission processing device 2 (2a, 2b), reference numeral 21 denotes a distribution device for distributing a video signal input from the video signal input device 1 (1a, 1b), and reference numeral 22 denotes a video distributed by the distribution device 21. A compression device 23 for generating a normal data amount at a normal compression rate and a low data amount video signal at a high compression rate from a signal. It is. The compression device 22 compresses two different video signals at different compression rates, respectively.
It has a function to output two video data,
Two compression devices corresponding to one video input may be combined. The transmission processing device 2 (2a, 2b) and the reception processing device 4 (4a, 4b) need a CPU, a memory, and the like for controlling the devices in addition to the devices shown in FIG. Not limited to the device, it is a necessary element as a matter of course, and therefore will not be described in this description.

Next, the operation will be described. The video signal input from the video signal input device 1 is converted into video data and stored in the transmission processing device 2 and transmitted to the network 3 as described later. On the other hand, the reception processing device 4 receives video data from the network 3, converts the video data into a video signal, and outputs the video signal to the display device 6.
(6a, 6b) output a video signal.

Next, the operation of the transmission processing device 2 which is the center of the first embodiment of the present invention will be described. The video signal from the video signal input device 1 is divided into two by the distribution device 21, and the same video signal is input to the compression device 22. The compression device 22 converts each input into digital data, compresses each according to the specified compression ratio, and outputs different video data. The video data output on the side for which a high compression ratio (for example, 1/40) is designated is output to the network
Sent to. The video data output on the side for which a low compression ratio (for example, 1/10) is designated is stored in the storage device 23. The video data stored in the storage device 23 is transmitted to the network 3 in response to a transmission request from the reception processing device 4 or an external trigger.

As described above, according to the first embodiment, there is an effect that video data having a small data amount is normally transmitted and the load on the network 3 can be reduced.

Embodiment 2 FIG. 2 is a system configuration diagram showing an image data distribution system according to a second embodiment of the present invention. In the figure, reference numeral 22a denotes a normal data amount and a low resolution of a normal resolution from a video signal distributed by the distribution device 21. This is a compression device that creates video data of a data amount. Note that the compression device 22a has a different 2
One video input has the function of converting it into digital data with different resolutions and compressing it, and outputting two video data.
May be combined. Other configurations are the same as those in FIG. 1, and thus redundant description will be omitted.

Next, the operation will be described. The video signal from the video signal input device 1 is divided into two by the distribution device 21, and the same video signal is input to the compression device 22a. As shown in FIG. 3, the compression device 22a controls the resolution of the video when it is converted to digital data, compresses different digital data, and outputs different video data for each input. Low resolution (eg 320 × 2
The video data output of the side designated by (40) is transmitted to the network 3 as it is. High resolution (eg 640x
480) is output to the storage device 2
3 is stored. The video data stored in the storage device 23 is transmitted to the network 3 in response to a transmission request from the reception processing device 4 or an external trigger.

As described above, according to the second embodiment, even for an image that cannot be displayed with the control of the compression ratio, usually, a small amount of data is transmitted by controlling the resolution, and the load on the network 3 is reduced. There is an effect that can be reduced.

Embodiment 3 FIG. FIG. 4 is a system configuration diagram showing an image data distribution system according to Embodiment 3 of the present invention. In the figure, reference numeral 22b denotes a video processing area controlled by a video signal distributed by the distribution device 21, and a normal video processing range. This is a compression apparatus that creates video data of a normal data amount and a low data amount for a narrow video processing range by performing a compression process on the video data. The compression device 22b has the function of converting two different video inputs into digital data for different video regions and compressing them, and outputting two video data. May be configured by combining two compression devices. Other configurations are the same as those in FIG. 1, and thus redundant description will be omitted.

Next, the operation will be described. The video signal from the video signal input device 1 is divided into two by the distribution device 21, and the same video signal is input to the compression device 22b. In the compression device 22b, as shown in FIG. 5, each input is converted into digital data for a different video region specified, and compressed according to the specified compression ratio.
Output different video data. The video data output on the side where the narrow video area (for example, the central 1/4 part) is designated is transmitted to the network 3 as it is. The video data output on the side where a wide video area (for example, the entire area) is specified is
It is stored in the storage device 23. The video data stored in the storage device 23 is transmitted to the network 3 in response to a transmission request from the reception processing device 4 or an external trigger.

As described above, according to the third embodiment, when the image size can be changed, data with a small amount of data is normally transmitted without lowering the image quality, and the network load is reduced. There is an effect that can be.

Embodiment 4 FIG. 6 is a system configuration diagram showing an image data distribution system according to Embodiment 4 of the present invention. In the figure, reference numeral 22c denotes a frame rate controlled from a video signal distributed by the distribution device 21; This is a compression device that creates video data of a low data amount with a low data amount and a low frame rate. The compression device 22c has a function of converting two different video inputs into digital data and compressing them at different frame rates and outputting two video data, but corresponds to one video input. You may comprise combining two compression apparatuses. Other configurations are the same as those in FIG. 1, and thus redundant description will be omitted.

Next, the operation will be described. The video signal from the video signal input device 1 is divided into two by the distribution device 21, and the same video signal is input to the compression device 22c. As shown in FIG. 7, the compression device 22c converts each input into digital data according to the designated frame rate, compresses it, and outputs different video data. The video data output on the side for which the low frame rate (for example, 10 fps) is specified is transmitted to the network 3 as it is. The video data output on the side for which a high frame rate (for example, 30 fps) is specified is stored in the storage device 23.
The video data stored in the storage device 23 is transmitted to the network 3 in response to a transmission request from the reception processing device 4 or an external trigger.

As described above, according to the fourth embodiment, in the case of a video with little movement, data with a small data amount is normally transmitted without lowering the image quality, and the load on the network 3 is reduced. There is an effect that can be.

Embodiment 5 FIG. 8 is a system configuration diagram showing an image data distribution system according to Embodiment 5 of the present invention. In the figure, reference numeral 22d denotes a control unit for controlling a compression ratio for each input frame, a normal data amount based on a normal compression ratio, and a high compression ratio. Is a compression device that alternately creates video data of a low data amount. The compression device 22d has a function of converting each frame of one video input into digital data at a different compression rate and compressing the data to output two video data. Two devices
And a frame switching device. Further, the other configuration is the same as that of FIG. 1 except that the distribution device 21 is omitted, and the other configuration is the same.

Next, the operation will be described. The video signal from the video signal input device 1 is input to the compression device 22d. As shown in FIG. 9, the compression device 22d switches to a specified compression ratio every time each frame is switched with respect to the input, compresses and outputs different video data. The video data output on the side for which a high compression ratio (for example, 1/40) is designated is transmitted to the network 3 as it is. The video data output on the side for which a low compression ratio (for example, 1/10) is designated is stored in the storage device 23. The video data stored in the storage device 23 is transmitted from the reception processing device 4 or transmitted.
The data is transmitted to the network 3 in response to an external trigger.

As described above, according to the fifth embodiment, even if a compression device capable of simultaneously outputting two pieces of compressed data is not used as in the first embodiment, data having a small data amount is normally transmitted. Thus, there is an effect that the load on the network 3 can be reduced.

Embodiment 6 FIG. FIG. 10 is a system configuration diagram showing an image data distribution system according to a sixth embodiment of the present invention. In the figure, reference numeral 22e denotes a control of the resolution for each input frame, and a normal data amount by a normal resolution and a low data by a low resolution. This is a compression device that creates an amount of video data alternately. The compression device 22e has a function of converting each frame of one video input into digital data at a different resolution and compressing the same to output two video data. Two devices and a frame switching device may be combined. Other configurations are the same as those in FIG. 8, and thus redundant description will be omitted.

Next, the operation will be described. The video signal from the video signal input device 1 is input to the compression device 22e. In the compression device 22e, as shown in FIG. 9, the input is converted into digital data at a designated resolution and compressed at a designated resolution as shown in FIG. 3, and different video data is output, as shown in FIG. Low resolution (eg 320 × 240)
The video data output corresponding to the frame designated by is transmitted to the network 3 as it is. Video data output corresponding to a frame for which a high resolution (for example, 640 × 480) is specified is stored in the storage device 23. The video data stored in the storage device 23 is transmitted to the network 3 in response to a transmission request from the reception processing device 4 or an external trigger.

As described above, according to the sixth embodiment, even if a compression device capable of outputting two pieces of compressed data at the same time as in the second embodiment is not used, data having a small data amount is normally transmitted. This has the effect of reducing the network load.

Embodiment 7 FIG. FIG. 11 is a system configuration diagram showing an image data distribution system according to Embodiment 7 of the present invention. In the figure, reference numeral 22f denotes a video data area for controlling an input frame for each input frame, and a normal data amount for a normal processing area. And a compression device for alternately creating video data of a small data amount for a narrow processing area. It should be noted that the compression device 22f provides, for each frame of one video input,
It has a function of converting different video regions into digital data and compressing them to output two video data. However, it may be configured by combining two compression devices corresponding to one video input and a frame switching device. . Other configurations are the same as those in FIG. 8, and thus redundant description will be omitted.

Next, the operation will be described. The video signal from the video signal input device 1 is input to the compression device 22f. In the compression device 22f, as shown in FIG. 9, after each input frame is converted into digital data, different video areas are compressed and different video data are output as shown in FIG. The video data output on the side where a narrow area (for example, 1/4 of the center) is specified is left
Sent to. The video data output on the side where a wide area (for example, the entire area) is specified is stored in the storage device 23. The video data stored in the storage device 23 is transmitted to the reception processing device 4.
Is transmitted to the network 3 in response to a transmission request from the Internet or a trigger from the outside.

As described above, according to the seventh embodiment, even if a compression device capable of simultaneously outputting two pieces of compressed data is not used as in the third embodiment, data having a small data amount is normally transmitted. This has the effect of reducing the network load.

Embodiment 8 FIG. FIG. 12 is a system configuration diagram showing an image data distribution system according to an eighth embodiment of the present invention. In the figure, reference numeral 22g denotes a control unit for a video processing area for each input frame, and a normal data amount for a normal processing area. And a compression device for alternately creating video data of a small data amount for a narrow processing area. Other configurations are the same as those in FIG. 8, and thus redundant description will be omitted.

Next, the operation will be described. The video signal from the video signal input device 1 is input to the compression device 22g. The compression device 22g converts the input into digital data, compresses it, and outputs video data. Compression device 22
The data output from g is transmitted to the network 3 according to the specified thinning rate (for example, 1/3) as shown in FIG. At the same time, all data is stored in the storage device 23. The video data stored in the storage device 23 is transmitted to the network 3 in response to a transmission request from the reception processing device 4 or an external trigger.

As described above, according to the eighth embodiment, data having a small data amount is usually transmitted without using a compression device capable of simultaneously outputting two pieces of compressed data as in the fourth embodiment. This has the effect of reducing the network load.

Incidentally, in the description of the above embodiments,
The case where a video signal is used as an input from the video signal input device 1 has been described. However, it is common that audio information is attached to video information, and audio information can be handled in the same manner as video information. The same effects as those of the above-described embodiments can be obtained with video information including audio information. In the above embodiments, the compression device is described as a single device. However, the configuration may be such that the digital conversion portion, the resolution control, the input area control, and the compression portion are separated.

[0042]

As described above, according to the first aspect of the present invention, in the transmission processing device, the compression device or the video data compressed by the compression device is controlled, and the video data having the normal data amount and the low data amount is controlled. Create data and send the low data amount video data to the network or store the normal data amount video data in the storage device,
Since the video data stored by the storage device is configured to be transmitted to the network, it is possible to provide high-quality video data as needed without increasing the load on the network, and to provide information necessary for monitoring, etc. Can be prevented from leaking. Also, since video data can be sent normally, compared to sending still images, it does not give the viewer a sense of discomfort, makes it easier to grasp the state, and checks for abnormalities that can not be detected by the sensor in a timely manner be able to. Further, since the number of information sources such as cameras can be increased as compared with the related art, it is possible to adapt to a large-scale system. Further, since the system can be constructed even with the existing low-speed network, there is an effect that the construction cost is suppressed and the system can be constructed at a low cost.

According to the second aspect of the present invention, in the transmission processing device, the compression ratio of the compression device is controlled, and the same amount of normal data and the low data of the high compression ratio are input from the same video signal. Create video data of a small amount and send the video data of low data amount to the network,
Alternatively, since the video data of the normal data amount is stored in the storage device and the stored video data is transmitted to the network, the video data having a small data amount is normally transmitted to reduce the load on the network. There is an effect that can be.

According to the third aspect of the present invention, in the transmission processing device, the resolution in the compression device is controlled to reduce the amount of normal data and the low data amount of low resolution from the same video signal to be input. Create video data and send the low data amount video data to the network, or store the normal data amount video data in the storage device and send the stored video data to the network Therefore, even for a video that cannot be displayed, by controlling the resolution, it is possible to transmit data with a small data amount and to reduce the load on the network.

According to the fourth aspect of the present invention, in the transmission processing device, the image processing area in the compression device is controlled, and the normal data amount obtained by performing the compression process on the normal video processing range from the same input video signal. Create a video data of a low data amount which has been subjected to compression processing for a narrow video processing range and transmit the video data of the low data amount to a network, or store the video data of the normal data amount in a storage device, Since the stored video data is transmitted to the network, if the image size can be changed, data with a small amount of data is usually transmitted without lowering the image quality and the network load is reduced. There is an effect that can be.

According to the fifth aspect of the present invention, in the transmission processing device, the frame rate in the compression device is controlled, and the normal data amount of the normal frame rate and the low frame rate of the low frame rate are obtained from the same input video signal. Create video data of a data amount and transmit the video data of a low data amount to a network, or store the video data of a normal data amount in a storage device and transmit the stored video data to the network. With such a configuration, in the case of a video with little motion, there is an effect that data with a small data amount is normally transmitted without deteriorating the image quality, and the load on the network can be reduced.

According to the sixth aspect of the present invention, in the transmission processing device, the compression ratio in the compression device is controlled for each input frame, and the normal data amount based on the normal compression ratio and the low data amount video based on the high compression ratio are controlled. Create the data alternately and send the low-volume video data to the network,
Alternatively, since the video data having the normal data amount is stored in the storage device and the stored video data is transmitted to the network, the two compressed data are stored in the storage device. Even if a compression device capable of simultaneous output is not used, there is an effect that data with a small amount of data is normally transmitted and the load on the network can be reduced.

According to the seventh aspect of the invention, in the transmission processing device, the resolution in the compression device is controlled for each input frame, and the normal data amount based on the normal resolution and the low data amount video data based on the low resolution are alternated. Or send the low-volume video data to the network,
Alternatively, the video data having the normal data amount is stored in the storage device, and the stored video data is transmitted to the network.
Even if a compression device capable of simultaneously outputting two pieces of compressed data is not used, there is an effect that data with a small amount of data is normally transmitted and a network load can be reduced.

According to the eighth aspect of the present invention, in the transmission processing device, the video processing region in the compression device is controlled for each input frame, and the normal data amount and the narrow processing region for the normal processing region are controlled. The low-data-volume video data is alternately created, and the low-data-volume video data is transmitted to the network, or the normal-data-volume video data is stored in the storage device, and is stored by the storage device. Since the video data is transmitted to the network, it is possible to transmit data having a small data amount without using a compression device capable of simultaneously outputting two pieces of compressed data. This has the effect of reducing the network load.

According to the ninth aspect of the present invention, in the transmission processing device, the video data output from the compression device is controlled, the video data output at a specified ratio is thinned out on a frame basis, and the video data is output on a frame basis. Since the thinned video data is transmitted to the network, or all the video data is stored in the storage device, and the stored video data is transmitted to the network, the present invention as claimed in claim 5 is provided. Even if a compression device that can simultaneously output two pieces of compressed data is not used, there is an effect that data with a small amount of data is normally transmitted and a network load can be reduced.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram showing an image data distribution system according to a first embodiment of the present invention.

FIG. 2 is a system configuration diagram showing an image data distribution system according to a second embodiment of the present invention.

FIG. 3 is a view showing a second embodiment and a sixth embodiment of the present invention;
FIG. 4 is an explanatory diagram for explaining the control contents in FIG.

FIG. 4 is a system configuration diagram showing an image data distribution system according to a third embodiment of the present invention.

FIG. 5 is a view showing a third embodiment and a seventh embodiment of the present invention;
FIG. 7 is an explanatory diagram for explaining the video area control contents in FIG.

FIG. 6 is a system configuration diagram showing an image data distribution system according to a fourth embodiment of the present invention.

FIG. 7 is an explanatory diagram illustrating control contents according to a fourth embodiment of the present invention.

FIG. 8 is a system configuration diagram showing an image data distribution system according to a fifth embodiment of the present invention.

FIG. 9 is an explanatory diagram illustrating frame control contents according to the fifth to seventh embodiments of the present invention.

FIG. 10 is a system configuration diagram showing an image data distribution system according to a sixth embodiment of the present invention.

FIG. 11 is a system configuration diagram showing an image data distribution system according to a seventh embodiment of the present invention.

FIG. 12 is a system configuration diagram showing an image data distribution system according to an eighth embodiment of the present invention.

FIG. 13 is an explanatory diagram illustrating frame thinning control content according to an eighth embodiment of the present invention.

[Explanation of symbols]

1a, 1b video signal input device, 2, 2a, 2b transmission processing device, 3 networks, 4a, 4b reception processing device, 6a, 6b display device, 22, 22a to 22g compression device, 23 storage device.

Claims (9)

[Claims] 1. A compression device for converting a video signal input from a video signal input device into video data and compressing the video data, and a storage device for storing the compressed video data, wherein the storage device stores the compressed video data in a network. A transmission processing device for transmitting video data, a reception processing device including a decompression device for expanding compressed video data input from the network and converting the video data into a video signal, and a video signal input from the reception processing device. And a display device for displaying and outputting the video data in response to the video data compressed by the compression device or the compression device. Create and send the low data amount video data to the network or the normal data amount video data An image data distribution system, wherein the image data is stored in the storage device, and the video data stored by the storage device is transmitted to the network. 2. A transmission processing device controls a compression ratio of a compression device, and creates a normal data amount at a normal compression ratio and a low data amount of a high compression ratio from the same input video signal. Transmitting the low data amount video data to a network, or storing the normal data amount video data in a storage device, and transmitting the video data stored by the storage device to the network. The image data distribution system according to claim 1. 3. The transmission processing device controls the resolution in the compression device, creates a normal data amount at a normal resolution and a low-resolution low-data amount video data from the same input video signal, and The video data of a low data amount is transmitted to a network, or the video data of the normal data amount is stored in a storage device, and the video data stored by the storage device is transmitted to the network. 2. The image data distribution system according to 1. 4. A transmission processing device controls a video processing area in a compression device, and compresses a normal data amount and a narrow video processing range by performing a compression process on a normal video processing range from the same input video signal. Create low-data-volume video data and send the low-data video data to a network, or store the normal-data video data in a storage device, and store the video data stored by the storage device. The image data distribution system according to claim 1, wherein the data is transmitted to the network. 5. A transmission processing device controls a frame rate in a compression device, and generates a normal data amount of a normal frame rate and a low data amount of a low frame rate from the same input video signal. Transmitting the low data amount video data to a network, or storing the normal data amount video data in a storage device, and transmitting the video data stored by the storage device to the network. The image data distribution system according to claim 1. 6. The transmission processing device controls a compression ratio of the compression device for each input frame, and alternately creates a normal data amount based on a normal compression ratio and a low data amount video data based on a high compression ratio. Transmitting the low-data-volume video data to a network, or storing the normal-data-volume video data in a storage device, and transmitting the video data stored by the storage device to the network. Item 2. The image data distribution system according to Item 1. 7. The transmission processing device controls the resolution of the compression device for each input frame, and alternately creates video data of a normal data amount with a normal resolution and a low data amount of a low resolution, and generates the low data amount. 2. The method according to claim 1, wherein the video data of the amount is transmitted to the network, or the video data of the normal data amount is stored in the storage device, and the video data stored by the storage device is transmitted to the network. Image data distribution system. 8. A transmission processing apparatus controls a video processing area in a compression apparatus for each input frame, and outputs a normal data amount for a normal processing area and a low data amount for a narrow processing area. Are created alternately, and the video data of the low data amount is transmitted to the network, or the video data of the normal data amount is stored in the storage device, and the video data stored by the storage device is transmitted to the network. The image data distribution system according to claim 1, wherein 9. A transmission processing device controls video data output from a compression device, thins out video data output at a specified ratio in frame units, and converts the video data thinned out in frame units into a network. 2. An image data distribution system according to claim 1, wherein the video data is transmitted to the storage device, or all the video data is stored in the storage device, and the video data stored by the storage device is transmitted to the network.