JPH11261991A - Moving image signal encoding device for monitoring device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable encoding operation optimum for plural alarm signals and to deal with a change in the number of alarm signal inputs without changing a moving image signal encoding device. SOLUTION: An alarm vector generating part 15 generates an alarm vector based on N pieces of alarms from plural alarm generators 14. An operating mode vector generating part 16 generates an operating mode vector based on the alarm vector and a weight matrix 17. An encoded parameter vector generating part 18 generates an encoded parameter vector based on the operating mode vector and a table 19 for encoded parameter selection. A moving image signal encoding device 12 encodes the input image from a fixed camera 11 based on the encoded parameter vector and outputs a code from an encoded data output part 13.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video signal encoding device in a monitoring device, and more particularly to a video signal encoding device in a monitoring device to which a plurality of alarms can be attached.

[0002]

2. Description of the Related Art Conventionally, a monitoring system using a moving picture signal encoding apparatus to which a plurality of alarms can be attached is disclosed in Japanese Patent Laid-Open No. 6-54074. FIG. 8 shows the monitoring system. In the figure, 81 is a plurality of monitoring cameras, 82 is a plurality of audio input / output terminals, 83 is a plurality of alarm sensors, 84 is a video switch, 85 is an audio switch, 86 is an image encoder, 87 is an audio CODE.
C and 88 are control units, 89 is an alarm signal detection circuit, 90
Denotes a memory, and 91 denotes a line control unit.

According to this device, a plurality of alarm sensors 8
When an abnormality is detected by the alarm signal 3, the alarm signal detection circuit 83 notifies the control unit 88 of alarm information. Control unit 8
Numeral 8 instructs the image encoder 86 to transmit the encoded video information when there is alarm information.
Instruct C87 to transmit the encoded audio information. Further, 90 includes a plurality of alarms 83 and a plurality of monitoring cameras 8.
1. The association between a plurality of audio input / output terminals 82 is stored, and the control unit 88 refers to this memory 90 and issues an instruction to switch the monitoring camera and the audio input / output terminal to the video switch 84 and the audio switch 85.

[0004]

However, in the monitoring system using the conventional moving picture signal encoding apparatus,
The alarm signal is used only for turning on / off the image encoding unit and selecting an input image, and the operation of the image encoding unit is constant for each alarm.

Accordingly, the present invention has been made in view of such a conventional problem, and a moving picture in a monitoring apparatus capable of performing optimal coding processing of a moving picture signal on a plurality of alarm signals. It is an object to provide a signal encoding device.

[0006]

In order to achieve the above object, a moving picture signal encoding apparatus in a monitoring apparatus according to the present invention comprises a plurality of alarm transmitters and an alarm comprising a binary coefficient based on an alarm signal. An alarm vector generation unit that generates a vector, a weighting matrix generation unit that generates a weighting matrix for weighting each coefficient of the alarm vector, and an operation mode vector generation that generates an operation mode vector based on the alarm vector and the weighting matrix Department and
A coding parameter selection table having correspondence data between the operation mode vector coefficients and the coding parameters; and a coding parameter vector generation unit for generating a coding parameter vector based on the operation mode vector and the coding parameter selection table. Configuration.

The video signal encoding apparatus in the monitoring apparatus according to the present invention comprises: a plurality of alarm transmitters; an alarm vector generating unit for generating an alarm vector composed of binary coefficients based on the alarm signal; A weighting matrix generation unit that generates a weighting matrix for performing weighting on each of the coefficients, an operation mode vector generation unit that generates an operation mode vector based on the alarm vector and the weighting matrix, and an operation mode vector coefficient and an encoding parameter. A plurality of encoding parameter selection tables having corresponding data, an encoding parameter selection table switching unit for switching the encoding parameter selection table, and encoding parameters based on the operation mode vector and the encoding parameter selection table Generating coding parameter vectors to generate vectors A configuration in which a door.

Further, the video signal encoding apparatus in the monitoring apparatus according to the present invention comprises: a plurality of alarm transmitters; an alarm vector generating section for generating an alarm vector composed of binary coefficients based on the alarm signal; Weighting matrix generation unit for generating a plurality of weighting matrices for weighting each coefficient of the above, a weighting matrix switching unit for switching the weighting matrix, and an operation mode for generating an operation mode vector based on the alarm vector and the weighting matrix A vector generation unit, a plurality of coding parameter selection tables having correspondence data between operation mode vector coefficients and coding parameters, and coding for generating a coding parameter vector based on the operation mode vector and the coding parameter selection table And a parameter vector generation unit.

The video signal encoding apparatus in the monitoring apparatus according to the present invention comprises a plurality of alarm transmitters, an alarm vector generating section for generating an alarm vector composed of binary coefficients based on the alarm signal, and an alarm vector generating section. Weighting matrix generation unit for generating a plurality of weighting matrices for weighting each coefficient of the above, an alarm signal decoding unit for generating a switching signal of the weighting matrix from a combination of alarm signals, and a weighting matrix switching for switching the weighting matrix An operation mode vector generation unit that generates an operation mode vector based on an alarm vector and a weighting matrix; a plurality of encoding parameter selection tables having operation mode vector coefficient and encoding parameter correspondence data; and an operation mode vector. And encoding parameter selection table A configuration in which a coding parameter vector generating unit for generating a parameter vector.

The video signal encoding apparatus in the monitoring apparatus according to the present invention comprises: a plurality of alarm transmitters; an alarm vector generating unit for generating an alarm vector composed of binary coefficients based on the alarm signal; A weighting matrix generation unit that generates a weighting matrix for performing weighting on each of the coefficients, an operation mode vector generation unit that generates an operation mode vector based on the alarm vector and the weighting matrix, and an operation mode vector coefficient and an encoding parameter. An encoding parameter selection table having corresponding data, an encoding parameter vector generation unit that generates an encoding parameter vector based on the operation mode vector and the encoding parameter selection table, and an encoding parameter that transmits the encoding parameter vector Vector transmitter and coding parameter vector A configuration in which a coding parameter vector receiving unit that receives Le.

[0011]

DETAILED DESCRIPTION OF THE INVENTION The invention according to claim 1 of the present invention comprises a plurality of alarm transmitters for generating an alarm signal;
An alarm vector generation unit that generates an alarm vector composed of binary coefficients based on the alarm signal, a weight matrix generation unit that generates a weight matrix for weighting each coefficient of the alarm vector, an alarm vector and a weight matrix An operation mode vector generation unit that generates an operation mode vector based on the operation mode vector coefficient, a coding parameter selection table having data corresponding to the coding parameters, and an operation mode vector and a coding parameter selection table. This is a moving image signal encoding device in a monitoring device including an encoding parameter vector generation unit that generates an encoding parameter vector.

According to the moving picture signal encoding apparatus in the monitoring apparatus according to the first aspect, the alarm vector generating section generates an alarm vector including binary coefficients based on the alarm signals from the plurality of alarm transmitters. The operation mode vector generation unit generates an operation mode vector from the weighting matrix and the alarm vector, and the encoding parameter vector generation unit generates an encoding parameter vector based on the operation mode vector and the encoding parameter selection table, and By operating the signal encoding device based on the encoding parameter vector, it is possible to perform an optimal encoding operation for a plurality of alarm signals, and further, for a change in the number of alarm signal inputs, a moving image signal There is an effect that it is possible to cope only by changing the weighting matrix without changing the encoding unit.

According to a second aspect of the present invention, there are provided a plurality of alarm transmitters for generating an alarm signal, an alarm vector generator for generating an alarm vector composed of binary coefficients based on the alarm signal, A weighting matrix generation unit for generating a weighting matrix for weighting each coefficient, an operation mode vector generation unit for generating an operation mode vector based on an alarm vector and an input weighting matrix, and an operation mode vector coefficient and encoding A plurality of encoding parameter selection tables having data corresponding to the parameters, an encoding parameter selection table switching unit for switching the encoding parameter selection table, and encoding based on the operation mode vector and the encoding parameter selection table. Parameter vector that generates the encoding parameter vector Which is a moving image signal encoding apparatus in the monitoring device and a Le generator.

According to the video signal encoding apparatus in the monitoring apparatus according to the second aspect, the alarm vector generation unit generates an alarm vector including binary coefficients based on the alarm signals from the plurality of alarm transmitters. The operation mode vector generation unit generates an operation mode vector from the weighting matrix and the alarm vector, the coding parameter selection table switching unit performs switching of the coding parameter selection table, and the coding parameter vector generation unit generates the operation mode vector. By generating an encoding parameter vector based on the encoding parameter selection table and the video signal encoding device operating based on the encoding parameter vector, a more optimal encoding operation can be performed for a plurality of alarm signals. Can be performed.

According to a third aspect of the present invention, there are provided a plurality of alarm transmitters for generating an alarm signal, an alarm vector generation unit for generating an alarm vector composed of binary coefficients based on the alarm signal, and an alarm vector generation unit. A weighting matrix generation unit that generates a plurality of weighting matrices for weighting each coefficient, a weighting matrix switching unit that selects one weighting matrix from a plurality of input weighting matrices, and an alarm vector selected An operation mode vector generation unit that generates an operation mode vector based on a weighting matrix, a coding parameter selection table having operation mode vector coefficients and corresponding data of coding parameters, and an operation mode vector and a coding parameter selection table. Coding parameter vector that generates coding parameter vector based on Which is a moving image signal encoding apparatus in the monitoring device and a generator.

According to the third aspect of the present invention, the alarm vector generation unit generates an alarm vector including binary coefficients based on alarm signals from a plurality of alarm transmitters. The weighting matrix switching unit switches the weighting matrix, the operation mode vector generation unit generates an operation mode vector from the weighting matrix and the alarm vector, and the encoding parameter selection table switching unit switches the encoding parameter selection table. The coding parameter vector generation unit generates a coding parameter vector based on the operation mode vector and the coding parameter selection table, and the video signal coding apparatus operates based on the coding parameter vector, thereby More optimal encoding operation for the alarm signal It has the effect that it is.

According to a fourth aspect of the present invention, there are provided a plurality of alarm transmitters for generating an alarm signal, an alarm vector generating section for generating an alarm vector composed of binary coefficients based on the alarm signal, A weighting matrix generation unit that generates a plurality of weighting matrices for weighting each coefficient; an alarm signal decoding unit that generates a weighting matrix switching signal from a combination of alarm signals; and a weighting matrix switching unit that switches the weighting matrix An operation mode vector generation unit that generates an operation mode vector based on an alarm vector and a weighting matrix; a coding parameter selection table having correspondence data of operation mode vector coefficients and coding parameters; and an operation mode vector and coding Encoding parameters based on the parameter selection table Which is a moving image signal encoding apparatus in the monitoring device that includes a coding parameter vector generation unit which generates a data vector.

According to the moving picture signal encoding apparatus in the monitoring apparatus according to the fourth aspect, the alarm vector generating section generates an alarm vector including binary coefficients based on the alarm signals from the plurality of alarm transmitters. The alarm signal decoding unit generates a switching signal of the weighting matrix from the combination of the alarm vectors, the weighting matrix switching unit switches the weighting matrix, and the operation mode vector generation unit generates the operation mode vector from the weighting matrix and the alarm vector. The coding parameter selection table switching unit switches the coding parameter selection table, and the coding parameter vector generation unit generates a coding parameter vector based on the operation mode vector and the coding parameter selection table, The image signal encoding device is By operating based on data vector,
This has the effect that a more optimal encoding operation can be performed on a plurality of alarm signals.

According to a fifth aspect of the present invention, there are provided a plurality of alarm transmitters for generating an alarm signal, an alarm vector generator for generating an alarm vector composed of binary coefficients based on the alarm signal, and each of the alarm vectors. A weighting matrix generator that generates a weighting matrix for weighting the coefficients; an operation mode vector generator that generates an operation mode vector based on the alarm vector and the weighting matrix; and corresponding data of the operation mode vector coefficients and the encoding parameters A coding parameter selection table having: a coding parameter vector generation unit that generates a coding parameter vector based on the operation mode vector and the coding parameter selection table; and a coding parameter vector transmission that transmits the coding parameter vector. And the coding parameter vector Which is a moving image signal encoding apparatus in the monitoring device that includes a coding parameter vector receiver.

According to the moving picture signal encoding apparatus in the monitoring apparatus according to the fifth aspect, the alarm vector generating section generates an alarm vector including binary coefficients based on the alarm signals from the plurality of alarm transmitters. , The operation mode vector generation unit generates an operation mode vector from the weight matrix and the alarm vector, and the coding parameter vector generation unit generates a coding parameter vector based on the operation mode vector and the coding parameter selection table, and performs coding. The parameter vector transmitting unit transmits the encoding parameter vector, the encoding parameter vector receiving unit receives the encoding parameter vector, and the video signal encoding device operates based on the encoding parameter vector, thereby generating a plurality of alarms. Optimum coding operation is possible for signals and Since the operation of the No. encoding device can be known from the coding parameter vector, an effect that can be received more reliably coded data.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

(First Embodiment) FIG. 1 shows a first embodiment of the present invention.
FIG. 3 is a block diagram illustrating a configuration of a moving image signal encoding device according to the embodiment. In FIG. 1, reference numeral 11 denotes a fixed camera, 12 denotes a moving image signal encoding device, 13 denotes an encoded data output unit, 14 denotes a plurality of alarm transmitters, 15 denotes an alarm vector generation unit, 16 denotes an operation mode vector generation unit,
Reference numeral 7 denotes a weighting matrix generation unit, reference numeral 18 denotes an encoding parameter vector generation unit, and reference numeral 19 denotes an encoding parameter selection table. In FIG. 1, the alarm signal is an output signal from the alarm transmitter, but may be, for example, an output signal from the moving image signal encoding device 12 or the encoded data output unit 13.

FIG. 2 shows N alarms in FIG.
When the number of types of the encoding parameters is M, an alarm vector generated by the alarm vector generation unit 15, a weight matrix generated by the weight matrix generation unit 17, an operation mode vector generated by the operation mode vector generation unit 16, FIG. 3 shows an example of an encoding parameter vector generated by the encoding parameter vector generation unit 18.

FIG. 3 shows an example of the contents of the encoding parameter selection table 19 of FIG.

Next, the operation of the moving picture signal coding apparatus configured as described above will be described. The alarm vector generation unit 15 generates an alarm vector (a11, a12,..., A1) based on N alarms from the plurality of alarm transmitters 14.
N). Here, coefficient a1j (j is an integer of 1 to N)
Is 1 or 0. Operation mode vector generator 16
Generates operation mode vectors (c11, c12,..., C1M) based on the alarm vector and the weighting matrix. here,
Coefficient bkl of the weighting matrix (k is an integer of 1 to N, l is 1 to
M) is a value determined from the encoding parameters of the video signal encoding device 12 suitable for each alarm occurrence, the importance of each alarm, and the like. The coding parameter vector generation unit 18 generates coding parameter vectors (d11, d12,..., D1M) based on the operation mode vector and the coding parameter selection table 19. Here, the coefficient d1i (9 is an integer of 1 to M) of the encoding parameter vector is
As shown in the example of FIG. 3, it corresponds one-to-one with the operation parameters of the video signal encoding device 12, such as the bit rate, the filter coefficient, and the resolution.

Then, the moving picture signal coding apparatus 12 performs the fixed camera 11 based on the above-described coding parameter vector.
And outputs an encoded signal from the encoded data output unit 13.

Therefore, according to the present embodiment, in the moving picture signal coding apparatus, it is possible to perform the optimum coding operation on the alarm signal generated by a plurality of signals, and to reduce the number of alarm signal inputs. The change can be dealt with only by changing the weighting matrix without changing the moving picture signal encoding device.

(Second Embodiment) FIG. 4 shows a second embodiment of the present invention.
FIG. 3 is a block diagram illustrating a configuration of a moving image signal encoding device according to the embodiment. In FIG. 4, the same functional portions as those in FIG. 1 are denoted by the same reference numerals, and the duplicate description thereof will be omitted.

In FIG. 4, reference numeral 41 denotes an encoded data receiving section; 42, an encoding parameter selection table switching section; 43, a plurality of encoding parameter selection tables; Are provided. Here, examples of the encoded data receiving unit 41 include a recording unit on a storage medium and a receiving unit via a communication line. Further, in FIG. 4, two encoding parameter selection tables are provided, but three or more encoding parameter selection tables may be provided.

Next, of the moving picture signal coding apparatus according to the second embodiment, the difference from the first embodiment is shown in FIG.
This will be described with reference to FIG. The encoding parameter selection table switching unit 42 switches between the two encoding parameter selection tables in accordance with a request from the encoded data receiving unit 41. Here, as an example of a request from the encoded data receiving unit 41, there is a request to lower a bit rate or to change an encoding parameter to a fixed parameter.

Therefore, according to the present embodiment, in the moving picture signal coding apparatus, a more appropriate coding parameter selection table can be selected for a plurality of alarm signals, and a more optimal coding parameter selection table can be selected. An encoding operation can be performed.

(Third Embodiment) FIG. 5 shows a third embodiment of the present invention.
FIG. 3 is a block diagram illustrating a configuration of a moving image signal encoding device according to the embodiment. In FIG. 5, the same functional portions as those in FIG. 1 are denoted by the same reference numerals, and the duplicate description thereof will be omitted.

In FIG. 5, reference numeral 51 denotes a plurality of cameras, 5
Reference numeral 2 denotes an input image selection unit, 53 denotes a weighting matrix generation unit that generates a plurality of weighting matrices, and 54 denotes a weighting matrix switching unit. In FIG. 5, two cameras are used. However, three or more cameras may be used. Two weighting matrices may be used. However, three or more weighting matrices may be used.

Next, the difference between the moving picture signal coding apparatus according to the third embodiment and the first embodiment will be described with reference to FIG. The input image selection unit 52 switches input images from the plurality of cameras 51 according to the input image switching signal. Similarly, the weighting matrix switching unit 54 switches the weighting matrix from the plurality of weighting matrices 53. Here, the first camera and the weighting matrix 1 correspond to each other, and the second camera and the weighting matrix 2 correspond to each other. And 2
The two weighting matrices differ in that coefficients are determined so as to enable only the alarm signal relevant to each camera.

As described above, according to the present embodiment, a more appropriate one can be selected as a weighting matrix for a plurality of alarm signals in the moving picture signal encoding apparatus, and a plurality of alarm signals can be selected. On the other hand, a more optimal encoding operation can be performed.

(Fourth Embodiment) FIG. 6 shows a fourth embodiment of the present invention.
FIG. 3 is a block diagram illustrating a configuration of a moving image signal encoding device according to the embodiment. In FIG. 6, reference numeral 61 denotes an alarm signal decoding unit, and the same functional portions as those in FIGS. 1 and 5 are denoted by the same reference numerals, and redundant description is omitted.

Next, the difference between the moving picture signal coding apparatus according to the present embodiment and the first embodiment will be described with reference to FIG. The alarm signal decoding unit 61 generates a weighting matrix switching signal from the combination of alarms, and the weighting matrix switching unit switches the weighting matrix according to this signal. Note that examples of combinations of alarms for switching the weighting matrix include a case where the second alarm transmission is ignored for the first alarm transmission, and a case where all the alarms are transmitted. Can be assumed.

As described above, according to the present embodiment, in the moving picture signal encoding apparatus, the weighting matrix is switched according to the alarm state by the switching signal, so that the more optimal encoding operation for a plurality of alarm signals is performed. Can be.

(Fifth Embodiment) FIG. 7 shows a fifth embodiment of the present invention.
1 is a block diagram of a moving picture signal encoding device according to an embodiment of the present invention. In FIG. 7, reference numeral 71 denotes a coding parameter vector transmitting unit, and reference numeral 72 denotes a coding parameter vector receiving unit. In FIG. 7, FIGS.
The same reference numerals are given to the same functional portions as those described above, and the overlapping description will be omitted.

Next, the difference between the moving picture signal coding apparatus of the present embodiment and the first embodiment will be described with reference to FIG. In the video signal encoding device according to the present example, the encoding parameter vector transmitting unit 71 transmits the encoding parameter vector to the encoding parameter vector receiving unit 72. Then, the encoded data receiving unit 41 can know the operation of the video signal encoding device from the encoding parameter vector, so that the encoded data output from the encoded data output unit 13 can be reliably received. .

As described above, according to the present embodiment, the moving picture signal coding apparatus can perform an optimum coding operation for a plurality of alarm signals, and at the same time, operate the moving picture signal coding apparatus. Can be known from the encoding parameter vector, so that encoded data can be received more reliably.

[0042]

As described above, the moving picture signal coding apparatus in the monitoring apparatus according to the present invention has the following effects.

According to the first aspect of the present invention, an alarm vector including binary coefficients is generated based on an alarm signal, and an operation mode vector is generated based on the alarm vector and a weighting matrix. Since the coding parameter vector is generated based on the coding parameter selection table having the corresponding data of the coding parameter and the moving image signal is coded, a plurality of alarm signals are generated in the moving image signal coding apparatus. It is possible to perform an optimal encoding operation using an encoding parameter vector generated corresponding to the above, and also, for a change in the number of alarm signal inputs, a weighting matrix without changing the video signal encoding device. Has the effect that it can be dealt with simply by changing.

According to a second aspect of the present invention, in addition to the first aspect, a plurality of encoding parameter selection tables,
A coding parameter selection table switching unit for switching the coding parameter selection table is provided, and the coding parameter vector is generated based on the operation mode vector and the selected optimum coding parameter selection table. In the video signal encoding apparatus, it is possible to select a more appropriate encoding parameter selection table for a plurality of alarm signals, and to achieve an optimal encoding operation.

According to a third aspect of the present invention, in addition to the first aspect, a plurality of weighting matrices can be generated by a weighting matrix generation section, and an appropriate weighting matrix can be selected and switched by a weighting matrix switching section. Therefore, in the moving picture signal encoding apparatus, a more appropriate one can be selected as a weighting matrix for a plurality of alarm signals, and further, an optimal encoding operation can be performed.

According to a fourth aspect of the present invention, in addition to the first aspect, a plurality of weighting matrices for weighting each coefficient of the alarm vector and switching of a weighting matrix from a combination of alarm signals. An alarm signal decoding unit for generating a signal is provided, and the matrix switching unit switches the weighting matrix with the switching signal. Therefore, in the video signal encoding apparatus, the weighting matrix is switched by the switching signal, and a plurality of alarms are switched. This has the effect that a more optimal coding operation can be performed on the signal.

According to a fifth aspect of the present invention, in addition to the first aspect, an encoding parameter vector transmitting unit is provided to transmit the encoding parameter vector, and receives the encoding parameter vector. Since the coding parameter vector receiving unit is provided, the moving picture signal coding apparatus can perform the optimum coding operation for a plurality of alarm signals and encode the operation of the moving picture signal coding apparatus. Since the information can be obtained from the parameter vector, the encoded data can be received more reliably.

[Brief description of the drawings]

FIG. 1 is a schematic block diagram of a moving image signal encoding device according to a first embodiment of the present invention.

FIG. 2 is a relationship diagram of each vector according to the first embodiment.

FIG. 3 is a diagram illustrating an example of an encoding parameter selection table according to the first embodiment.

FIG. 4 is a schematic block diagram of a moving picture signal encoding device according to a second embodiment of the present invention.

FIG. 5 is a schematic block diagram of a moving picture signal encoding device according to a third embodiment of the present invention.

FIG. 6 is a schematic block diagram of a moving picture signal encoding device according to a fourth embodiment of the present invention.

FIG. 7 is a schematic block diagram of a video signal encoding device according to a fifth embodiment of the present invention.

FIG. 8 is a schematic block diagram of a monitoring system using a conventional moving picture signal encoding device.

[Explanation of symbols]

 Reference Signs List 11 camera 12 video signal encoding device 13 encoded data output unit 14 plural alarm transmitters 15 alarm vector generation unit 16 operation mode vector generation unit 17 weighting matrix 18 encoding parameter vector generation unit 19 encoding parameter selection table 41 Encoded data receiving unit 42 Encoding parameter selection table switching unit 43 Plurality of encoding parameter selection tables 51 Plurality of cameras 52 Input image selection unit 53 Plural weighting matrices 54 Weighting matrix switching unit 63 Alarm signal decoding unit 71 Encoding Parameter vector transmitter 72 Encoding parameter vector receiver

Claims (5)

[Claims] A plurality of alarm transmitters for generating an alarm signal; an alarm vector generation unit for generating an alarm vector composed of binary coefficients based on the alarm signal; and a means for weighting each coefficient of the alarm vector. Weighting matrix generation unit that generates a weighting matrix of the same; operation mode vector generation unit that generates an operation mode vector based on the alarm vector and the weighting matrix; and coding parameter selection that has data corresponding to the operation mode vector coefficients and the coding parameters. A video signal encoding apparatus in a monitoring device, comprising: a coding table; and a coding parameter vector generation unit that generates a coding parameter vector based on an operation mode vector and a coding parameter selection table. 2. An alarm signal generator for generating an alarm signal, an alarm vector generator for generating an alarm vector composed of binary coefficients based on the alarm signal, and a weight for each coefficient of the alarm vector. A weighting matrix generation unit that generates a weighting matrix of the same; an operation mode vector generation unit that generates an operation mode vector based on the alarm vector and the weighting matrix; and a plurality of encodings that have correspondence data of the operation mode vector coefficients and the encoding parameters. A parameter selection table, an encoding parameter selection table switching unit for switching the encoding parameter selection table, and an encoding parameter vector for generating an encoding parameter vector based on the operation mode vector and the encoding parameter selection table Monitoring unit with a generator Video signal encoding device in the system. A plurality of alarm transmitters for generating an alarm signal; an alarm vector generation unit for generating an alarm vector composed of binary coefficients based on the alarm signal; and a weight for each coefficient of the alarm vector. A weighting matrix generation unit that generates a plurality of weighting matrices, a weighting matrix switching unit that selects one weighting matrix from a plurality of input weighting matrices, and an operation mode based on the alarm vector and the selected weighting matrix. An operation mode vector generation unit for generating a vector, an encoding parameter selection table having operation mode vector coefficients and corresponding data of encoding parameters, and an encoding parameter vector based on the operation mode vector and the encoding parameter selection table. And a coding parameter vector generating unit for generating the coding parameter vector. A video signal encoding device in a viewing device. A plurality of alarm transmitters for generating an alarm signal; an alarm vector generation unit for generating an alarm vector composed of binary coefficients based on the alarm signal; and a means for weighting each coefficient of the alarm vector. A weighting matrix generating unit that generates a plurality of weighting matrices, an alarm signal decoding unit that generates a weighting matrix switching signal from a combination of alarm signals, a weighting matrix switching unit that switches the weighting matrix, an alarm vector and a weighting matrix An operation mode vector generation unit that generates an operation mode vector based on the operation mode vector coefficient and a coding parameter selection table having data corresponding to the coding parameters, and an operation mode vector and a coding parameter selection table based on the operation mode vector and the coding parameter selection table. Generate encoding parameter vector Moving image signal encoding apparatus in the monitoring device that includes a coding parameter vector generating unit that. 5. An alarm signal generator for generating an alarm signal, an alarm vector generator for generating an alarm vector composed of binary coefficients based on the alarm signal, and a weighting unit for weighting each coefficient of the alarm vector. A weighting matrix generation unit that generates a weighting matrix; an operation mode vector generation unit that generates an operation mode vector based on an alarm vector and a weighting matrix; and a coding parameter selection that has data corresponding to an operation mode vector coefficient and a coding parameter. A coding parameter vector generating unit that generates a coding parameter vector based on the operation mode vector and the coding parameter selection table, a coding parameter vector transmitting unit that transmits the coding parameter vector, and a coding parameter vector. Received encoding parameter A video signal encoding device in a monitoring device including a vector receiving unit.