CN110035967A - Elevator monitoring arrangement - Google Patents
Elevator monitoring arrangement Download PDFInfo
- Publication number
- CN110035967A CN110035967A CN201680090773.0A CN201680090773A CN110035967A CN 110035967 A CN110035967 A CN 110035967A CN 201680090773 A CN201680090773 A CN 201680090773A CN 110035967 A CN110035967 A CN 110035967A
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- Prior art keywords
- elevator
- image data
- information
- video stream
- stored
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
Elevator is configured to monitoring arrangement, it is attached in a manner of it can be communicated with surveillance camera with surveillance camera, and it is attached in a manner of it can be communicated with elevator control gear with elevator control gear, the surveillance camera is arranged in lift car and sends video stream, the movement of elevator control gear control elevator, send the information for showing elevator situation, elevator is with monitoring arrangement according to the elevator information received from elevator control gear, select the video stream for being stored in volatile storage portion and reduce video stream in either as photologging information, and selected photologging information is recorded in non-volatile memories portion.
Description
Technical field
The present invention relates to the elevator use recorded to the image of the surveillance camera shooting by being arranged in lift car
Monitoring arrangement.
Background technique
In recent years, with the raising of prevention awareness, in the various communal facility setting monitoring camera shootings such as building, station, elevator
Machine and monitoring camera are promoted.Especially in elevator, for the purpose of the prevention in enclosure space, set in lift car
It is equipped with surveillance camera.Also, what is usually carried out is the image shot in central monitoring position monitoring by surveillance camera, and in quilt
It is set to the image for temporarily showing on the monitor in lift car and being shot by surveillance camera, or is being arranged at lift car
On, in the monitoring arrangement of computer room etc. record the image shot by surveillance camera.
Wherein, with the development of digital audio-effect processing, above-mentioned monitoring arrangement be configured to using Static Picture Compression technology,
Dynamic image compression technique etc. encodes the image shot by surveillance camera, and is stored in hard disk, SSD (Solid
State Drive, solid state hard disk) etc. in storage devices.In addition, the memory capacity of storage device is limited.Therefore, for reality
The non-volatile recording of existing image, propose according in the operational situation of elevator and lift car whether there is or not passenger come control image to
The technology of record in storage device, the technology for changing frame frequency and image quality by changing the compression parameters of encoder etc. (for example,
Referring to patent document 1~3).
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2010-202374 bulletin
Patent document 2: Japanese Unexamined Patent Publication 2000-351546 bulletin
Patent document 3: Japanese Unexamined Patent Publication 2008-273637 bulletin
Summary of the invention
Problems to be solved by the invention
Wherein, Motion JPEG (Joint Photographic is applied when changing the compression parameters of encoder
Experts Group, joint photographic experts group), JPEG2000 etc., as long as locating according to the still image as unit of 1 frame
Manage the encoder of image, it will be able to the parameter that change is recorded as unit of frame.But in application by MPEG (Moving
Picture Experts Group, Motion Picture Experts Group) as defined in dynamic image compression technique encoder in, use frame
Between difference information realize high compression.Therefore, compression parameters cannot be usually changed in encoder action process, compressed in change
It in the case where parameter, needs for the time being to stop encoder, sets compression parameters, and act encoder again.
In this way, being encoded in the monitoring arrangement using the conventional coders for applying dynamic image compression technique in change
It in the case where the compression parameters of device, needs to stop for the time being the processing of encoder, thus exists and cannot will be shot by surveillance camera
Image be consecutively recorded in the problems in storage device.
The present invention exactly considers above-mentioned problem and completes, it is intended that a kind of elevator monitoring arrangement is provided,
It can cut down the memory capacity for recording the storage device of the image shot by surveillance camera, and can continuously reproduce quilt
The image being recorded in storage device.
The means used to solve the problem
Elevator of the invention includes volatile storage portion with monitoring arrangement；Non-volatile memories portion；Input control portion,
Video stream is received from the surveillance camera being arranged in lift car, it is attached as time information at the time of video stream will be received
Video stream is added to, and video stream is stored in volatile storage portion；Lsb decoder, to being stored in volatile storage portion
Video stream is decoded and generates image data, and information is added to image data at the time of being affixed to video stream, and by shadow
As data are stored in volatile storage portion；Image processing part will be stored in the image data in volatile storage portion
Capacity reduces and generates and reduce image data, and information is added to diminution image data at the time of being affixed to image data, and
Image data will be reduced to be stored in volatile storage portion；Coding unit, to the diminution shadow being stored in volatile storage portion
Diminution video stream is generated as data are encoded, information is added to diminution image at the time of being affixed to reduce image data
Stream, and be stored in video stream is reduced in volatile storage portion；And control unit, elevator is shown from elevator control gear reception
Situation elevator information, according to elevator information selection be stored in volatile storage portion video stream and reduce video stream in
Either one is recorded in non-volatile memories portion as photologging information, and by selected photologging information.
Invention effect
In accordance with the invention it is possible to provide a kind of elevator monitoring arrangement, record can be cut down and shot by surveillance camera
Image storage device memory capacity, and can continuously reproduce the image being recorded in storage device.
Detailed description of the invention
Fig. 1 is the block diagram for showing the structure of elevator monitoring system of embodiments of the present invention 1.
Fig. 2 is to show the control unit of Fig. 1 to correspond to the explanatory diagram of the movement that the elevator information that receives carries out.
Fig. 3 is the timing diagram for showing the action example of control unit of Fig. 1.
Fig. 4 is the block diagram for showing the structure of elevator monitoring system of embodiments of the present invention 2.
Fig. 5 is the figure shown in Fig. 4 referring to an example of the reference image data saved in image store portion.
Fig. 6 is the figure for showing an example of the image data saved in the volatile storage portion of Fig. 4.
Fig. 7 is the figure for showing the extraction region extracted by the extraction unit of Fig. 4.
Fig. 8 be show by embodiments of the present invention 4 extraction unit generation diminution image data in include it is a series of
Amplification zoomed image data an example figure.
Fig. 9 is the timing diagram for showing the action example of control unit of embodiments of the present invention 4.
Specific embodiment
In the following, being illustrated to elevator of the invention with monitoring arrangement according to preferred embodiment and using attached drawing.Separately
Outside, identical label is marked to identical part or comparable part in the description of the drawings, and omits repeated explanation.
Embodiment 1
Fig. 1 is the block diagram for showing the structure of elevator monitoring system of embodiments of the present invention 1.In Fig. 1, elevator is used
Monitoring system has elevator monitoring arrangement 1 (hereinafter simply referred to as monitoring arrangement 1), network 2, surveillance camera 3 and elevator controlling
Device 4.
Monitoring arrangement 1 is communicatively connect via network 2 with the surveillance camera 3 being arranged in lift car.
As surveillance camera 3, such as use web camera.
Surveillance camera 3 monitors the passenger in lift car as supervision object.Surveillance camera 3 according to
The dynamic image compression standards such as MPEG-4/AVC (also referred to as H.264) encode captured image, generate video stream.Prison
Video stream generated is sent to monitoring arrangement 1 via network 2 depending on video camera 3.
Elevator control gear 4 controls the movement of elevator, and grasps the running-active status of elevator.Also, elevator control gear 4
It is communicatively connect with monitoring arrangement 1, the elevator information for showing elevator situation is sent to monitoring arrangement 1.Elevator letter
The operation information of operational situation of the breath including showing elevator, the door for the opening and closing situation for showing elevator door are opened and closed information and show
Whether there is or not the boarding information of passenger in lift car.As the method for determining whether passenger, for example, according to electricity is set to
The measurement result of the meausring apparatus of ladder judges that whether there is or not the methods of passenger in lift car.
Microcomputer, the storage program data of monitoring arrangement 1 and elevator control gear 4 for example by executing calculation process
With the ROM (Read Only Memory, read-only memory) of the data such as fixed value data and the data stored are carried out more
RAM (Random Access Memory, the random access memory) Lai Shixian newly and successively rewritten.
In the following, being illustrated to the constituent element of monitoring arrangement 1.There is monitoring arrangement 1 input control portion 11, volatibility to deposit
It is storage portion 12, lsb decoder 13, image processing part 14, coding unit 15, control unit 16, non-volatile memories portion 17, non-volatile interim
Storage unit 18 and duplication control unit 19.
Input control portion 11 receives the video stream sent from surveillance camera 3 via network 2.Input control portion 11 will receive
Received video stream is added at the time of to the video stream as time information, the video stream of time information will be attached
It is stored in volatile storage portion 12.As volatile storage portion 12, such as use volatile memory.
Specifically, input control portion 11 will be according to the unit gathered such as GOP for the image for including in video stream
At the time of when (Group Of Picture, image group) unit recipient is referred to as the reference frame of I image (Intra Picture),
The I image is added to as time information.
In this way, input control portion 11 receives video stream from the surveillance camera 3 being arranged in lift car, will receive
It is added to video stream as time information at the time of video stream, and video stream is stored in volatile storage portion 12.
Lsb decoder 13 reads the video stream being stored in volatile storage portion 12 and is decoded, and generates decoded shadow
It is used as image data as flowing, which is stored in volatile storage portion 12.Lsb decoder 13 as be applied to monitoring
The corresponding decoder movement of the dynamic image compression standard of video camera 3.That is, the case where being applied H.264 to surveillance camera 3
Under, surveillance camera 3 is acted as with H.264 corresponding decoder.
Lsb decoder 13 will be affixed to information at the time of video stream when being decoded to video stream and generating image data
It is added to image data, the image data for being attached time information is stored in volatile storage portion 12.
Specifically, lsb decoder 13 when being decoded to video stream, in addition to the I image for including in GOP unit, also uses
The other frames for including in GOP unit i.e. P image (Predictive Picture, forecast image), B image
(Bidirectionally Predictive Picture, bidirectional predictive picture) etc., to all frames for including in GOP unit
It is decoded.
Frame frequency is determined when surveillance camera 3 generates video stream, includes that frame frequency information is (such as every in video stream
15 frames of second, 30 frame per second etc.).Lsb decoder 13 is according to the frame of information and video stream at the time of being affixed in the I image of video stream
Frequency information at the time of specifying each frame, adds time information to each frame.
In this way, lsb decoder 13 is decoded the video stream being stored in volatile storage portion 12 and generates image number
According to information is added to image data at the time of being affixed to video stream, and image data is stored in volatile storage portion 12
In.
Image processing part 14 reduces the capacity of image data, generates the image data for being reduced capacity as diminution image
The diminution image data is stored in volatile storage portion 12 by data.Specifically, image processing part 14 contracts with resolution ratio
Small portion 141, the resolution ratio diminution portion 141 reduce the resolution ratio for the image data being stored in volatile storage portion 12, generate
The image data of resolution ratio has been reduced as diminution image data, and the diminution image data is stored in volatile storage portion
In 12.Resolution ratio diminution portion 141 for example carry out be by resolution ratio 1920 × 1080 points of image data be reduced into 640 × 360 points,
All become 1/3 equal image procossing in length and breadth, thus generates diminution image data.
Resolution ratio diminution portion 141 reduce image data resolution ratio and generate reduce image data when, will be affixed to
Information is added to diminution image data at the time of image data, and the diminution image data for being attached time information is stored in easily
In the property lost storage unit 12.
In this way, the capacity for the image data being stored in volatile storage portion 12 is reduced and is generated by image processing part 14
Image data is reduced, information is added to diminution image data at the time of being affixed to image data, will reduce image data and protects
There are in volatile storage portion 12.Specifically, the image number that image processing part 14 will be stored in volatile storage portion 12
According to resolution ratio reduce, generate and be reduced the image data of resolution ratio as reducing image data.
Coding unit 15 is according to H.264 equal dynamic image compression standards to the diminution shadow being stored in volatile storage portion 12
As data are encoded, which is stored in easily by the diminution image data after generating coding as video stream is reduced
In the property lost storage unit 12.Coding unit 15 is identical with the dynamic image compression standard of surveillance camera 13 is applied to as applying
The encoder of standard is acted.
Coding unit 15 will be affixed to reduce image when being encoded to diminution image data and generating diminution video stream
Information is added to diminution video stream at the time of data, and the diminution video stream for being attached time information is stored in volatile storage
In portion 12.
Specifically, coding unit 15 is mono- according to the unit gathered such as GOP for reducing the image for including in video stream
Time information is added to I image by position.
In this way, coding unit 15 encodes the diminution image data being stored in volatile storage portion 12 and generates contracting
Small video stream, information is added to diminution video stream at the time of being affixed to reduce image data, will reduce video stream and is stored in
In volatile storage portion.
Control unit 16 receives the elevator information sent from elevator control gear 4, is stored according to elevator information selection
It is used as photologging information either in video stream and diminution video stream in volatile storage portion 12, by selected image
Record information is recorded in non-volatile memories portion 17.In addition, as non-volatile memories portion 17, such as use hard drive
Device.
In this way, control unit 16 carries out movement below: the image that will be sent from surveillance camera 3 according to elevator information switching
Stream is directly recorded in the movement in non-volatile memories portion 17；And the video stream is being carried out with the state of retention time information
It after primary decoding, reduces data capacity and is encoded again, will implement and reduce image obtained from such image procossing
Stream is recorded in the movement in non-volatile memories portion 17.Also, the control of control unit 16 is, so that switching by photologging information
For video stream and when reducing video stream and being recorded in non-volatile memories portion 17, switch the time of the photologging information of front and back
Information is continuous.
Non-volatile interim storage unit 18 saves reproduction range information.As non-volatile interim storage unit 18, such as make
With USB storage, SD card etc..User is wanting to reproduce the shadow being recorded in non-volatile memories portion 17 with personal computer
In the case where recording information, at the beginning of image reproduction being started and terminate the finish time of image reproduction as duplication model
Information preservation is enclosed in non-volatile interim storage unit 18.Then, user fills non-volatile interim storage unit 18 with monitoring
Set 1 connection.
Control unit 19 is replicated according to the reproduction range information being stored in the non-volatile interim storage unit 18 connected
In include at the beginning of and finish time, extract corresponding in the photologging information that is recorded in non-volatile memories portion 17
Photologging information, by the photologging information preservation extracted in non-volatile interim storage unit 18.In this way, duplication control
Portion 19 processed according to reproduction range information by photologging information preservation in non-volatile interim storage unit 18, thus user's energy
Enough personal computers reproduce the photologging information being recorded in non-volatile memories portion 17.
In the following, being illustrated to the process of a series of movement of monitoring arrangement 1.The image sent from surveillance camera 3
Flow through the input control portion 11 that monitoring arrangement 1 is entered by network 2.Input control portion 11 is to receiving from surveillance camera 3
Video stream adds time information, and the video stream for being attached time information is stored in volatile storage portion 12.Time information
It is attached to the I image of video stream.
Lsb decoder 13 reads the video stream being stored in volatile storage portion 12 and is decoded, and generates what decoding obtained
Video stream is stored in volatile storage portion 12 as image data, and by the image data.Lsb decoder 13 is according to being affixed to
The frame frequency information of information and video stream at the time of the I image of video stream adds moment letter to each frame for the image data that will be generated
Breath.
Then, the image number that the resolution ratio diminution portion 141 of image processing part 14 will be stored in volatile storage portion 12
According to resolution ratio reduce, generate and be reduced the image data of resolution ratio as image data is reduced, by the diminution image data
It is stored in volatile storage portion 12.Resolution ratio diminution portion 141 is so that be affixed to information at the time of each frame of image data
The time information is added to the mode for reducing image data by adopting as heir.
Then, coding unit 15 is according to H.264 equal dynamic image compression standards to being stored in volatile storage portion 12
It reduces image data to be encoded, generates diminution image data obtained from coding as video stream is reduced, by the diminution image
Stream is stored in volatile storage portion 12.
Then, control unit 16 is stored in volatibility and deposits according to the elevator information received from elevator control gear 4, selection
It the video stream in storage portion 12 and either reduces in video stream and to be used as photologging information, and by selected photologging information
It is recorded in non-volatile memories portion 17.
In the following, referring to Fig. 2 to the elevator information sent from elevator control gear 4 and the control unit for corresponding to the elevator information
Relationship between 16 movement is illustrated.Fig. 2 be show Fig. 1 control unit 16 elevator information that receives should be carried out it is dynamic
The explanatory diagram of work.
In Fig. 2, by the operation information for including from the elevator information that elevator control gear 4 is sent, door opening and closing information and
The class association of the type of boarding information, the photologging information being recorded in control unit 16 in non-volatile memories portion 17
It is shown.
As shown in number 3 and number 4, control unit 16 be judged as elevator stop and door open in the case where, no matter elevator
Whether there is or not passengers in carriage, all select the video stream being stored in volatile storage portion 12 as photologging information, will be selected
The photologging information selected is recorded in non-volatile memories portion 17.
In this way, no matter whether there is or not passengers in lift car in the case where elevator is stopped and door is opened, all there is supervision object
A possibility that positive boarding elevator, need to monitor the supervision object.Therefore, control unit 16 is configured to be judged as according to elevator information
In the case where this situation has occurred, select video stream as photologging information.
As shown in number 7 and number 8, control unit 16 is in the case where being judged as that elevator is in traveling and door is opened, nothing
By in lift car, whether there is or not passengers, will all be stored in the video stream in volatile storage portion 12 and record as photologging information
In non-volatile memories portion 17.
In this way, no matter whether there is or not passengers in lift car, are all elevator hairs when elevator is in traveling and under situation that door is opened
Exception is given birth to.That is, elevator be in advance in but the situation opened of door be elevator it is usually used when impossible situation.
Furthermore, it is desirable to record such unusual condition.Therefore, control unit 16 be configured to be judged as according to elevator information have occurred it is this
In the case where situation, select video stream as photologging information.
According to above-described number 3,4,7,8 it is found that control unit 16 is being judged as that elevator door is opened according to elevator information
In the case where, select the higher video stream of the resolution ratio of image as photologging information.
As shown in number 2, control unit 16 is being judged as that elevator is stopped, door is closed and has the case where passenger in lift car
Under, it selects the video stream being stored in volatile storage portion 12 as photologging information, selected photologging is believed
Breath is recorded in non-volatile memories portion 17.
In this way, in the case where elevator is stopped, door is closed and has the situation of passenger in lift car, although supervision object is located at elevator
In carriage, but elevator is in stop, it may be possible to which accident occurs for supervision object, such as supervision object is fallen, supervision object
It is immovable etc..Therefore, control unit 16 be configured to according to elevator information judgement be positive this situation occurs in the case where, selection
Video stream is as photologging information.
According to above-described number 2 it is found that control unit 16 is being judged as that elevator is stopped, elevator door closes according to elevator information
In the case where closing and having passenger in lift car, select the higher video stream of the resolution ratio of image as photologging information.
As shown in number 6, control unit 16 is in being judged as elevator traveling, door is closed and has the case where passenger in lift car
Under, it selects the diminution video stream being stored in volatile storage portion 12 as photologging information, selected image is remembered
Record information is recorded in non-volatile memories portion 17.
In this way, when elevator has under the situation of passenger in traveling, in door closing and lift car, although supervision object is located at
In lift car, but during elevator is advanced, the movement of supervision object is less, for supervision object accident occur can
Energy property also reduces.It therefore, there is no need to the recording image resolution ratio in non-volatile memories portion 17 and reduce the high image of video stream
Diminution video stream is recorded in non-volatile memories portion 17 and is enough by stream.If recording contracting in non-volatile memories portion 17
Small video stream rather than video stream, then can save the memory capacity in non-volatile memories portion 17.Therefore, control unit 16 is configured to
It is positive in the case where this situation occurs according to elevator information judgement, selects to reduce video stream as photologging information.
According to above-described number 6 it is found that control unit 16 is being judged as elevator in traveling, elevator according to elevator information
In the case that door closes and has passenger in lift car, select the lower diminution video stream of the resolution ratio of image as photologging
Information.
As shown in number 1, control unit 16 is being judged as that elevator is stopped, door is closed and does not have the case where passenger in lift car
Under, stop following movement: will be selected as either in the video stream being stored in volatile storage portion 12 and diminution video stream
Selected photologging information is simultaneously recorded in non-volatile memories portion 17 by photologging information.
In this way, supervision object is not in elevator car elevator is stopped, door is closed and in lift car not under the situation of passenger
In compartment.Therefore, control unit 16 be configured to be positive according to elevator information judgement this situation occurs in the case where, stop image
Record information is recorded in the movement in non-volatile memories portion 17.
As shown in number 5, control unit 16 be judged as elevator advance in, door close and in lift car not no passenger feelings
Either under condition, stop following movement: the video stream in volatile storage portion 12 will be stored in and reduce in video stream selection
It is recorded in non-volatile memories portion 17 for photologging information and by selected photologging information.
In this way, in elevator traveling, door close and in lift car not under the situation of passenger, supervision object is not in elevator
In carriage.Therefore, control unit 16 be configured to be positive according to elevator information judgement this situation occurs in the case where, stop shadow
As record information is recorded in the movement in non-volatile memories portion 17.
According to above-described number 1,5 it is found that control unit 16 is being judged as elevator door closing and electricity according to elevator information
In terraced carriage without passenger in the case where, stop the movement that is recorded in photologging information in non-volatile memories portion.
As shown in above example, control unit 16 receives the elevator information for showing elevator situation from elevator control gear 4, according to
According to elevator information select the video stream being stored in volatile storage portion 12 and reduce video stream in either as image
Information is recorded, and selected photologging information is recorded in non-volatile memories portion 17.
In the following, the action example about control unit 16, is further described referring to Fig. 3.Fig. 3 is the control unit for showing Fig. 1
The timing diagram of 16 action example.
It illustrated in Fig. 3 at the time of receive from the elevator information that elevator control gear 4 is sent, include in elevator information
Operation information, door opening and closing information and boarding information is respective changes with time and control unit 16 is by video stream and diminution
The movement being recorded in non-volatile memories portion 17 either in video stream as photologging information changes with time.
Also, in Fig. 3, as operation information, door opening and closing information and respective one to change with time of boarding information
Example, it is contemplated that these information are changed as described below.
That is, operation information during 12:00:00~12:00:17 and after 12:00:30 during in be that electricity is shown
Ladder is in the information stopped.Operation information during 12:00:17~12:00:30 and after 12:00:30 during in be
Elevator is shown and is in the information in advancing.
Door opening and closing information is during 12:00:00~12:00:05, during 12:00:15~12:00:32 and 12:
It is the information for showing elevator door closing in during after 00:45.Door opening and closing information is during 12:00:05~12:00:15
And during 12:00:32~12:00:45 in be show elevator door opening information.
Boarding information during 12:00:00~12:00:08 and after 12:00:40 during in be that elevator is shown
The not no information of passenger in carriage.Boarding information during 12:00:08~12:00:40 in be to show to have in lift car to multiply
The information of visitor.
As shown in figure 3, control unit 16 connects according to from elevator control gear 4 in during 12:00:00~12:00:05
The elevator information received is judged as that elevator is in stop, door closing and lift car without passenger.In this case, it controls
Portion 16 processed stops the movement being recorded in photologging information in non-volatile memories portion 17.
Then, in 12:00:05, elevator control gear 4 makes an opening.During 12:00:05~12:00:08, control
Portion 16 processed is judged as that elevator is stopped, door is opened and is not had in lift car according to the elevator information received from elevator control gear 4
There is passenger.In this case, control unit 16 selects the video stream being stored in volatile storage portion 12 as photologging
Information.
Then, in 12:00:08, occupant ride elevator.During 12:00:08~12:00:15, control unit 16
According to the elevator information received from elevator control gear 4, it is judged as that elevator is stopped, door is opened and has passenger in lift car.?
In this case, control unit 16 selects the video stream being stored in volatile storage portion 12 as photologging information.
Then, in 12:00:15, elevator control gear 4 makes a closing.During 12:00:15~12:00:17, control
Portion 16 processed is judged as that elevator is stopped, door is closed and is had in lift car according to the elevator information received from elevator control gear 4
Passenger.In this case, control unit 16 selects the video stream being stored in volatile storage portion 12 to believe as photologging
Breath.
Then, in 12:00:17, elevator control gear 4 starts the traveling of elevator.In the phase of 12:00:17~12:00:30
Between in, control unit 16 according to the elevator information received from elevator control gear 4, be judged as elevator advance in, door is closed and electricity
There is passenger in terraced carriage.In this case, control unit 16 selects the diminution video stream being stored in volatile storage portion 12
As photologging information.
Also, in 12:00:17, photologging information is switched to by control unit 16 by video stream to be reduced video stream and records
In non-volatile memories portion 17.In this case, after control unit 16 is according to the video stream and switching before making switching shown in Fig. 2
Diminution video stream temporal information it is continuous.Therefore, switch the photologging information of front and back temporal information be it is continuous, thus
Photologging information can continuously be reproduced.
Then, in 12:00:30, elevator reaches dock floor, thus elevator control gear 4 stops the traveling of elevator.?
During 12:00:30~12:00:32, control unit 16 is judged as according to the elevator information received from elevator control gear 4
Elevator is stopped, door is closed and has passenger in lift car.In this case, the selection of control unit 16 is stored in volatile storage
Video stream in portion 12 is as photologging information.
Also, in 12:00:30, photologging information is switched to video stream by diminution video stream and recorded by control unit 16
In non-volatile memories portion 17.In this case, control unit 16 according to the diminution video stream before making switching shown in Fig. 2 and is cut
The temporal information of video stream after changing is continuous.Therefore, switch the photologging information of front and back temporal information be it is continuous, thus
Photologging information can continuously be reproduced.
Then, in 12:00:32, elevator control gear 4 makes an opening.During 12:00:32~12:00:40, control
Portion 16 processed is judged as that elevator is stopped, door is opened and is had in lift car according to the elevator information received from elevator control gear 4
Passenger.In this case, control unit 16 selects the video stream being stored in volatile storage portion 12 to believe as photologging
Breath.
Then, in 12:00:40, all passengers are from elevator descending stair.During 12:00:40~12:00:45, control
Portion 16 is judged as that elevator is stopped, door is opened and is not had in lift car according to the elevator information received from elevator control gear 4
Passenger.In this case, control unit 16 selects the video stream being stored in volatile storage portion 12 to believe as photologging
Breath.
Then, in 12:00:45, elevator control gear 4 makes a closing.After 12:00:45, do not multiply in lift car
Visitor, door are also switched off.Therefore, control unit 16 is acted as described below, to inhibit photologging information to non-volatile
The useless record of storage unit 17.
That is, the selection of control unit 16 is stored in easily until 12:00:46 after for example playing at the time of closing from door 1 second
Video stream in the property lost storage unit 12 is as photologging information.After 12:00:46, control unit 16 stops photologging
Information is recorded in the movement in non-volatile memories portion 17.
According to the present embodiment described above 1, constitute are as follows: according to the elevator information received from elevator control gear,
Select the video stream being stored in volatile storage portion and reduce video stream in either as photologging information, by institute
The photologging information of selection is recorded in non-volatile memories portion.
Thereby, it is possible to cut down the memory capacity of the storage device recorded to the image of surveillance camera shooting, and
The image being recorded in storage device can continuously be reproduced.
That is, elevator passenger just under the situation of boarding, i.e., the shape that is moving and be prone to accidents etc. in passenger
Under condition, the higher video stream of the resolution ratio of image can be recorded in non-volatile memories portion.Also, the passenger of elevator not
Under the situation of boarding, i.e., when elevator in traveling, the movement of passenger is less and be not susceptible to accident etc. situation under, can will
The lower diminution video stream of the resolution ratio of image is recorded in non-volatile memories portion.Therefore, non-volatile memories can be cut down
The storage region that portion uses, as a result, the memory capacity in non-volatile memories portion can be cut down.
In addition, being recorded in the video stream in non-volatile memories portion and reducing in video stream, reducing video stream is from original
Video stream adopt as heir time information and generate.Therefore, photologging information is being recorded as reducing image by video stream switching
In the case where being recorded as video stream by the switching of diminution video stream in the case where stream and by photologging information, switch front and back
The temporal information of photologging information is continuous.As a result, due to the temporal information of photologging information be it is continuous, because
And it can continuously reproduce photologging information.
Embodiment 2
The monitoring arrangement 1 illustrated in embodiments of the present invention 2 is configured to, compared to the knot of embodiment 1 before
Structure generates diminution image data by the method different from embodiment 1 before.In addition, being saved in present embodiment 2
The explanation of content slightly identical with embodiment 1 before, is said centered on the content different from embodiment 1 before
It is bright.
Here, image processing part 14 is configured to be stored in volatile storage portion 12 in embodiment 1 before
The resolution ratio of image data reduce, generate and be reduced the image data of resolution ratio as reducing image data.
In contrast, in present embodiment 2, image processing part 14 is according to constituting as described below.That is, image procossing
Portion 14 is compared pre-prepd referring to image data and the image data being stored in volatile storage portion 12, thus
Difference section is detected from image data.Also, image processing part 14 extracts the difference comprising detecting from image data
Region including part is as extraction region.In addition, image processing part 14 is generated from the shadow for being stored in volatile storage portion 12
As data overall region in only interception extract region obtained from image data as reduce image data.
Fig. 4 is the block diagram for showing the structure of elevator monitoring system of embodiments of the present invention 2.In Fig. 4, monitoring dress
Setting 1 has input control portion 11, volatile storage portion 12, lsb decoder 13, image processing part 14, coding unit 15, control unit 16, non-
Volatile storage portion 17, non-volatile interim storage unit 18 and duplication control unit 19.
Image processing part 14 has referring to image store portion 142, mobile test section 143 and extraction unit 144.
It is saved referring to image store portion 142 pre-prepd referring to image data.It is pre-prepd to be referring to image data
Data as the comparison other for detecting difference section from the image data for being stored in volatile storage portion 12.
In the following, illustrating to be stored in an example referring to the reference image data in image store portion 142 referring to Fig. 5.Fig. 5 is
Figure in Fig. 4 referring to an example of the reference image data saved in image store portion 142 is shown.As shown in figure 5, being taken the photograph by monitoring
The image obtained inside lift car when the door for the elevator that camera 3 is shot is off without people's boarding, as referring to image number
According to being stored in advance in referring in image store portion 142.
Mobile test section 143 deposits the image data being stored in volatile storage portion 12 and being stored in referring to image
Being compared in storage portion 142 referring to image data, thus detects difference section from image data.
In the following, illustrating an example of the movement of mobile test section 143 referring to Fig. 6.Fig. 6 is the volatile storage shown in Fig. 4
The figure of an example of the image data saved in portion 12.As shown in fig. 6, in people's boarding by surveillance camera 3 when in lift car
The image taken is stored in volatile storage portion 12 as image data.
Mobile test section 143 is for example carried out by reference image data as shown in Figure 5 and image data as shown in FIG. 6
In the case where comparing, detect 2 people of passenger as difference section from image data.
Extraction unit 144 is extracted from the image data for being stored in volatile storage portion 12 comprising by mobile test section 143
Region including the difference section detected is as extraction region.Then, extraction unit 144 is generated from being stored in volatile storage
Only (the hereinafter referred to as extraction image number of image data obtained from region is extracted in interception in the overall region of the image data in portion 12
According to) as image data is reduced, which is stored in volatile storage portion 12.
In the following, illustrating an example of the movement of extraction unit 144 referring to Fig. 7.Fig. 7 is to show to extract by the extraction unit 144 of Fig. 4
The figure in extraction region out.In addition, will be mentioned by extraction unit 144 for what image data as shown in FIG. 6 extracted in Fig. 7
Take region to be illustrated as region surrounded by the dotted line (hereinafter, referred to as dashed region).
As shown in fig. 7, extraction unit 144 extract comprising with the difference section that is detected by mobile test section 143 is comparable multiplies
Region, that is, dashed region of objective 2 people is as extraction region.Specifically, extraction unit 144 is found out comprising being examined by mobile test section 143
The coordinate value up and down in the region including the difference section measured, extract to the coordinate value plus preassigned constant and
Obtained region is as extraction region.In addition, extraction unit 144 is so that asperratio and be stored in volatile storage portion 12
The identical mode of original image data to extract region extract.
Coding unit 15 is as embodiment 1 before, according to H.264 equal dynamic image compression standards to passing through extraction unit
The 144 diminution image datas being stored in volatile storage portion 12 are encoded and generate diminution video stream, and by the diminution
Video stream is stored in volatile storage portion 12.
It according to the present embodiment described above 2, constitutes are as follows: compared to the structure of embodiment 1 before, substitution is generated
The image data of resolution ratio has been reduced as diminution image data, and has extracted region from image data, has been generated from shadow
As data whole region in only interception extract region obtained from extraction image data as reduce image data.
As a result, when the passenger of elevator is under situation not in boarding, will only can have in lift car mobile
Image, that is, passenger photologging in region is in non-volatile memories portion, as a result, can further cut down non-volatile
The storage region that storage unit uses.
Embodiment 3
The monitoring arrangement 1 illustrated in embodiments of the present invention 3 is configured to, compared to the knot of embodiment 2 before
Structure preferentially makees video stream in the case where detecting difference section from the region other than the extraction region in image data
It is recorded in non-volatile memories portion 17 for photologging information.In addition, being omitted and implementation before in present embodiment 3
The explanation of mode 1,2 identical contents is illustrated centered on the content different from embodiment 1,2 before.
Here, in embodiment 2 before, even mobile test section 143 is from being stored in volatile storage portion 12
Image data in, detect difference section in the region other than the extraction region extracted by extraction unit 144 in the case where, control
Portion 16 also carries out movement identical with embodiment 1 before.That is, control unit 16 is according to receiving from elevator control gear 4
Elevator information, select the video stream for being stored in volatile storage portion 12 and reduce video stream in either as photologging
Information.
In contrast, in present embodiment 3, when mobile test section 143 is in the shadow for being stored in volatile storage portion 12
In the case where detecting difference section in region in data, other than extraction being extracted by extraction unit 144 region, control unit
16 movements being discussed below.That is, independently with the elevator information that receives from elevator control gear 4, control unit 16 is preferential
Select the video stream being stored in volatile storage portion 12 as photologging information.
Even that is, being judged as that elevator has passenger in traveling, in elevator door closing and lift car according to elevator information
In the case where, as long as mobile test section 143 detects that difference section, control unit 16 select in the region extracted other than region
Video stream reduces video stream as photologging information.
Alternatively, it is also possible to be configured to, difference section is being detected from the region other than the extraction region in image data
In the case where, video stream at the time of control unit 16 is by than detecting the difference section by former seconds is stored in non-volatile deposit
In storage portion 17.
It according to the present embodiment described above 3, constitutes are as follows: compared to the structure of embodiment 2 before, when being protected
In the case where detecting difference section in region other than the extraction region being stored in the image data in volatile storage portion, with electricity
Terraced information independently, preferentially selects the video stream being stored in volatile storage portion as photologging information.
It, can be by image when there is a situation where following situation as a result, in the case where the passenger of elevator is not the situation in boarding
The video stream that region is greater than diminution video stream is recorded in non-volatile memories portion: above-mentioned condition refers to, is extracting other than region
Region in there is mobile situation, for example moved in the passenger being once located at the position that not monitored video camera is shot
And the passenger is caused to enter the situation in the camera coverage of surveillance camera；It is inclined suddenly in drawing being set in lift car etc.
From situation etc..Even as a result, elevator traveling in, elevator door close and lift car in have passenger in the case where,
Also can will unexpected situation as described above as photologging in non-volatile memories portion.
Embodiment 4
The monitoring arrangement 1 illustrated in embodiments of the present invention 4 is configured to, compared to the knot of embodiment 2 before
Structure generates the diminution image data comprising a series of amplification zoom (zoom up) image data, this series of amplification zoom
Image data, which is shown, gradually amplifies change in the overall region relative to the image data being stored in volatile storage portion 12
Coke extracts the change procedure for amplifying zoom when region.In addition, in present embodiment 4, omit with embodiment 1 before~
The explanation of 3 identical contents, is illustrated centered on the content different from Embodiments 1 to 3 before.
Here, being configured in embodiment 2 before, extraction unit 144 is extracted from image data extracts region, raw
At from only interception extracts extraction image data obtained from region as diminution image data in the overall region of image data.
In contrast, it is configured in present embodiment 4, relative to above-mentioned diminution image data, extraction unit 144 is generated
Diminution image data comprising a series of amplification zoomed image data, this series of amplification zoomed image data are shown
Overall region relative to image data is gradually to the change procedure for amplifying zoom extracted when region amplifies zoom.
In the following, illustrating a series of amplification zoom for including in the diminution image data generated by extraction unit 144 referring to Fig. 8
Image data.Fig. 8 is to show include one in the diminution image data generated by the extraction unit 144 of embodiments of the present invention 4
The figure of an example of series amplification zoomed image data.Dashed region shown in Fig. 8 is carried out in order to illustrate the region to be amplified
Diagram, dashed region is not shown in actual data.
As shown in figure 8, extraction unit 144 is generated comprising showing relative to the shadow being stored in volatile storage portion 12
As the overall region of data is gradually to amplify zoom change procedure one extracted when region, that is, dashed region amplifies zoom
The diminution image data of the amplification zoomed image data of series.A series of amplification zoomed image data are for example configured to
Image data (a)；By so that the identical mode of resolution ratio relative to image data (a) overall region gradually to extract area
Domain amplifies obtained from zoom, extracts the image data (b) after region is amplified zoom, (c)；And from image data
(a) only image data (d) obtained from region is extracted in interception in overall region.
In this way, extraction unit 144 generates the diminution image data comprising a series of amplification zoomed image data, it is this series of
Amplification zoomed image data show the overall region relative to the image data being stored in volatile storage portion 12 by
Gradually to the change procedure for amplifying zoom extracted when region amplifies zoom.
In addition, extraction unit 144 also can be generated for above-mentioned structure also restores (zoom comprising a series of zoom
Back) the diminution image data of image data, this series of zoom reconstructed images data are shown relative to extraction image
The change procedure that the overall region of data gradually restores the zoom extracted when region carries out zoom recovery.A series of zoom is multiple
Former image data is for example configured to include: image data (d)；By so that the identical mode of resolution ratio relative to image data
(d) overall region gradually to extract region carry out obtained from zoom recovery, extract the reduced image data (c) in region,
(b)；And image data (a).
Fig. 9 is the timing diagram for showing the action example of control unit 16 of embodiments of the present invention 4.In addition, in Fig. 9, fortune
Transfering the letter breath, door opening and closing information and boarding information it is respective change with time it is identical as Fig. 3 before.
As shown in figure 9, control unit 16 is according to the elevator information received from elevator control gear 4, judgement in 12:00:17
To have passenger in elevator traveling, in door closing and lift car.In this case, control unit 16 is to include a series of amplification
The mode of zoomed image data is recorded in video stream is reduced in non-volatile memories portion 17.
Also, in 12:00:30, control unit 16 is judged as electricity according to the elevator information received from elevator control gear 4
Ladder is stopped, door is closed and has passenger in lift car.In this case, first to include a series of zoom reconstructed images number
According to mode by reduce video stream be recorded in non-volatile memories portion 17, video stream is then recorded in non-volatile memories portion
In 17.
Alternatively, it is also possible to be configured to, as illustrated by the embodiment 3 as in the previous, from the extraction in image data
The case where detecting difference section in region other than region is inferior require emergency in the case where, control unit 16 is preferentially by image
Stream is recorded in non-volatile memories portion 17.
According to the present embodiment described above 4, constitute are as follows: compared to the structure of embodiment 2 before, generation includes
It is a series of amplification zoomed image data diminution image data, this series of amplification zoomed image data show relative to
The gradually amplification to extracting when region amplifies zoom of the overall region for the image data being stored in volatile storage portion
The change procedure of zoom.It can be easy to confirm in the reproduction of photologging information as a result, and the monitoring comparable extraction of range
Region is located at which part of the overall region of image data.
In addition, having carried out independent explanation to Embodiments 1 to 4, but disclosed structural example is distinguished in embodiment 1 to 4
It can be in any combination.
Label declaration
1 elevator monitoring arrangement；2 networks；3 surveillance cameras；4 elevator control gears；11 input control portions；12 volatibility
Storage unit；13 lsb decoders；14 image processing parts；15 coding unit；16 control units；17 non-volatile memories portions；18 non-volatile face
When storage unit；19 duplication control units；141 resolution ratio diminution portions；142 referring to image store portion；143 mobile test sections；144 extract
Portion.
Claims (8)
1. a kind of elevator monitoring arrangement, wherein the elevator is included with monitoring arrangement
Volatile storage portion；
Non-volatile memories portion；
Input control portion receives video stream from the surveillance camera being arranged in lift car, will receive the image
It is added to the video stream as time information at the time of stream, and the video stream is stored in the volatile storage portion；
Lsb decoder is decoded the video stream being stored in the volatile storage portion and generates image data,
The time information for being affixed to the video stream is added to the image data, and the image data is stored in institute
It states in volatile storage portion；
The capacity for being stored in the image data in the volatile storage portion is reduced and generates and contract by image processing part
The time information for being affixed to the image data is added to the diminution image data by small image data, and by institute
Diminution image data is stated to be stored in the volatile storage portion；
Coding unit encodes the diminution image data being stored in the volatile storage portion and generates diminution
Video stream will be affixed to the time information for reducing image data and be added to the diminution video stream, and will be described
Video stream is reduced to be stored in the volatile storage portion；And
Control unit receives the elevator information for showing the situation of elevator from elevator control gear, selects according to the elevator information
It either is stored in the video stream and the diminution video stream in the volatile storage portion and to believe as photologging
Breath, and the selected photologging information is recorded in the non-volatile memories portion.
2. elevator monitoring arrangement according to claim 1, wherein
The control unit
In the case where being judged as that elevator door is opened according to the elevator information, select the video stream as the photologging
Information,
It is being judged as that the elevator is stopped, the elevator door is closed and has passenger in the lift car according to the elevator information
In the case where, select the video stream as the photologging information,
It is being judged as the elevator in advancing, in elevator door closing and the lift car according to the elevator information
In the case where having passenger, select the diminution video stream as the photologging information.
3. elevator monitoring arrangement according to claim 2, wherein
The control unit is being judged as in the elevator door closing and the lift car without passenger according to the elevator information
In the case where, stop the movement photologging information being recorded in the non-volatile memories portion.
4. elevator monitoring arrangement according to any one of claims 1 to 3, wherein
Described image processing unit has resolution ratio diminution portion, which, which reduces, is stored in the volatile storage portion
The image data resolution ratio, generate the resolution ratio it is reduced obtained from the image data as the diminution shadow
As data.
5. elevator monitoring arrangement according to any one of claims 1 to 3, wherein
Described image processing unit includes
Referring to image store portion, save pre-prepd referring to image data；
Mobile test section, by the image data being stored in the volatile storage portion and is stored in the reference
Described in image store portion is compared referring to image data, thus detects difference section from the image data；With
And
Extraction unit from the image data for being stored in the volatile storage portion, is extracted comprising by the mobile inspection
The region for the difference section that survey portion detects only is cut from the overall region of the image data as region, generation is extracted
Take extraction image data obtained from the extraction region as the diminution image data.
6. elevator monitoring arrangement according to claim 5, wherein
When the mobile test section in the image data for being stored in the volatile storage portion by the extraction unit
In the case where detecting difference section in region other than the extraction region extracted, the control unit with from the elevator control
The elevator information that device processed receives independently, preferentially selects the video stream as the photologging information.
7. elevator monitoring arrangement according to claim 5 or 6, wherein
The extraction unit generates the diminution image data comprising a series of amplification zoomed image data, and this series of puts
Big zoomed image data are shown in the overall region relative to the image data for being stored in the volatile storage portion
The change procedure for amplifying zoom when zoom is gradually amplified to the extraction region.
8. elevator monitoring arrangement according to claim 7, wherein
The extraction unit generates the diminution image data comprising a series of zoom reconstructed images data, this series of change
Burnt reconstructed images data are shown from the extraction region, gradually zoom is restored to being stored in the volatile storage portion
The change procedure that zoom when the overall region of the image data restores.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2016/086394 WO2018105059A1 (en) | 2016-12-07 | 2016-12-07 | Elevator monitoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110035967A true CN110035967A (en) | 2019-07-19 |
| CN110035967B CN110035967B (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680090773.0A Active CN110035967B (en) | 2016-12-07 | 2016-12-07 | Monitoring device for elevator |
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| Country | Link |
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| JP (1) | JP6604616B2 (en) |
| CN (1) | CN110035967B (en) |
| WO (1) | WO2018105059A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020095424A1 (en) * | 2018-11-09 | 2020-05-14 | 三菱電機株式会社 | Elevator video output device and elevator apparatus |
| WO2021199403A1 (en) * | 2020-04-02 | 2021-10-07 | 三菱電機株式会社 | Elevator image data processing device and elevator image data processing method |
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| JPH10243379A (en) * | 1997-02-25 | 1998-09-11 | Techno Field:Kk | Elevator monitor system |
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2016
- 2016-12-07 JP JP2018555382A patent/JP6604616B2/en active Active
- 2016-12-07 CN CN201680090773.0A patent/CN110035967B/en active Active
- 2016-12-07 WO PCT/JP2016/086394 patent/WO2018105059A1/en active Application Filing
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| JP2002037555A (en) * | 2000-07-07 | 2002-02-06 | Otis Elevator Co | Image and voice delivery system of elevator |
| JP2005239355A (en) * | 2004-02-26 | 2005-09-08 | Tietech Co Ltd | Video image recording device in elevator car |
| JP2006021852A (en) * | 2004-07-06 | 2006-01-26 | Toshiba Elevator Co Ltd | Recording system of in-car image of elevator |
| CN102066225A (en) * | 2008-08-27 | 2011-05-18 | 三菱电机株式会社 | Elevator monitoring device |
| CN202729499U (en) * | 2012-08-16 | 2013-02-13 | 浙江西屋电梯股份有限公司 | Elevator monitoring system base on interfaces of Internet of Things |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6604616B2 (en) | 2019-11-13 |
| WO2018105059A1 (en) | 2018-06-14 |
| CN110035967B (en) | 2020-09-11 |
| JPWO2018105059A1 (en) | 2019-03-07 |
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