CN207820033U - A kind of analog video camera - Google Patents
A kind of analog video camera Download PDFInfo
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- CN207820033U CN207820033U CN201721364018.5U CN201721364018U CN207820033U CN 207820033 U CN207820033 U CN 207820033U CN 201721364018 U CN201721364018 U CN 201721364018U CN 207820033 U CN207820033 U CN 207820033U
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Abstract
The application provides a kind of analog video camera, which includes imaging sensor, intelligent chip, image signal processing chip, microprocessor and Video Quality Metric chip, and described image sensor is charge coupling device or complementary metal oxide conductor device；The intelligent chip is connected with described image sensor, described image signal processing chip and the microprocessor respectively, and described image signal processing chip is connected with the intelligent chip and the Video Quality Metric chip respectively.The analog video camera increases the function of obtaining intelligent data, can mitigate the computational burden of rear end equipment.
Description
Technical field
This application involves image processing techniques more particularly to a kind of analog video cameras.
Background technology
Current analog video camera is mainly used for acquisition image and not only needs image data for monitoring system, also
Intelligent data, so-called intelligent data is needed to be primarily referred to as the target information extracted in image recognition processes, such as face
Information, object information, information of vehicles etc., at present in the monitoring system of application simulation video camera, the extraction of intelligent data need according to
It is realized by rear end equipment, this adds increased the computational burdens of rear end equipment.
Utility model content
In view of this, the application provides a kind of analog video camera.
According to the analog video camera of the offer of the utility model embodiment, including
Imaging sensor, intelligent chip, image signal processing chip, microprocessor and Video Quality Metric chip, described image
Sensor is charge coupling device or complementary metal oxide conductor device；
The intelligent chip, respectively with described image sensor, described image signal processing chip and the microprocessor
It is connected, the bayer picture signals are simultaneously sent to institute by the bayer picture signals for receiving described image sensor output
State image signal processing chip；
The intelligent chip is additionally operable to output digital intelligent signal and by the digital intelligent signal transmission to micro- place
Manage device；
The microprocessor, the digital intelligent signal for receiving the intelligent chip transmission；
Described image signal processing chip is connected with the Video Quality Metric chip, for receiving the intelligent chip transmission
The Bayer picture signals, the Bayer picture signals are converted into data image signal, and the digital picture is believed
Number it is transferred to Video Quality Metric chip；
The Video Quality Metric chip has coaxial cable interface.
Optionally, the Video Quality Metric chip, also connect with the microprocessor, for receiving the microprocessor transmission
Digital intelligent signal；
The Video Quality Metric chip, be additionally operable to will to receive the digital intelligent signal and the data image signal do it is folded
It is exported after adding processing.
Optionally, the Video Quality Metric chip is additionally operable to the data image signal received carrying out digital-to-analogue conversion
And generate analog picture signal；
The Video Quality Metric chip is additionally operable to for the digital intelligent signal to be inserted into the blanking of the analog picture signal
It is inserted into specified effective data line in the analog picture signal in row or by the digital intelligent signal.
Optionally, described image signal processing chip is also connect with the microprocessor, for receiving the microprocessor
The digital intelligent signal of output；
Described image signal processing chip is additionally operable to believe the digital intelligent signal received and the digital picture
Overlap-add procedure number is done, generates a digital signal and by the digital data transmission to the Video Quality Metric chip；
The digital signal that the Video Quality Metric chip is additionally operable to receive does digital-to-analogue conversion, generates a simulation letter
Number.
Optionally, described image signal processing chip is additionally operable to the digital intelligent signal received and the number
Picture signal does overlap-add procedure, including：
Described image signal processing chip is additionally operable to digital described in the digital intelligent signal covering part that will be received
Picture signal.
Optionally, the Video Quality Metric chip includes：
First digital analog converter is connected with the microprocessor, the digital intelligent for receiving the microprocessor transmission
The digital intelligent signal, is converted to the first analog signal of first frequency by signal, and by first analog signal transmission
To rear end equipment；
Second digital analog converter is connected with described image signal processing chip, for receiving described image signal processing core
The data image signal, is converted to the second analog signal of second frequency by the data image signal of piece transmission, and described the
Two analog signal transmissions are to rear end equipment.
Optionally, further include alarm controller and alarm；
The microprocessor is also connect with the alarm controller；
The alarm controller is connected with the alarm, controls signal for generating digital alarm, and by the number
Word alarm control signal is transferred to the alarm；
The alarm, the digital alarm control signal for receiving the alarm controller transmission carry out abnormal report
It is alert.
Optionally, the alarm is loud speaker or alarm lamp.
Optionally, the digital intelligent signal includes at least one of：The color of target object, the wheel of target object
Mark that exterior feature, the shape of target object, the area of target object, target object carry, the concentration of target object, target object
Characteristic value, the direction of motion of target object, the texture of target object, the position of target object, target object local feature.
Optionally, further include：
Fuselage is enclosed by main case, upper cover, lower cover and rear cover and is set, and offers camera aperture on the main case；
Main support is set in the fuselage, and be fixedly connected on it is described after cover；
Power panel and mainboard are respectively fixedly connected on the main support；
Protecgulum offers loophole, and the protecgulum is connect with the main case, and the central axis of the loophole and institute
The central axis for stating camera aperture overlaps；
Front end-plate is also fixedly connected in the protecgulum, described image sensor is set on the front end-plate；
Camera lens, the camera lens are removably attachable at the loophole of the protecgulum and rotatably connect with the camera aperture
It connects；
The intelligent chip, image signal processing chip, microprocessor and Video Quality Metric chip are respectively arranged at the master
On plate.
Optionally, further include：
Front end printed circuit metal plate, is set in the drive end bearing bracket, and the front end-plate is fixedly connected on the front end printing
On circuit metal plate；
Double optical-filter switchers are set in the drive end bearing bracket, are located in front of described image sensor, and be fixedly connected on
On the front end printed circuit metal plate.
Optionally, further include：
Barn door is set in the drive end bearing bracket, the position between the front end-plate and the main case, and described
Mounting hole is offered on barn door.
Optionally, auto iris interface is provided on the main support, the auto iris interface is fixedly connected on aperture
In interface cradle.
Optionally, the Video Quality Metric chip receives the digital alarm of external equipment input by coaxial cable interface
Signal；
The analog video camera further includes a memory；
The memory, for storing the digital alarm signal and the digital intelligent signal.
The analog video camera of the utility model embodiment, by the scheme of above-described embodiment it is found that the analog video camera not only
Have the function of acquiring image data, also has and the work(that intelligent measurement obtains digital intelligent signal is carried out to bayer picture signals
Can, analog video camera function increases, and extends the function of analog video camera.
Description of the drawings
Fig. 1 is a kind of block diagram of analog video camera shown in one exemplary embodiment of the application；
Fig. 2 is a kind of block diagram of analog video camera shown in the application another exemplary embodiment；
Fig. 3 is a kind of schematic diagram of image scanning mode shown in one exemplary embodiment of the application；
Fig. 4 is the symbol description table of each scan line in Fig. 3；
Fig. 5 is a kind of block diagram of analog video camera shown in the application another exemplary embodiment；
Fig. 6 is a kind of explosive view of analog video camera shown in the application another exemplary embodiment.
Specific implementation mode
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of consistent device and method of some aspects be described in detail in claims, the application.
It is the purpose only merely for description specific embodiment in term used in this application, is not intended to be limiting the application.
It is also intended to including majority in the application and "an" of singulative used in the attached claims, " described " and "the"
Form, unless context clearly shows that other meanings.
The embodiment of the present application provides a kind of analog video camera, shown referring to Fig.1, and analog video camera 001 includes image sensing
Device 12, intelligent chip 13, image signal processing chip 14, microprocessor 15 and Video Quality Metric chip 16.
Intelligent chip 13 is connected with imaging sensor 12, image signal processing chip 14 and microprocessor 15 respectively, uses
In the bayer picture signals for receiving imaging sensor output and bayer picture signals are sent to image signal processing chip；
Intelligent chip 13 is additionally operable to the digital intelligent signal of output one and by digital intelligent signal transmission to microprocessor
15；
Microprocessor 15, the digital intelligent signal for receiving the transmission of intelligent chip 13.
Above-mentioned analog video camera (hereinafter referred to as video camera) can be the video camera of various structures, for example, spherical shooting
Machine, lumen type video camera, holder camera or thermal camera etc..
Bayer picture signals are the original image signal of imaging sensor output, which is Bayer lattice
The picture signal of formula, the general entitled .raw of suffix, includes the signal of tri- kinds of colors of RGB.
Imaging sensor 12 (is also known as photosensitive element, photoelectric chip or photosensor chip), and it is in battle array to have in imaging sensor
Light is converted into electric signal by multiple photosensitive units of column distribution, each photosensitive unit when being irradiated by light, each is photosensitive
The electric signal of unit corresponds to a point in picture, which is properly termed as pixel, and it is in battle array that a width picture, which can be regarded as by many,
The image of the pixel composition of column distribution.
The set that imaging sensor corresponds to each electric signal that each pixel generates in a width picture constitutes a width picture
The picture signal of picture signal, imaging sensor output is original image signal.
Imaging sensor can be charge coupling device (Charge Coupled Device, abbreviation CCD) or complementary gold
Belong to oxide conductor device (Complementary Metal-Oxide Semiconductor, abbreviation CMOS).
Original image signal includes the information of each pixel in image, that is, includes image data, can pass through intelligent chip pair
Bayer picture signals do intelligent measurement and obtain digital intelligent signal, and intelligent measurement includes target detection, recognition of face, invasion inspection
Survey etc., the related intelligent data obtained by intelligent measurement is included in the digital intelligent signal.
Related intelligent data in the digital intelligent signal includes the letter for the target object that intelligent measurement extracts in the process
Breath, the information of target object can specifically include, the color of target object, the profile of target object, the shape of target object, mesh
Mark the area of object, mark, the concentration of target object, the characteristic value of target object, the fortune of target object that target object carries
Dynamic direction, the texture of target object, the position of target object, target object local feature etc..
Above-mentioned target object can be a variety of, for example, people, animal, vehicle, smog, fire etc., above-mentioned target object it is dense
Degree for example can be the concentration of smog；The characteristic value of target object refers to is used to indicate article spy by what image recognition algorithm obtained
The value of sign, this feature value are, for example, to be taken out to details to the gross feature of object by deep learning neural network recognition method
The feature vector as obtained from, this feature value can accurately indicate the article identified, have opposite uniqueness；Mesh
The texture of mark object refers to decorative pattern or lines of body surface etc.；The position of target object refers to the position of target object in the picture；
The mark that target object carries refers to the number etc. for identifying the target object of target object carrying, such as the number-plate number；Mesh
The local feature of mark object refers to the feature of certain part of target object, for example, each body part of the feature of face, human body
The feature of the parts such as the feature, the logo of vehicle, the headstock of vehicle or the tailstock of (shoulder, hand, four limbs etc.).
Related intelligent data in above-mentioned digital intelligent signal can be the information of one or more target object, with
The intelligent measurement algorithm of use is related, can preset and is specifically identified to those target objects and then choose corresponding intelligence
It can detection algorithm.
Intelligent chip 13 can also be by the digital intelligent signal transmission of output to microprocessor 15, and microprocessor receives the number
It can be handled accordingly after word intelligent signal, for example, microprocessor can be according to certain coding rule by digital intelligent signal
It is compiled into the digital signal of specific format, which provides that the specific coding mode of digital intelligent signal, coding rule are
What microprocessor was made an appointment with rear end equipment, such rear end equipment can be received according to the coding rule decoding that this is made an appointment
Digital intelligent signal, and then obtain digital intelligent signal in related data.
Image signal processing chip 14 is connected with Video Quality Metric chip 16, for receiving the transmission of intelligent chip 13
Bayer picture signals are converted to data image signal, and data image signal are transferred to video and is turned by Bayer picture signals
Change chip 16.
As described above, Bayer picture signals are what imaging sensor directly exported, and Bayer picture signals can be electricity consumption
The corrugating analog picture signal that either current waveform indicates or the data image signal indicated in binary form, no matter
It is the Bayer picture signals of which kind of form, since the model or type of imaging sensor are different, then the Bayer images obtained
The format of signal may also be different, and Bayer picture signals also need to be transferred to rear end equipment or other equipment, these receive figure
As the equipment of signal usually has relatively uniform interface, therefore, image signal processing chip (Image Signal
Processor, referred to as, ISP) can according to the type of the interface of receiving device by Bayer image signal encodings at preset format
The data image signal of data image signal, the preset format for example can be to meet BT1200, BT656, BT601 interface mark
Accurate, SDI interface standards or standard usb interface signal etc..
If should be noted that Bayer picture signals are analog picture signal, image signal processing chip ISP is first
The analog picture signal is converted into data image signal, the digital picture of the not required format of data image signal at this time
Signal, therefore, it is also desirable to which the data image signal to be converted to the data image signal of predetermined format.
Data image signal includes the pixel value of each pixel indicated in binary form, including image region
The pixel value of each pixel, pixel value, that is, data representing image of each pixel of image region.
The pixel value of so-called pixel, specifically, piece image includes multiple pixels of matrix form arrangement, each
Pixel is the point of certain color, and pixel value indicates that the color of pixel, pixel value generally include R (red), G (green), B
(blue) component of three kinds of colors, if each color component binary representation of the pixel value of each pixel, each
The value of color component is " 1 " or " 0 ", the color represented by the pixel value of pixel each in this way may be 8 kinds of possible colors it
One.Certainly, pixel value can also include the component of other colors, for example, W other than the component of tri- kinds of colors of R, G, B
(white), Y (yellow) etc., the present embodiment is not construed as limiting this.
A series of individual images can be described as a frame image, and above-mentioned data image signal can be a frame image or multiframe
The data image signal of image.
The image of better quality in order to obtain can first be handled original image signal by ISP, then reconvert
At the data image signal of preset format.If Bayer picture signals are analog picture signal, ISP first believes Bayer images
Number it is converted into data image signal, then carries out above-mentioned processing again, if Bayer image informations are data image signal, ISP is straight
It connects and the data image signal is handled.
ISP handles original image signal, for example, carries out linearity rectification to Bayer picture signals, noise is gone
Remove, bad point repairing, color interpolation, white balance correction, exposure correction, the processing such as stabilization.It can improve after ISP is handled finally
The image quality of image.
Bayer picture signals are converted to after data image signal and by the data image signals by image signal processing chip
It is transferred to Video Quality Metric chip 16.
Video Quality Metric chip 16 has coaxial cable interface.
Video Quality Metric chip 16 can receive the data image signal of image signal processing chip transmission, with logarithm as needed
Word picture signal is handled.
Seen from the above description, digital intelligent signal is to be compiled acquisition to intelligent data, and data image signal is
Bayer picture signals are converted to, that is, include image data, Video Quality Metric chip is coaxial with being connect with coaxial cable
Cable interface therefore can after the data image signal being further converted to analog signal by the coaxial cable interface
It is transferred to rear end equipment by coaxial cable, after rear end equipment receives analog signal, image can be obtained according to the analog signal
Data.
Rear end equipment be, for example, network hard disk video recorder NVR (Network Video Recorder, abbreviation NVR) or
Digital video recorder DVR (Digital Video Recorder, abbreviation DVR).
By the scheme of above-described embodiment it is found that the analog video camera not only has the function of acquiring image data, also have
The function that intelligent measurement obtains digital intelligent signal is carried out to bayer picture signals, analog video camera function increases, and extends mould
The function of quasi- video camera.
The above-mentioned processing for digital intelligent signal and data image signal can there are three types of embodiment, individually below into
Row detailed description.
Embodiment 1
It is right referring to the schematic diagram of the hardware configuration shown in Fig. 2 including video camera and the monitoring system of rear end equipment
The embodiment of video camera provided by the utility model is described.
With reference to Fig. 2, which includes analog video camera 001 and rear end equipment 003, analog video camera 001 and rear end
Equipment 002 is connected by coaxial cable 003, and analog video camera 001 includes imaging sensor 12, intelligent chip 13, picture signal
Processing chip 14, microprocessor 15 and Video Quality Metric chip 16.
Intelligent chip 13 is connected with imaging sensor 12, image signal processing chip 14 and microprocessor 15 respectively；Figure
Picture signal processing chip 14 is connected with microprocessor 15 and Video Quality Metric chip 16, Video Quality Metric chip also 16 and microprocessor 15
Connection.
Video Quality Metric chip 16 is additionally operable to receive the digital intelligent signal that microprocessor 15 transmits, and is additionally operable to that number will be received
Word intelligent signal and data image signal export after doing overlap-add procedure.
In present embodiment, Video Quality Metric chip can not only receive the digital picture letter of image signal processing chip transmission
Number, the digital intelligent signal of microprocessor transmission can also be received, and fold to digital intelligent signal and data image signal
Add processing, Video Quality Metric chip can by its coaxial cable interface by after superposition digital intelligent signal and data image signal again
It is transferred to rear end equipment by coaxial cable, rear end equipment can be received from basis in digital intelligent signal and data image signal
Intelligent data can be directly acquired by obtaining intelligent data and image data, such rear end equipment, and not needing further operation can just obtain
It takes, therefore, the computational burden of rear end equipment can be mitigated.
In an optional embodiment, which is additionally operable to the data image signal that will be received
It carries out digital-to-analogue conversion and generates analog picture signal；It is additionally operable to for digital intelligent signal to be inserted into the blank lines of analog picture signal
In or digital intelligent signal is inserted into specified effective data line in analog picture signal.
For imaging sensor during light is converted into electric signal, the mode of generally use row scanning, row scanning can
Think top-down vertical scanning mode, i.e. every a line (can also interlacing scan) of progressive scanning picture from top to bottom；
Can be horizontal sweep mode from left to right, i.e. from left to right every a line (can also interlacing scan) of progressive scanning picture.
Below by taking vertical scanning as an example, illustrate that digital intelligent signal is inserted into analog picture signal middle finger in the present embodiment
Position the specific implementation set.
As shown in Figure 3 and Figure 4, it is assumed that the image region (i.e. valid data row) of piece image shares 1080 rows,
In scanning process, start to scan as starting point using the pixel of the leftmost sides first trip L3 of image region, when scanning is right to image
When lateral edges, left side is returned to, starts to carry out the scanning of the 2nd row below the starting point of the 1st row, the return course between row and row produces
Raw blank scanning area is known as horizontal blanking area, and after the footline L4 of scanning to image region, scanning element is from the right side of image
Lower Angle Position returns to the upper left position of image, starts the scanning of new frame image, and the blank that this time interval generates is swept
Retouch area and be called vertical blanking area, also referred to as field blanking area, due to scanning element from the lower right corner of image return image the upper left corner, because
This, can have vertical blanking area in the following above and of image.
By the above-mentioned scanning process to image it is found that a frame image signal is to scan the signal obtained per a line to form, because
This, picture signal is in addition to the valid data row including scan image region is (for example, between L3-L4 shown in Fig. 3
Row) except, further include horizontal scan blanking zone and the blank lines that vertical blanking area generates, horizontal blanking area may include multiple positions
In the blank line (midpoints Fig. 3 filling region) of horizontal direction, vertical blanking area may also include multiple skies positioned at vertical direction
Bai Hang, for example, the row in Fig. 3 between L1-L2 and L5-L6, can be known as blank lines by these blank lines.
Valid data row is generated by scan image region in picture signal, and therefore, valid data row includes figure
As the pixel value of each pixel of region, i.e. valid data row carries image data, since blank lines do not include image institute
In region, it includes valid data that blank lines, which can consider not, and above-mentioned picture signal can be with data image signal or simulation drawing
As signal, the data image signal of preset format is converted to after image signal processing chip is handled.
In the present embodiment, Video Quality Metric chip is first after the data image signal for receiving image signal processing chip transmission
It is first converted into analog picture signal, also, using these blank lines in analog picture signal, the number of intelligent data will be represented
Intelligent signal is inserted in blank lines, and intelligent data is carried by blank lines, and digital intelligent signal is being inserted into analog image letter
After number, the image data that image region is not only carried in the analog picture signal further includes intelligent data.
Digital intelligent signal is inserted into specific implementation in the specified blank lines of analog picture signal to be in detail below situated between
It continues.
Assuming that total line number of piece image is m rows, total columns arranges for n, and wherein p (p is less than m) row represents valid data row,
Other are blank lines, and each pixel occupies 2 bytes, then a frame analog picture signal needs to occupy m*n*2 byte, if 1-
A rows, b-j behavior vertical blanking rows, 1-k are classified as horizontal blanking row, then blank lines can have (a-1) * n*2+ (k-1) * m*2 in total
Byte can distribute y byte from the total byte of blank lines and carry digital intelligent if digital intelligent signal needs y byte
Signal, the remaining byte of blank lines can carry other necessary informations, or not carry any information.It can be according to digital intelligent signal
Digital intelligent signal is divided into several parts and is inserted into several horizontal blanking rows respectively and several vertically disappears by required byte quantity
In hidden row, either digital intelligent signal is only inserted in the flat blank lines of as solid carbon dioxide or several vertical blanking rows.It utilizes in this way
The partial bytes of blank lines can indicate intelligent data, and the image data of image region is placed in valid data row.
With reference to foregoing description, digital intelligent signal is inserted into specific in specified effective data line of analog picture signal
Embodiment is：
Valid data row is generated by scan image region, and carrying is image data, image region
The fringe region of the top or bottom usually image, therefore, several behaviors of the first few lines of valid data row or end are swept
Retouch what above-mentioned fringe region generated, even if the image data for the image edge area that several rows of first few lines or end carry is occupied
With will not influence the display effect of image, therefore, in the present embodiment, digital intelligent signal can be inserted into valid data row
First few lines either several rows in end pass through several rows of first few lines or end and carry intelligent datas.
For being inserted into the blank lines of analog picture signal or being inserted into valid data row by digital intelligent signal
Byte number, the digital intelligent that specific location, valid data row are occupied in specific location, the analog picture signal of analog picture signal
The rules such as the byte number that signal occupies can pre-establish, and rule herein is that signal conversion chip is made an appointment with rear end equipment
, after rear end equipment receives the analog picture signal for inserting digital intelligent signal, can according to this in advance it is scheduled rule into
Row decoding, obtains intelligent data therein and image data.
Video camera other than above-mentioned rule of making an appointment, can also arrange other rules, for example, video camera with rear end equipment
The transmission rate of the signal transmitted between storage device, the type of the signal of transmission (for example, picture signal and audio signal),
The resolution format etc. of the signal of transmission.
It should be noted that shown in Fig. 2 is only a kind of being provided including the utility model for illustrative examples offer
Video camera monitoring system, can also have the monitoring system of other structures in practical applications, to this present embodiment and unlimited
It is fixed.
As shown in Figure 2, image signal processing chip ISP 14 is attached with imaging sensor 12, and reason is
In video camera practical application, ISP 14 also controls imaging sensor 12, and the two has signal interaction, for example, passing through ISP
Mode control, spectrum assignment etc. are scanned to imaging sensor.
Dotted line indicates intelligent signal (for example, the control of digital intelligent signal or ISP to imaging sensor in above-mentioned Fig. 2
Signal or other signals other than picture signal) it flows away to solid line indicates picture signal (Bayer picture signal sum numbers
Word picture signal etc.) flow away to.
Certain analog video camera is other than including structure shown in Fig. 2, generally according to the actual functional capability of analog video camera,
Can also include other hardware configurations and mechanical structure, for example, various types of alarms, zoom for generating alarm signal
Mechanism etc. repeats no more this.
So far, the description of embodiment 1 is completed.
Described in above-described embodiment 1 digital intelligent signal and data image signal processing one of which embodiment and
The hardware configuration of analog video camera, is described below another embodiment.
Embodiment 2
With reference to analog video camera structure shown in Fig. 2, in the present embodiment,
Image signal processing chip 14 is connect with microprocessor 13, the digital intelligent letter for receiving the output of microprocessor 13
Number；
The digital intelligent signal and data image signal that image signal processing chip 14 is additionally operable to receive is done at superposition
Reason generates a digital signal and by the digital data transmission to Video Quality Metric chip；
Video Quality Metric chip 16, the digital signal for being additionally operable to receive do digital-to-analogue conversion and generate an analog signal.
The present embodiment place unlike the embodiments above is, by image signal processing chip to digital intelligent signal sum number
Word picture signal does overlap-add procedure, and generates a digital signal, and by the digital data transmission to Video Quality Metric chip, video turns
It changes chip and the digital signal is further converted into an analog signal, to be connected by coaxial cable interface and coaxial cable
It connects, by the analog signal transmission to rear end equipment.
In an optional embodiment, image signal processing chip is for digital intelligent signal and data image signal
Overlap-add procedure mode can be：The digital intelligent signal covering part data image signal that will be received.
In the present embodiment mode, can directly use digital intelligent signal covering data image signal in part significant figure it is believed that
Number row either blank lines or other valid data rows, rather than data image signal is superimposed upon simulation drawing by way of insertion
In picture signal, then the data image signal is further converted into an analog picture signal by Video Quality Metric chip, with logical
It crosses coaxial cable interface and is transferred to rear end equipment.
So far the description of embodiment 2 is completed.
Embodiment 3
Referring to Figure 5, analog video camera 001 includes setting imaging sensor 12, intelligent chip 13, picture signal processing
Chip 14 and microprocessor 15, above-mentioned Video Quality Metric chip 16 include the first digital analog converter 161 and the second digital analog converter
162。
First digital analog converter 161, is connected with microprocessor 15, the digital intelligent letter for receiving the transmission of microprocessor 15
Number, digital intelligent signal is converted to the first analog signal of first frequency, and by the first analog signal transmission to rear end equipment；
Second digital analog converter 162, is connected with image signal processing chip 14, for receiving image signal processing chip 14
Data image signal is converted to the second analog signal of second frequency, and the second analog signal by the data image signal of transmission
It is transferred to rear end equipment.
In the present embodiment, the simulation that digital intelligent signal and digital sub-image signal are not converted into two kinds of different frequencies is believed
Number, the analog signal of different frequency can distinguish digital intelligent signal and data image signal, for the mould of first frequency
The regular video camera that the analog signal of quasi- signal and second frequency corresponds to digital intelligent signal and data image signal respectively can be with
It makes an appointment in advance with rear end equipment, when rear end equipment receives the analog signal of different frequency and then is converted into digital signal simultaneously
After decoding, it can know that the first model signals are the conversion of digital intelligent signal, the second model signals turn for data image signal
It changes, therefore, intelligent data and image data can be got, obscured without causing.
So far, the description of embodiment 3 is completed.
In some instances, as shown in figure 5, video camera 001 further includes alarm controller 17 and alarm 18,
Microprocessor 15 is also connect with alarm controller 17；
Alarm controller 17 is connected with alarm 18, controls signal for generating digital alarm, and by digital alarm control
Signal transmission processed is to alarm 18；
Alarm 18, the digital alarm control signal for receiving the transmission of alarm controller 17 carry out abnormal alarm.
In the present embodiment, after generating digital intelligent signal, which can be sent to alarm by microprocessor
Controller further carries out abnormal conditions judgement, specifically by alarm controller using the intelligent data in digital intelligent signal
Abnormal conditions judgment mode can there are many, by way of example, be, for example, the information for the target object that current intelligent data is represented
It is compared with the information of pre-stored legitimate targets, if it is not the same, thinking that current goal object is illegitimate target, judges
There are illegal invasions, that is, are abnormal situation；Or the information of the target object represented according to current intelligent data judges whether
For dangerous goods (fiery, inflammable and explosive etc.), if it is determined that dangerous goods, that is, be abnormal situation.
Digital alarm is generated when being abnormal situation and controls signal, and alarm is after receiving digital alarm control signal
Generate alarm signal and carry out abnormal alarm, instruction there are abnormal conditions, for the concrete form of alarm signal can there are many, example
Such as, the alarm lamp flicker in video camera or loud speaker make a sound.
In the present embodiment, which can not only obtain digital intelligent signal, can also further generate alarm signal
Number, the function of video camera is enhanced, and video camera can directly carry out abnormal conditions judgement, does not need rear end equipment and judge to occur
Warning message is retransmited when abnormal conditions to video camera, improves the promptness of alarm, it can also significantly more efficient realization alarm prison
Control.
It should be noted that above-mentioned imaging sensor, intelligent chip, image signal processing chip, microprocessor, video
Existing hardware knot can be used in conversion chip, the first digital analog converter, the second digital analog converter, alarm controller and alarm
Structure is realized, it is only necessary to which the existing hardware configuration of use has the ability for completing above-mentioned corresponding function, above-mentioned first digital-to-analogue
Converter and the second digital analog converter can also integrate on coax, can further simplify video camera and storage device
Structure.
Embodiment 4
Referring to analog video camera shown in fig. 6 structure to the embodiment of analog video camera provided by the utility model
It is described.
Fig. 6 show the explosive view of the video camera of the present embodiment, as shown in fig. 6, the video camera 001 includes：
Fuselage is enclosed and is set by main case 101, upper cover 102, lower cover 103 and rear cover 104, and opened up on main case 101
There is camera aperture 1011；
Main support 20, is set in fuselage, and is fixedly connected on rear cover 104；
Power panel 21 and mainboard 22, are respectively fixedly connected on main support 20；
Protecgulum 23 offers loophole 231, and protecgulum 23 is connect with main case 101, and the central axis of loophole 231 with
The central axis of camera aperture 1011 overlaps；
Front end-plate 24 is also fixedly connected in protecgulum 23, imaging sensor 12 is set on front end-plate 23；
Camera lens 11, camera lens 11 are removably attachable at the loophole 231 of protecgulum 23 and rotatably connect with camera aperture 1011
It connects；
Intelligent chip, image signal processing chip, microprocessor and Video Quality Metric chip (not shown) are respectively set
In on mainboard 22, as shown in fig. 6, polylith circuit board can be arranged on mainboard 22, for example, four pieces of circuit boards are arranged on mainboard 22
Above-mentioned intelligent chip, image signal processing chip, microprocessor and Video Quality Metric signal are separately positioned on above-mentioned by 30-33
Four pieces of circuit boards on, or intelligent chip, image signal processing chip, microprocessor and Video Quality Metric chip be arranged at
On one of circuit board, or intelligent chip, image signal processing chip, microprocessor and Video Quality Metric chip set respectively
It sets on wherein two pieces of four pieces of circuit boards or three pieces of circuit boards, is only to provide shown in the present embodiment Fig. 6 a kind of by intelligent core
The mode on mainboard is arranged in piece, image signal processing chip, microprocessor and Video Quality Metric chip, in practical applications,
It can be disposed on mainboard by other means, the utility model does not limit this.
There is video camera fuselage, fuselage to be used to carry each component needed for video camera, and fuselage is by main case 101, upper cover
102, lower cover 103 and rear cover 104 are enclosed and are set, and form the cavity with certain volume, and above-mentioned main support 20 can be arranged
In the cavity of fuselage, power panel 21 and mainboard 22 are respectively fixedly connected with after on main support 20, are also disposed at the cavity of fuselage
It is interior.
Fuselage also has protecgulum 23, offers loophole 231 thereon, can be in the camera aperture of loophole 231 and protecgulum 23
201 edge is respectively set screw thread, and the camera aperture 1011 of such loophole 231 and protecgulum is equivalent to screw hole, is arranged on camera lens 11
Camera lens 11 can be screwed onto at loophole 231 by corresponding screw thread, and be spirally connected with camera aperture 1011 across loophole 231, by mirror
First 11 are removably attachable on video camera, and certain camera lens can also be removably attachable to light transmission by other modes such as clampings
At hole 231 and camera aperture 1011, the present embodiment does not limit this.
Camera lens is usually located at the front end of fuselage, has the optical elements such as lens, prism, speculum, optical element in camera lens
The light in camera lens angular field of view can be acquired, the light of acquisition is converged in into imaging sensor position, and then pass through image
Sensor acquires image.
The above-mentioned camera structure of the present embodiment is compact, easy for installation.
So far, the description of embodiment 4 is completed.
In an optional embodiment, as shown in fig. 6, above-mentioned video camera can also include：
Front end printed circuit metal plate 25, is set in drive end bearing bracket 23, and front end-plate 24 is fixedly connected on front end printed circuit metal plate
On gold 25；
Double optical-filter switchers 26 are set in drive end bearing bracket 23, are located at the front of imaging sensor 12, and before being fixedly connected on
It holds on printed circuit metal plate 25.
In the present embodiment, front end-plate 24 is arranged on front end printed circuit metal plate 25, and then the setting of front end-plate 24 is existed
In drive end bearing bracket 23.
Double optical-filter switchers, include mainly optical filter and dynamical element, and optical filter includes not feeling infrared fileter and sense
Infrared fileter controls the position of two kinds of optical filters under dynamical element (for example, electromagnetism, motor or other dynamical elements) control
It sets.
When video camera works under conditions of daytime or brighter ambient light, logical dynamical element makes not feel infrared fileter
In front of imaging sensor, at this point, only visible light can pass through, the human eye black light meeting of infrared light or its all band
It is filtered, the colour cast problem of imaging sensor acquisition image can be corrected；When the video camera condition work very dark at night or light
When making, logical dynamical element makes sense infrared fileter be located in front of imaging sensor, at this point, infrared light and visible light is only allowed to pass through,
Other veiling glares can be filtered, are that the image of imaging sensor acquisition is more clear.
In some instances, it as shown in fig. 6, video camera can also include barn door 27, is set in drive end bearing bracket 23, position
Position between front end-plate 24 and main case 101 offers mounting hole 271 on barn door 27.
In this implementation, it is further provided with barn door 27, the mounting hole 271 on barn door 27 for camera lens 11 for wearing
It crosses, camera lens 11 is rotatably coupled at the camera aperture 1011 of main case 101.
Due to being usually provided with the All other routes etc. of various chips, circuit or video camera in fuselage, these components by
Light irradiation can influence its working performance and service life etc., therefore, barn door is arranged in the present embodiment, can be kept away with shading light
Exempt from part of the light except camera lens to enter in fuselage.
In some instances, as shown in fig. 6, being provided with auto iris interface 28 on the main support 20 of video camera, automatic light
Circle interface 28 is fixedly connected in aperture interface cradle 29.
It is the control for driving the aperture of camera lens to rotate automatically that the video camera of the present embodiment, which has auto iris interface, the interface,
The input interface of signal is output to the inside of camera lens by the interface video camera by signal is controlled, make aperture motor rotation with
Required position is turned to by aperture Motor Control aperture, and the auto iris interface can be fixedly connected on aperture interface
On holder, and then auto iris interface is fixedly connected on main support.
Video camera can also include back plate 34 as shown in FIG. 6, can be fixedly connected with the back plate 34 with rear cover 104, after this
Plate 34 can be used for connecting with the fixing bracket of installation video camera, play the role of fixed video camera.It can also be cut in double optical filters
Spring 35 is set between parallel operation 26 and front end printed circuit metal plate 25, double optical-filter switchers 26 are slowed down by spring and front end prints
The pressure generated due to vibrations between brush circuit metal plate 25, and then the image to being arranged on front end printed circuit metal plate 25 passes
Sensor 24 plays a protective role.
In an optional embodiment, it is defeated that Video Quality Metric chip can receive external equipment by coaxial cable interface
The digital alarm signal entered；
Analog video camera further includes a memory；Memory is for storing digital alarm signal and digital intelligent signal.
In the present embodiment, digital alarm signal can be sent to Video Quality Metric chip by external equipment, rather than pass through mould
Quasi- video camera itself generates digital alarm signal, which can be rear end equipment, or other terminal devices etc., and
Digital alarm signal and digital intelligent signal are stored by memory, the digital alarm signal of storage and digital intelligent signal can roots
According to carry out processing application etc..
Above-mentioned video camera, generally according to its actual functional capability, may be used also other than protecting the structure that above-described embodiment describes
To include other hardware configurations or mechanical structure, this is repeated no more.
The foregoing is merely the preferred embodiments of the application, not limiting the application, all essences in the application
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of the application protection god.
Claims (13)
1. a kind of analog video camera, which is characterized in that including：
Fuselage, fuselage is enclosed by main case, upper cover, lower cover and rear cover to be set, and forms the cavity with certain volume；
Main support is set in the cavity of the fuselage；
Mainboard is fixedly connected on the main support；Protecgulum is fixedly connected with front end-plate in the protecgulum；
Imaging sensor, intelligent chip, image signal processing chip, microprocessor and Video Quality Metric chip, described image sensing
Device is charge coupling device or complementary metal oxide conductor device；
The intelligent chip, described image signal processing chip, the microprocessor and Video Quality Metric chip are respectively arranged at institute
It states on mainboard；Described image sensor is set on the front end-plate；The intelligent chip, respectively with described image sensor,
Described image signal processing chip is connected with the microprocessor, the bayer images for receiving described image sensor output
The bayer picture signals are simultaneously sent to described image signal processing chip by signal；
The intelligent chip is additionally operable to output digital intelligent signal and by the digital intelligent signal transmission to the microprocessor
Device；
The microprocessor, the digital intelligent signal for receiving the intelligent chip transmission；
Described image signal processing chip is connected with the Video Quality Metric chip, the institute for receiving the intelligent chip transmission
Bayer picture signals are stated, the Bayer picture signals are converted into data image signal, and the data image signal is passed
It is defeated by Video Quality Metric chip；
The Video Quality Metric chip has coaxial cable interface.
2. analog video camera according to claim 1, which is characterized in that
The Video Quality Metric chip, also connect with the microprocessor, the digital intelligent for receiving the microprocessor transmission
Signal；
The Video Quality Metric chip is additionally operable to that the digital intelligent signal will be received and the data image signal is done at superposition
It is exported after reason.
3. analog video camera according to claim 2, which is characterized in that the Video Quality Metric chip is additionally operable to receive
To the data image signal carry out digital-to-analogue conversion and generating analog picture signal；
The Video Quality Metric chip is additionally operable to the digital intelligent signal being inserted into the blank lines of the analog picture signal
Or the digital intelligent signal is inserted into specified effective data line in the analog picture signal.
4. analog video camera according to claim 1, which is characterized in that described image signal processing chip also with it is described micro-
Processor connects, the digital intelligent signal for receiving the microprocessor output；
Described image signal processing chip is additionally operable to do the digital intelligent signal received and the data image signal
Overlap-add procedure generates a digital signal and by the digital data transmission to the Video Quality Metric chip；
The digital signal that the Video Quality Metric chip is additionally operable to receive does digital-to-analogue conversion, generates an analog signal.
5. analog video camera according to claim 4, which is characterized in that described image signal processing chip is additionally operable to connect
The digital intelligent signal received and the data image signal do overlap-add procedure, including：
Described image signal processing chip is additionally operable to digital picture described in the digital intelligent signal covering part that will be received
Signal.
6. analog video camera according to claim 1, which is characterized in that
The Video Quality Metric chip includes：
First digital analog converter is connected with the microprocessor, the digital intelligent signal for receiving the microprocessor transmission,
The digital intelligent signal is converted to the first analog signal of first frequency, and by first analog signal transmission to rear end
Equipment；
Second digital analog converter is connected with described image signal processing chip, is passed for receiving described image signal processing chip
The data image signal is converted to the second analog signal of second frequency, and second mould by defeated data image signal
Quasi- signal transmission is to rear end equipment.
7. analog video camera according to claim 1, which is characterized in that further include alarm controller and alarm；
The microprocessor is also connect with the alarm controller；
The alarm controller is connected with the alarm, controls signal for generating digital alarm, and by the datagram
Alert control signal transmission gives the alarm；
The alarm, the digital alarm control signal for receiving the alarm controller transmission carry out abnormal alarm.
8. analog video camera according to claim 7, which is characterized in that the alarm is loud speaker or alarm lamp.
9. according to claim 1-8 any one of them analog video cameras, which is characterized in that offer camera lens on the main case
Hole；
Loophole is offered on the protecgulum, the protecgulum is connect with the main case, and the central axis of the loophole with
The central axis of the camera aperture overlaps；
Further include：
Power panel is fixedly connected on the main support；
Camera lens, the camera lens are removably attachable at the loophole of the protecgulum and are rotatably connected with the camera aperture.
10. analog video camera according to claim 9, which is characterized in that further include：
Front end printed circuit metal plate, is set in the protecgulum, and the front end-plate is fixedly connected on the front end printed circuit metal plate
Jin Shang；
Double optical-filter switchers are set in the protecgulum, be located at described image sensor in front of, and be fixedly connected on it is described before
It holds on printed circuit metal plate.
11. analog video camera according to claim 9, which is characterized in that further include：
Barn door is set in the protecgulum, the position between the front end-plate and the main case, and the barn door
On offer mounting hole.
12. analog video camera according to claim 9, which is characterized in that be provided with auto iris on the main support and connect
Mouthful, the auto iris interface is fixedly connected in aperture interface cradle.
13. according to claim 1-8 any one of them analog video cameras, which is characterized in that the Video Quality Metric chip passes through
Coaxial cable interface receives the digital alarm signal of external equipment input；
The analog video camera further includes a memory；
The memory, for storing the digital alarm signal and the digital intelligent signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721364018.5U CN207820033U (en) | 2017-10-20 | 2017-10-20 | A kind of analog video camera |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721364018.5U CN207820033U (en) | 2017-10-20 | 2017-10-20 | A kind of analog video camera |
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| CN207820033U true CN207820033U (en) | 2018-09-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189354A (en) * | 2019-04-18 | 2019-08-30 | 北京迈格威科技有限公司 | Image processing method and image processor, image processing equipment and medium |
| CN111355936A (en) * | 2018-12-20 | 2020-06-30 | 杭州凝眸智能科技有限公司 | Method and system for acquiring and processing image data for artificial intelligence |
-
2017
- 2017-10-20 CN CN201721364018.5U patent/CN207820033U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111355936A (en) * | 2018-12-20 | 2020-06-30 | 杭州凝眸智能科技有限公司 | Method and system for acquiring and processing image data for artificial intelligence |
| CN111355936B (en) * | 2018-12-20 | 2022-03-29 | 淄博凝眸智能科技有限公司 | Method and system for acquiring and processing image data for artificial intelligence |
| CN110189354A (en) * | 2019-04-18 | 2019-08-30 | 北京迈格威科技有限公司 | Image processing method and image processor, image processing equipment and medium |
| CN110189354B (en) * | 2019-04-18 | 2021-12-28 | 北京迈格威科技有限公司 | Image processing method, image processor, image processing apparatus, and medium |
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