CN109489635A - Detection system based on computer control - Google Patents
Detection system based on computer control Download PDFInfo
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- CN109489635A CN109489635A CN201810227706.XA CN201810227706A CN109489635A CN 109489635 A CN109489635 A CN 109489635A CN 201810227706 A CN201810227706 A CN 201810227706A CN 109489635 A CN109489635 A CN 109489635A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
- G01C11/02—Picture taking arrangements specially adapted for photogrammetry or photographic surveying, e.g. controlling overlapping of pictures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
- G01C11/04—Interpretation of pictures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20024—Filtering details
- G06T2207/20032—Median filtering
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Abstract
The present invention relates to a kind of climbing rope detection systems based on computer control, comprising: automatic shooting equipment is arranged on unmanned plane, for carrying out the acquisition of high-altitude image data according to prefixed time interval, to obtain and export high-altitude acquisition image；Bright-dark degree's measuring device obtains the A channel value, L channel value and channel B value of each pixel for receiving high-altitude acquisition image from high-altitude acquisition image；Wherein, bright-dark degree's measuring device is also used to the output high brightness control signal of the pixel value based on each pixel or low-light level control signal.By means of the invention it is possible to which the state based on the climbing rope recognized determines the direction of advance of climber.
Description
Technical field
The present invention relates to computer field more particularly to a kind of detection systems based on computer control.
Background technique
Computer (computer) is commonly called as computer, is a kind of modern electronic computer device for supercomputing, Ke Yijin
Line number value calculates, and can carry out logic calculation, also has the function of store-memory.It is that can be run according to program, automatic, high speed
Handle the modernization intelligent electronic device of mass data.
Computer is made of hardware system and software systems, and the computer for being fitted without any software is known as bare machine.It can
It is divided into supercomputer, industrial control computer, network computer, personal computer, five class of embedded computer, it is more advanced
Computer has biocomputer, photonic computer, quantum computer etc..
Invention on computer person's John's von Neumann.Computer is one of the most advanced inventions of science and technology in the 20th century,
It has an extremely important influence on human production activities and social activities, and develops rapidly with strong vitality.It
Application field, to the every field of society, has formd huge computer and has produced from initial military research application extension
Industry, has driven the technological progress of global range, has thus caused deep social change, and computer has spread general school, enterprise
Public institution becomes essential tool in information-intensive society into common people family.
Summary of the invention
The present invention provides a kind of detection systems based on computer control, can use high precision image acquisition process mould
Formula accurately identifies each node target being arranged on climbing rope, and climber disappearing with physical strength is creatively utilized
Consumption, the more and more intensive feature of the node being arranged on climbing rope, the density occurred based on node image block determine climber's
Direction of advance, so that the judgement for the direction of advance of climber provides solution.
Specifically, the present invention at least has inventive point important at following two:
(1) using climber with the consumption of physical strength, the more and more intensive feature of the node being arranged on climbing rope is being stepped on
In the rope image of mountain, the density occurred based on node image block determines the direction of advance of climber, to be the tracking of unmanned plane
Valuable reference data is provided；
(2) situation of change and brightness of image of the channel L relative to other channels in each channel value of image slices vegetarian refreshments LAB are utilized
There are the features of internal relations, have built targeted image bright-dark degree detection platform, and establish and be based on having captured figure
As the adaptive median filter mechanism of content analysis result, the effect of image median filter is improved.
According to an aspect of the present invention, a kind of climbing rope detection system based on computer control, the system are provided
Include:
Automatic shooting equipment is arranged on unmanned plane, for carrying out the acquisition of high-altitude image data according to prefixed time interval,
To obtain and export high-altitude acquisition image；
Bright-dark degree's measuring device obtains each picture from high-altitude acquisition image for receiving high-altitude acquisition image
A channel value, L channel value and the channel B value of vegetarian refreshments；Wherein, bright-dark degree's measuring device is realized by computer control.
Wherein, bright-dark degree's measuring device is also used to calculate the calculation of the A channel value and channel B value of each pixel
Art average value obtains the square number of the arithmetic mean of instantaneous value, calculates the square value of the L channel value of each pixel, will be each
The square value of the L channel value of pixel is added to obtain L channel reference value, and the square number of each pixel is added to obtain it
His channel reference value, and the L channel reference value is subtracted into other described channel reference values and compares difference to obtain data；And
Bright-dark degree's measuring device be also used to the data compare difference absolute value be more than or equal to pre-determined absolute threshold value and
When the data compare difference and are positive several, output high brightness controls signal, and otherwise, output low-light level controls signal；
Wherein, the pre-determined absolute threshold value is to be analyzed the image with benchmark image brightness and obtained in advance
Threshold value；
Wherein, compare based on the data and select in the corresponding median filtering mode of reduction median filtering amplitude of difference
Median filtering pixel window, less than the corresponding median filtering mode of reinforcing median filtering amplitude for comparing difference based on the data
The median filtering pixel window of middle selection；
Wherein, the data compare that difference is bigger, and the reduction median filtering amplitude for comparing difference based on the data is corresponding
Median filtering mode in the median filtering pixel window that selects it is smaller, compare the reduction median filtering of difference based on the data
The median filtering pixel window selected in the corresponding median filtering mode of amplitude is smaller.
Detailed description of the invention
Embodiment of the present invention is described below with reference to attached drawing, in which:
Fig. 1 is the structure box according to the climbing rope detection system based on computer control shown in embodiment of the present invention
Figure.
Fig. 2 is the nothing according to used in the climbing rope detection system controlled based on computer shown in embodiment of the present invention
Man-machine schematic diagram.
Fig. 3 is the step process according to the climbing rope detection method based on computer control shown in embodiment of the present invention
Figure.
Specific embodiment
The embodiment of the climbing rope detection system of the invention based on computer control is carried out below with reference to accompanying drawings
It is described in detail.
The main reason for mountain climbing expedition mountain is difficult is sliding pendant, snowslide and mountain sickness.
In mountain-rescue, the direction of advance of climber is most important, he determines direction and the validity of rescue, for
For the mountain-rescue competed with time and weather, the direction of advance of climber is directly related to the probability of success of rescue.However,
Lack the technical solution that accurate judgement is carried out to the direction of advance of climber in the prior art.
In order to overcome above-mentioned deficiency, the present invention has built a kind of climbing rope detection system based on computer control, effectively
Solves above-mentioned technical problem.
Fig. 1 is the structure box according to the climbing rope detection system based on computer control shown in embodiment of the present invention
Figure, the system comprises:
Automatic shooting equipment is arranged on unmanned plane, for carrying out the acquisition of high-altitude image data according to prefixed time interval,
To obtain and export high-altitude acquisition image；
Wherein, as shown in Fig. 2, the unmanned plane includes drive control box 1, flying wing 2, lower bracket 3 and fast pulley 4；
Bright-dark degree's measuring device obtains each picture from high-altitude acquisition image for receiving high-altitude acquisition image
A channel value, L channel value and the channel B value of vegetarian refreshments.Wherein, bright-dark degree's measuring device is realized by computer control.
Then, continue to carry out the specific structure of the climbing rope detection system of the invention based on computer control further
Explanation.
In the climbing rope detection system based on computer control:
The arithmetic of A channel value and channel B value that bright-dark degree's measuring device is also used to calculate each pixel is put down
Mean value obtains the square number of the arithmetic mean of instantaneous value, calculates the square value of the L channel value of each pixel, by each pixel
The square value of the L channel value of point is added to obtain L channel reference value, and the square number of each pixel is added and is led to obtaining other
Road reference value, and the L channel reference value is subtracted into other described channel reference values and compares difference to obtain data；
And bright-dark degree's measuring device is also used to be more than or equal in the absolute value that the data compare difference and preset
When absolute value threshold value and the data compare difference and are positive several, output high brightness controls signal, otherwise, output low-light level control letter
Number.
In the climbing rope detection system based on computer control:
The pre-determined absolute threshold value is the threshold value analyzed the image with benchmark image brightness and obtained in advance；
Wherein, compare based on the data and select in the corresponding median filtering mode of reduction median filtering amplitude of difference
Median filtering pixel window, less than the corresponding median filtering mode of reinforcing median filtering amplitude for comparing difference based on the data
The median filtering pixel window of middle selection；
Wherein, the data compare that difference is bigger, and the reduction median filtering amplitude for comparing difference based on the data is corresponding
Median filtering mode in the median filtering pixel window that selects it is smaller, compare the reduction median filtering of difference based on the data
The median filtering pixel window selected in the corresponding median filtering mode of amplitude is smaller.
Can also include: in the climbing rope detection system based on computer control
Adjustment type median filtering equipment is connect with the automatic shooting equipment and bright-dark degree's measuring device respectively,
Compare difference and high-altitude acquisition image for receiving the data, is also used to receiving the high brightness control signal
When, high-altitude acquisition image is compared to the image median filter of the reduction median filtering amplitude of difference based on the data
Processing to obtain simultaneously output adjustment filtering image, and when receiving the low-light level control signal, the high-altitude is acquired
Image is compared the image median filter processing of the reinforcing median filtering amplitude of difference based on the data, to obtain and export
Adjust filtering image；
Climbing rope extract equipment is connect with the adjustment type median filtering equipment, for from the adjustment filtering image
Extract climbing rope subgraph；
Climbing rope detection device is arranged on unmanned plane, extracts respectively with the automatic shooting equipment and the climbing rope
Equipment connection executes node identification for receiving climbing rope subgraph and high-altitude acquisition image, and to the climbing rope subgraph,
To obtain the region where the difference of multiple nodes on the corresponding climbing rope of the climbing rope subgraph, as multiple node images
Block output；
Climbing rope analytical equipment is connect with the climbing rope detection device, for receiving the climbing rope subgraph, described
High-altitude acquires image and the multiple node image block, and true based on the climbing rope subgraph and the multiple node image block
Determine the direction of advance of climber；
Frequency duplex communications interface is connect with the climbing rope analytical equipment, for receive high-altitude acquisition image and
The direction of advance of the climber, and the direction of advance that the high-altitude acquires image and the climber is packaged into IP together
Packet, and the IP packet after encapsulation is sent by two-way frequency duplex communications link；
Flight control unit is connect with the climbing rope analytical equipment, for receiving the direction of advance of the climber, and
Direction of advance control unmanned plane based on the climber follows the direction of advance of the climber to fly；
Wherein, the direction of advance packet of climber is determined based on the climbing rope subgraph and the multiple node image block
It includes: in the climbing rope subgraph, the direction of advance of climber is determined based on the density of node image block appearance, before determining
It is to be directed toward node image block the maximum region of density occur into direction.
Fig. 3 is the step process according to the climbing rope detection method based on computer control shown in embodiment of the present invention
Figure, which comprises
S101: using automatic shooting equipment, is arranged on unmanned plane, for carrying out high-altitude image according to prefixed time interval
Data acquisition, to obtain and export high-altitude acquisition image；
S102: using bright-dark degree's measuring device, for receiving high-altitude acquisition image, obtains from high-altitude acquisition image
Take the A channel value, L channel value and channel B value of each pixel.
Then, continue to carry out the specific steps of the climbing rope detection method of the invention based on computer control further
Explanation.
In the climbing rope detection method based on computer control:
The arithmetic of A channel value and channel B value that bright-dark degree's measuring device is also used to calculate each pixel is put down
Mean value obtains the square number of the arithmetic mean of instantaneous value, calculates the square value of the L channel value of each pixel, by each pixel
The square value of the L channel value of point is added to obtain L channel reference value, and the square number of each pixel is added and is led to obtaining other
Road reference value, and the L channel reference value is subtracted into other described channel reference values and compares difference to obtain data；
And bright-dark degree's measuring device is also used to be more than or equal in the absolute value that the data compare difference and preset
When absolute value threshold value and the data compare difference and are positive several, output high brightness controls signal, otherwise, output low-light level control letter
Number.
In the climbing rope detection method based on computer control:
The pre-determined absolute threshold value is the threshold value analyzed the image with benchmark image brightness and obtained in advance；
Wherein, compare based on the data and select in the corresponding median filtering mode of reduction median filtering amplitude of difference
Median filtering pixel window, less than the corresponding median filtering mode of reinforcing median filtering amplitude for comparing difference based on the data
The median filtering pixel window of middle selection；
Wherein, the data compare that difference is bigger, and the reduction median filtering amplitude for comparing difference based on the data is corresponding
Median filtering mode in the median filtering pixel window that selects it is smaller, compare the reduction median filtering of difference based on the data
The median filtering pixel window selected in the corresponding median filtering mode of amplitude is smaller.
It is described based on computer control climbing rope detection method can also include:
S103: using adjustment type median filtering equipment, measures respectively with the automatic shooting equipment and the bright-dark degree
Equipment connection compares difference and high-altitude acquisition image for receiving the data, is also used to receiving described highlight
When degree control signal, high-altitude acquisition image is compared to the figure of the reduction median filtering amplitude of difference based on the data
As median filter process, to obtain simultaneously output adjustment filtering image, and when receiving the low-light level control signal, by institute
The image median filter processing that high-altitude acquisition image is compared the reinforcing median filtering amplitude of difference based on the data is stated, with
Obtain simultaneously output adjustment filtering image；
S104: using climbing rope extract equipment, connect with the adjustment type median filtering equipment, for filtering from the adjustment
Climbing rope subgraph is extracted at wave image；
S105: using climbing rope detection device, is arranged on unmanned plane, respectively with the automatic shooting equipment and described step on
Mountain rope extract equipment connection, for receiving climbing rope subgraph and high-altitude acquisition image, and executes the climbing rope subgraph
Node identification, to obtain the region where the difference of multiple nodes on the corresponding climbing rope of the climbing rope subgraph, as more
A node image block output；
Using climbing rope analytical equipment, connect with the climbing rope detection device, for receive the climbing rope subgraph,
The high-altitude acquisition image and the multiple node image block, and it is based on the climbing rope subgraph and the multiple node image
Block determines the direction of advance of climber；
It using frequency duplex communications interface, is connect with the climbing rope analytical equipment, for receiving the high-altitude acquisition figure
The direction of advance of picture and the climber, and the direction of advance that the high-altitude acquires image and the climber is packaged into together
IP packet, and the IP packet after encapsulation is sent by two-way frequency duplex communications link；
Using flight control unit, it is connect with the climbing rope analytical equipment, for receiving the advance side of the climber
To, and follow the direction of advance of the climber to fly based on the direction of advance of climber control unmanned plane；
Wherein, the direction of advance packet of climber is determined based on the climbing rope subgraph and the multiple node image block
It includes: in the climbing rope subgraph, the direction of advance of climber is determined based on the density of node image block appearance, before determining
It is to be directed toward node image block the maximum region of density occur into direction.
In addition, frequency division duplex refers to that the transmission of uplink and downlink carries out over different frequencies respectively.In frequency
Divide in dual-mode, the transmission of uplink and downlink carries out over different frequencies respectively.
In the first and second generation cellular system, it is substantially using FDD technology and realizes duplex transmission.Especially
In generation cellular system, what it is due to transmission is continuous baseband signal, it is necessary to the uplink and downlink of duplex is provided with different frequencies
Link channel.When transmitting continuous information using FDD technology in first generation cellular system, transmitting-receiving both ends must all have generation different
The frequency synthesizer of carrier frequency must also have one to prevent transmitting signals leakiness to the duplex filtering of receiver in receiving end
Device.In addition, certain frequency interval will be had by receiving and dispatching between carrier frequency for the ease of the production of duplexer.In the second generation
In the systems such as GSM, IS-136 and IS-95, FDD technology is also used.In such systems, due to information be with slotted mode into
Row transmission, transmitting-receiving can carry out in different time slots, and the transmitting signal of mobile station or base station will not generate this receiver
Interference.So although with FDD technology, do not need expensive duplexer filter yet.
The characteristics of fdd mode is the system on two symmetrical frequency channels of separation (uplink and downlink frequency interval 190MHz)
It is received and is transmitted, reception and transmission channel are separated with protection frequency range.
Using technologies such as packet switch, the bottleneck of two generations development can be broken through, realizes high-speed data service, and frequency spectrum benefit can be improved
With rate, increase power system capacity.But FDD must use pairs of frequency, i.e., third generation business is provided in the bandwidth of every 2x5MHz.
Which can make full use of the frequency spectrum of uplink and downlink when supporting symmetrical service, but in asymmetrical packet switch (internet) work
When making, the availability of frequency spectrum then substantially reduce (due to low ascending load, the availability of frequency spectrum is caused to reduce about 40%), in this regard,
The advantage that tdd mode has FDD incomparable.
Using the climbing rope detection system of the invention based on computer control, for the hardly possible of climber direction in the prior art
The technical issues of to judge, on the one hand, by the channel L in utilization each channel value of image slices vegetarian refreshments LAB relative to other channels
There are the features of internal relations with brightness of image for situation of change, have built targeted image bright-dark degree detection platform, separately
On the one hand, by the consumption using climber with physical strength, the more and more intensive feature of the node being arranged on climbing rope is built
The density occurred based on node image block identifies the customization recognition mechanism of the direction of advance of climber.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, anything that does not depart from the technical scheme of the invention are right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (4)
1. a kind of climbing rope detection system based on computer control, which is characterized in that the system comprises:
Automatic shooting equipment is arranged on unmanned plane, for carrying out the acquisition of high-altitude image data according to prefixed time interval, to obtain
It obtains and exports high-altitude acquisition image；
Bright-dark degree's measuring device obtains each pixel from high-altitude acquisition image for receiving high-altitude acquisition image
A channel value, L channel value and channel B value；
Wherein, bright-dark degree's measuring device is realized by computer control.
2. the climbing rope detection system as described in claim 1 based on computer control, it is characterised in that:
Bright-dark degree's measuring device is also used to calculate the A channel value of each pixel and the arithmetic mean of instantaneous value of channel B value,
The square number for obtaining the arithmetic mean of instantaneous value calculates the square value of the L channel value of each pixel, by the L of each pixel
The square value of channel value is added to obtain L channel reference value, the square number of each pixel is added to obtain other channels ginseng
Value is examined, and the L channel reference value is subtracted into other described channel reference values and compares difference to obtain data；
And bright-dark degree's measuring device is also used to be more than or equal in the absolute value that the data compare difference and preset absolutely
When value threshold value and the data compare difference and are positive several, output high brightness controls signal, and otherwise, output low-light level controls signal.
3. the climbing rope detection system as claimed in claim 2 based on computer control, it is characterised in that:
The pre-determined absolute threshold value is the threshold value analyzed the image with benchmark image brightness and obtained in advance；
Wherein, compare the intermediate value selected in the corresponding median filtering mode of reduction median filtering amplitude of difference based on the data
Filtered pixel window, less than being selected in the corresponding median filtering mode of reinforcing median filtering amplitude for comparing difference based on the data
The median filtering pixel window selected；
Wherein, the data compare that difference is bigger, compare based on the data difference reduction median filtering amplitude it is corresponding in
The median filtering pixel window selected in value filtering mode is smaller, compares the reduction median filtering amplitude of difference based on the data
The median filtering pixel window selected in corresponding median filtering mode is smaller.
4. the climbing rope detection system as claimed in claim 3 based on computer control, which is characterized in that the system is also wrapped
It includes:
Adjustment type median filtering equipment connect with the automatic shooting equipment and bright-dark degree's measuring device respectively, is used for
It receives the data and compares difference and high-altitude acquisition image, be also used to when receiving the high brightness control signal,
High-altitude acquisition image is compared based on the data at the image median filter of reduction median filtering amplitude of difference
Reason to obtain simultaneously output adjustment filtering image, and when receiving the low-light level control signal, the high-altitude is acquired and is schemed
Image median filter processing as being compared the reinforcing median filtering amplitude of difference based on the data, to obtain and export tune
Whole filtering image；
Climbing rope extract equipment is connect with the adjustment type median filtering equipment, for extracting from the adjustment filtering image
Climbing rope subgraph out；
Climbing rope detection device, be arranged on unmanned plane, respectively with the automatic shooting equipment and the climbing rope extract equipment
Connection executes node identification for receiving climbing rope subgraph and high-altitude acquisition image, and to the climbing rope subgraph, to obtain
The region where multiple nodes difference on the corresponding climbing rope of the climbing rope subgraph is obtained, it is defeated as multiple node image blocks
Out；
Climbing rope analytical equipment is connect with the climbing rope detection device, for receiving the climbing rope subgraph, the high-altitude
Image and the multiple node image block are acquired, and is stepped on based on the climbing rope subgraph and the determination of the multiple node image block
The direction of advance of mountain person；
Frequency duplex communications interface is connect with the climbing rope analytical equipment, for receiving high-altitude acquisition image and described
The direction of advance of climber, and the direction of advance that the high-altitude acquires image and the climber is packaged into IP packet together, with
And the IP packet after encapsulation is sent by two-way frequency duplex communications link；
Flight control unit connect with the climbing rope analytical equipment, for receiving the direction of advance of the climber, and is based on
The direction of advance control unmanned plane of the climber follows the direction of advance of the climber to fly；
Wherein, based on the climbing rope subgraph and the multiple node image block determine climber direction of advance include:
In the climbing rope subgraph, the direction of advance of climber, determining advance side are determined based on the density of node image block appearance
There is the maximum region of density to be directed toward node image block.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971330A (en) * | 2013-02-05 | 2014-08-06 | 腾讯科技（深圳）有限公司 | Image enhancing method and device |
| CN106292716A (en) * | 2016-08-09 | 2017-01-04 | 西安斯凯智能科技有限公司 | A kind of rock-climbing tracking system and tracking |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971330A (en) * | 2013-02-05 | 2014-08-06 | 腾讯科技（深圳）有限公司 | Image enhancing method and device |
| CN106292716A (en) * | 2016-08-09 | 2017-01-04 | 西安斯凯智能科技有限公司 | A kind of rock-climbing tracking system and tracking |
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Effective date of registration: 20190524 Address after: Room 506, Dongjiang Environmental Protection Building, No. 9 Longshan Road, Songpingshan Community, Xili Street, Nanshan District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Play Cafe Network Technology Co., Ltd. Address before: Room 101, Building No. 1, 563 Songtao Road, Zhangjiang High-tech Park, Pudong New Area, Shanghai, 201203 Applicant before: Chen Chao |
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Granted publication date: 20190705 Termination date: 20210320 |