CN107066690A - A kind of computer based image calculates drilling depth control system - Google Patents

A kind of computer based image calculates drilling depth control system Download PDF

Info

Publication number
CN107066690A
CN107066690A CN201710120623.6A CN201710120623A CN107066690A CN 107066690 A CN107066690 A CN 107066690A CN 201710120623 A CN201710120623 A CN 201710120623A CN 107066690 A CN107066690 A CN 107066690A
Authority
CN
China
Prior art keywords
image
input
output end
module
computer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710120623.6A
Other languages
Chinese (zh)
Inventor
张建国
吕有厂
王满
张茹
王英伟
王玉杰
高明忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan University
Pingdingshan Tianan Coal Mining Co Ltd
China Pingmei Shenma Energy and Chemical Group Co Ltd
Original Assignee
Sichuan University
Pingdingshan Tianan Coal Mining Co Ltd
China Pingmei Shenma Energy and Chemical Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan University, Pingdingshan Tianan Coal Mining Co Ltd, China Pingmei Shenma Energy and Chemical Group Co Ltd filed Critical Sichuan University
Priority to CN201710120623.6A priority Critical patent/CN107066690A/en
Publication of CN107066690A publication Critical patent/CN107066690A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/20Design optimisation, verification or simulation
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00Geometric image transformations in the plane of the image
    • G06T3/40Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4038Image mosaicing, e.g. composing plane images from plane sub-images
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/50Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/70Denoising; Smoothing
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/90Dynamic range modification of images or parts thereof
    • G06T5/92Dynamic range modification of images or parts thereof based on global image properties
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment
    • H04N5/262Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/265Mixing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/20Special algorithmic details
    • G06T2207/20212Image combination
    • G06T2207/20221Image fusion; Image merging

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Evolutionary Computation (AREA)
  • Geometry (AREA)
  • General Engineering & Computer Science (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Image Processing (AREA)

Abstract

Drilling depth control system is calculated the invention discloses a kind of computer based image, the input of acquisition terminal is electrically connected with the output end of the first power supply module and input module respectively;The input of image capture controller and the output end of ccd image sensor are electrically connected with;The input of ccd image sensor is electrically connected with the output end of the first CCD camera and the second CCD camera respectively;The input of computer is connected by the output end of LAN and acquisition terminal;The output end of computer is electrically connected with the input of external memory, image co-registration module, image conversion module and data processing module respectively;The output end of computer is electrically connected with by the input of IMAQ analysis module and image processing module;By generating ground model and well drilling rail model with constraints, measurement result depends on actual wellbore trace, and measurement result is more accurate.

Description

A kind of computer based image calculates drilling depth control system
Technical field
Drilling depth control is calculated the invention belongs to engineering Inspection Technique field, more particularly to a kind of computer based image System processed.
Background technology
Safety detection can be carried out to whole mine by borehole television imaging technique at present, but in detection process such as A certain place mine is gone wrong, it is impossible to know its depth in time, and inconvenience is brought to mine supervision, and this is due to drilling electricity Depending in imaging technique system to the detection of drilling into television image depth measurement, be generally connected using camera with main frame Wire eat dishes without rice or wine install counting wheel measurement camera depth;Or calculated by the scale on circular hollow metal tube The depth of camera, reaches the purpose of mark drilling depth, but when being due to angle of inclination and the unintelligible scale of metal tube, The depth of camera can be caused inaccurate.
The content of the invention
Drilling depth control system is calculated it is an object of the invention to provide a kind of computer based image, it is intended to solved Existing borehole imaging measures the problem of drilling depth is inaccurate.
The present invention is adopted the technical scheme that to solve technical problem present in known technology:
A kind of computer based image calculates drilling depth control system, and it is deep that the computer based image calculates drilling Drilling depth control is realized by the following method in degree control system:
Step 1: according to the analysis processing result of the geologic information of target reservoir, determining in target reservoir in net horizontal section The estimation range of ground cytoplasmic mutation, when the drilling bit in the net horizontal section reaches estimation range, according to acquisition with brill ground Matter data, determines the type of position and described ground cytoplasmic mutation of the described ground cytoplasmic mutation in the estimation range;
Step 2: ground model and well drilling rail model of the generation with constraints;
Step 3: the Coordinate Conversion set up between general target plane equation and target coordinate system and mouth coordinate system is closed System, with the target plane suitable for various well type;
Step 4: trajectory parameters and well section length based on the shaft bottom point, predict rarget direction and check whether meet Engine request, the rarget direction is included into target hole angle and azimuth;
Step 5: carrying out orbiting collision scanning, and obtain collision result;
Step 6: being drilled according to rarget direction and collision result, obtain drilling original image and original image adds Enter the degraded image after ambient light background color, obtain the colourity difference of the original image and degraded image and utilize the colourity Difference carries out chromatic compensation to be compensated rear image to the original image;
Step 7: being corrected acquisition correction data to view data after the compensation, correction data is carried out except processing of making an uproar Obtain except data of making an uproar, data rearrangement is obtained to entering rearrangement except data of making an uproar, carrying out convolution to data rearrangement obtains convolved data;
Step 8: the deviational survey data based on last two measuring point of drilling trajectory, calculate the track characteristic parameter that section is surveyed at end, it is described Deviational survey data are well depth, hole angle, azimuth, and the track characteristic parameter is used to characterize the last trajectory shape for surveying section;
Step 9: image after compensation is spliced with track characteristic parameter, for processing defined in multiple stitching images One group of image, at least one composition in this group of image is alignd, by being cut out, adjusting to one or more image Whole size converts a series of one or more images to produce process conversion in the image by alignment with rotation;
Step 10: using the wavelet threshold denoising function based on the corresponding multiple noise thresholds of multi-level Wavelet Transform coefficient, to institute State multi-level Wavelet Transform coefficient and carry out denoising, utilize the corresponding figure by conversion of multi-level Wavelet Transform coefficient reconstruct after denoising Picture;
Step 11: the image according to well drilling rail model and by conversion calculates real-time drilling orientation and depth.
Further, the step of determining every layer of wavelet coefficient corresponding noise threshold includes:
The corresponding noise threshold of every layer of wavelet coefficient is determined according to equation below:
Wherein, g is the sum of the wavelet coefficient of noisy image, and k is corresponding decomposition layer ordinal number, λkTo enter to noisy image The noise threshold of kth layer after g layers of wavelet decomposition of row;
δk=median (| (wpq)k|)/0.6745
(wpq)kRepresent the level of kth layer after wavelet decomposition, vertically, diagonally adjacent high frequency coefficient.
Another object of the present invention is to provide a kind of computer based image to calculate drilling depth control system, including Acquisition terminal, image capture controller and computer, the input of the acquisition terminal respectively with the first power supply module and input The output end of module is electrically connected with;The input of described image acquisition controller and the output end of ccd image sensor electrically connect Connect;The input of the ccd image sensor electrically connects with the output end of the first CCD camera and the second CCD camera respectively Connect;The input of the computer is connected by the output end of LAN and acquisition terminal;The input difference of the computer It is electrically connected with the output end of the second power supply module and operation module;The output end of the computer respectively with external memory, figure As the input of Fusion Module, image conversion module and data processing module is electrically connected with;The output end of the computer passes through The input of IMAQ analysis module and image processing module is electrically connected with;The computer respectively with RAM memory, MRAM Memory and database are electrically connected with.
Further, the output end of the acquisition terminal and the input of the first display module are electrically connected with.
Further, the output end of the computer and the input of the second display module are electrically connected with.
Further, the output end of the input of the input module and image capture controller is electrically connected with.Present invention tool Some advantages and good effect are:The computer based image calculates drilling depth control system, passes through the first CCD camera Bore inner situation is detected with the second CCD camera, it is ensured that detect the complete and clear of picture, acquisition terminal will be detected Picture is sent in computer by LAN, it is ensured that the safety of information is sent to, and computer utilizes image co-registration module, graphics As modular converter, IMAQ analysis module and image processing module are integrated, analyzed and processed to detection picture, recycling number Final calculating is carried out to the data of drilling according to processing module, the depth drilled in detection picture counted using computer Calculate, computational accuracy is high.By generating ground model and well drilling rail model with constraints, general target plane side is set up Coordinate transformation relation between journey and target coordinate system and mouth coordinate system, with the target plane suitable for various well type, according to Well drilling rail model and the image of process conversion calculate real-time drilling orientation and depth, and measurement result depends on actual drilling well Track, measurement result is more accurate.
Brief description of the drawings
Fig. 1 is that the computer based image that this hair embodiment is provided calculates drilling depth control system architecture schematic diagram.
In figure:1st, acquisition terminal;2nd, the first power supply module;3rd, input module;4th, image capture controller;5th, ccd image Sensor;6th, the first CCD camera;7th, the second CCD camera;8th, computer;9th, LAN;10th, the second power supply module;11、 Operation module;12nd, external memory;13rd, image co-registration module;14th, 3-D view modular converter;15th, data processing module;16、 IMAQ analysis module;17th, image processing module;18th, RAM memory;19th, mram memory;20th, database;21st, first Display module;22nd, the second display module.
Embodiment
In order to further understand the content, features and effects of the present invention, hereby enumerating following examples, and coordinate accompanying drawing Describe in detail as follows.
The structure to the present invention is explained in detail below in conjunction with the accompanying drawings.
Refer to Fig. 1:
Computer based image provided in an embodiment of the present invention calculates drilling depth control system, the computer based Image calculates drilling depth control system and drilling depth control is realized by the following method:
Step 1: according to the analysis processing result of the geologic information of target reservoir, determining in target reservoir in net horizontal section The estimation range of ground cytoplasmic mutation, when the drilling bit in the net horizontal section reaches estimation range, according to acquisition with brill ground Matter data, determines the type of position and described ground cytoplasmic mutation of the described ground cytoplasmic mutation in the estimation range;
Step 2: ground model and well drilling rail model of the generation with constraints;
Step 3: the Coordinate Conversion set up between general target plane equation and target coordinate system and mouth coordinate system is closed System, with the target plane suitable for various well type;
Step 4: trajectory parameters and well section length based on the shaft bottom point, predict rarget direction and check whether meet Engine request, the rarget direction is included into target hole angle and azimuth;
Step 5: carrying out orbiting collision scanning, and obtain collision result;
Step 6: being drilled according to rarget direction and collision result, obtain drilling original image and original image adds Enter the degraded image after ambient light background color, obtain the colourity difference of the original image and degraded image and utilize the colourity Difference carries out chromatic compensation to be compensated rear image to the original image;
Step 7: being corrected acquisition correction data to view data after the compensation, correction data is carried out except processing of making an uproar Obtain except data of making an uproar, data rearrangement is obtained to entering rearrangement except data of making an uproar, carrying out convolution to data rearrangement obtains convolved data;
Step 8: the deviational survey data based on last two measuring point of drilling trajectory, calculate the track characteristic parameter that section is surveyed at end, it is described Deviational survey data are well depth, hole angle, azimuth, and the track characteristic parameter is used to characterize the last trajectory shape for surveying section;
Step 9: image after compensation is spliced with track characteristic parameter, for processing defined in multiple stitching images One group of image, at least one composition in this group of image is alignd, by being cut out, adjusting to one or more image Whole size converts a series of one or more images to produce process conversion in the image by alignment with rotation;
Step 10: using the wavelet threshold denoising function based on the corresponding multiple noise thresholds of multi-level Wavelet Transform coefficient, to institute State multi-level Wavelet Transform coefficient and carry out denoising, utilize the corresponding figure by conversion of multi-level Wavelet Transform coefficient reconstruct after denoising Picture;
Step 11: the image according to well drilling rail model and by conversion calculates real-time drilling orientation and depth.
Further, the step of determining every layer of wavelet coefficient corresponding noise threshold includes:
The corresponding noise threshold of every layer of wavelet coefficient is determined according to equation below:
Wherein, g is the sum of the wavelet coefficient of noisy image, and k is corresponding decomposition layer ordinal number, λkTo enter to noisy image The noise threshold of kth layer after g layers of wavelet decomposition of row;
δk=median (| (Wpq)k|)/0.6745
(Wpq)kRepresent the level of kth layer after wavelet decomposition, vertically, diagonally adjacent high frequency coefficient.
Computer based image provided in an embodiment of the present invention calculate drilling depth control system include acquisition terminal 1, Image capture controller 4 and computer 8, the input of the acquisition terminal 1 respectively with the first power supply module 2 and input module 3 Output end be electrically connected with;The input of described image acquisition controller 4 is electrically connected with the output end of ccd image sensor 5; Output end of the input of the ccd image sensor 5 respectively with the first CCD camera 6 and the second CCD camera 7 electrically connects Connect;The input of the computer 8 is connected by LAN 9 with the output end of acquisition terminal 1;The input of the computer 8 The output end with the second power supply module 10 and operation module 11 is electrically connected with respectively;The output end of the computer 8 respectively with outside Memory 12, image co-registration module 13, the input of image conversion module 14 and data processing module 15 are electrically connected with;The meter The output end of calculation machine 8 is electrically connected with by the input of IMAQ analysis module 16 and image processing module 17;It is described to calculate Machine 8 is electrically connected with RAM memory 18, mram memory 19 and database 20 respectively.
Further, the output end of the acquisition terminal 1 and the input of the first display module 21 are electrically connected with.
Further, the output end of the computer 8 and the input of the second display module 22 are electrically connected with.
Further, the output end of the input of the input module 3 and image capture controller 4 is electrically connected with.
Operation principle:The computer based image calculates drilling depth control system, passes through the He of the first CCD camera 6 The inner case of second 7 pairs of CCD camera drilling carries out detection shooting, and shooting picture is sent to by ccd image sensor 5 Image is sent in acquisition terminal 1 by image capture controller 4, image capture controller 4 by input module 3, the first display Module 21 shows shooting picture in real time, and the first power supply module 2 is that acquisition terminal 1 provides power supply, and acquisition terminal 1 passes through LAN 9 Send images in computer 8, the second power supply module 10 is that computer 8 provides power supply, and computer 8 utilizes image co-registration module 13 pictures for shooting the first CCD camera 6 and the second CCD camera 7 respectively are merged, and merge out the drilling of complete display Intra pictures, are converted into 3D pictures, staff is by operating mould by 3-D view modular converter 14 by the picture after integration Block 11 can be operated to 3D pictures, and 3D pictures are analyzed using IMAQ analysis module 16 and image processing module 17 Processing, recycles the final depth for drawing drilling of data processing module 15, and the second display module 22 shows workflow, profit in real time With RAM memory 18, mram memory 19 and database 20, the data of drilling can be compared, sampled, stored and be inquired about, So that the later stage uses;
By generating ground model and well drilling rail model with constraints, set up general target plane equation and Coordinate transformation relation between target coordinate system and mouth coordinate system, with the target plane suitable for various well type, according to drilling well rail Road model and the image of process conversion calculate real-time drilling orientation and depth, and measurement result depends on actual wellbore trace, Measurement result is more accurate.
It is described above to be only the preferred embodiments of the present invention, any formal limitation not is made to the present invention, Every technical spirit according to the present invention is belonged to any simple modification made for any of the above embodiments, equivalent variations and modification In the range of technical solution of the present invention.

Claims (5)

1. a kind of computer based image calculates drilling depth control system, it is characterised in that the computer based image Calculate drilling depth control system and drilling depth control is realized by the following method:
Step 1: according to the analysis processing result of the geologic information of target reservoir, geology in net horizontal section is determined in target reservoir The estimation range of mutation, when the drilling bit in the net horizontal section reaches estimation range, is provided according to acquisition with geology is bored Material, determines the type of position and described ground cytoplasmic mutation of the described ground cytoplasmic mutation in the estimation range;
Step 2: ground model and well drilling rail model of the generation with constraints;
Step 3: the coordinate transformation relation between general target plane equation and target coordinate system and mouth coordinate system is set up, With the target plane suitable for various well type;
Step 4: trajectory parameters and well section length based on the shaft bottom point, predict rarget direction and check whether meet engineering It is required that, the rarget direction is included into target hole angle and azimuth;
Step 5: carrying out orbiting collision scanning, and obtain collision result;
Step 6: being drilled according to rarget direction and collision result, obtain drilling original image and original image adds ring Degraded image after the light background color of border, obtains the colourity difference of the original image and degraded image and utilizes the colourity difference The original image is carried out chromatic compensation to be compensated rear image;
Step 7: being corrected acquisition correction data to view data after the compensation, correction data is carried out except processing of making an uproar is obtained Except data of making an uproar, data rearrangement is obtained to entering rearrangement except data of making an uproar, carrying out convolution to data rearrangement obtains convolved data;
Step 8: the deviational survey data based on last two measuring point of drilling trajectory, calculate the track characteristic parameter that section is surveyed at end, the deviational survey Data are well depth, hole angle, azimuth, and the track characteristic parameter is used to characterize the last trajectory shape for surveying section;
Step 9: image after compensation is spliced with track characteristic parameter, for the one of processing defined in multiple stitching images Group image, makes at least one composition in this group of image align, big by being cut out, adjusting to one or more image It is small and rotation come convert in the image by alignment it is one or more with produce it is a series of by conversion images;
Step 10: using the wavelet threshold denoising function based on the corresponding multiple noise thresholds of multi-level Wavelet Transform coefficient, to described many Layer wavelet coefficient carries out denoising, utilizes the corresponding image by conversion of multi-level Wavelet Transform coefficient reconstruct after denoising;
Step 11: the image according to well drilling rail model and by conversion calculates real-time drilling orientation and depth.
2. computer based image as claimed in claim 1 calculates drilling depth control system, it is characterised in that determine every layer The step of wavelet coefficient corresponding noise threshold, includes:
The corresponding noise threshold of every layer of wavelet coefficient is determined according to equation below:
<mrow> <msub> <mi>&amp;lambda;</mi> <mi>k</mi> </msub> <mo>=</mo> <msub> <mi>&amp;delta;</mi> <mi>k</mi> </msub> <msqrt> <mrow> <mn>2</mn> <mi>l</mi> <mi>n</mi> <mrow> <mo>(</mo> <mi>g</mi> <mo>)</mo> </mrow> </mrow> </msqrt> <mo>/</mo> <mrow> <mo>(</mo> <mi>k</mi> <mo>+</mo> <mn>2</mn> <mo>)</mo> </mrow> </mrow>
Wherein, g is the sum of the wavelet coefficient of noisy image, and k is corresponding decomposition layer ordinal number, λkTo carry out g layers to noisy image The noise threshold of kth layer after wavelet decomposition;
δk=median (| (wpq)k|)/0.6745
(wpq)kRepresent the level of kth layer after wavelet decomposition, vertically, diagonally adjacent high frequency coefficient.
3. a kind of computer based image calculates drilling depth control system, including acquisition terminal, image capture controller and Computer, it is characterised in that the output end electricity of the input of the acquisition terminal respectively with the first power supply module and input module Property connection;
The input of described image acquisition controller and the output end of ccd image sensor are electrically connected with;The ccd image sensing The input of device is electrically connected with the output end of the first CCD camera and the second CCD camera respectively;
The input of the computer is connected by the output end of LAN and acquisition terminal;
The input of the computer is electrically connected with the output end of the second power supply module and operation module respectively;
The output end of the computer respectively with external memory, image co-registration module, image conversion module and data processing module Input be electrically connected with;
The output end of the computer is electrically connected with by the input of IMAQ analysis module and image processing module;
The computer is electrically connected with RAM memory, mram memory and database respectively.
4. computer based image as claimed in claim 3 calculates drilling depth control system, it is characterised in that described to adopt Collect the output end of terminal to be electrically connected with the input of the first display module, the output end of the computer and the second display module Input be electrically connected with.
5. computer based image as claimed in claim 3 calculates drilling depth control system, it is characterised in that described defeated The output end of the input and image capture controller that enter module is electrically connected with.
CN201710120623.6A 2017-03-02 2017-03-02 A kind of computer based image calculates drilling depth control system Pending CN107066690A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710120623.6A CN107066690A (en) 2017-03-02 2017-03-02 A kind of computer based image calculates drilling depth control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710120623.6A CN107066690A (en) 2017-03-02 2017-03-02 A kind of computer based image calculates drilling depth control system

Publications (1)

Publication Number Publication Date
CN107066690A true CN107066690A (en) 2017-08-18

Family

ID=59622848

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710120623.6A Pending CN107066690A (en) 2017-03-02 2017-03-02 A kind of computer based image calculates drilling depth control system

Country Status (1)

Country Link
CN (1) CN107066690A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108515262A (en) * 2018-05-03 2018-09-11 广东水利电力职业技术学院(广东省水利电力技工学校) A kind of new pattern laser engraving unit control system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013169256A1 (en) * 2012-05-10 2013-11-14 Bp Corporation North America Inc. Prediction and diagnosis of lost circulation in wells
US20130299241A1 (en) * 2012-05-10 2013-11-14 Bp Exploration Operating Company Limited Prediction and diagnosis of lost circulation in wells
CN103711484A (en) * 2014-01-14 2014-04-09 四川大学 Borehole imaging device
CN103971387A (en) * 2013-01-29 2014-08-06 上海联影医疗科技有限公司 Method for reconstructing CT image
CN104715461A (en) * 2015-04-02 2015-06-17 哈尔滨理工大学 Image noise reduction method
CN105096910A (en) * 2015-07-09 2015-11-25 西安诺瓦电子科技有限公司 Image processing method
CN105931219A (en) * 2016-04-13 2016-09-07 山东正元地球物理信息技术有限公司 Method for calculating depth of borehole based on borehole television images
CN106169004A (en) * 2016-07-15 2016-11-30 西南石油大学 A kind of anti-collision well system automatically

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013169256A1 (en) * 2012-05-10 2013-11-14 Bp Corporation North America Inc. Prediction and diagnosis of lost circulation in wells
US20130299241A1 (en) * 2012-05-10 2013-11-14 Bp Exploration Operating Company Limited Prediction and diagnosis of lost circulation in wells
CN103971387A (en) * 2013-01-29 2014-08-06 上海联影医疗科技有限公司 Method for reconstructing CT image
CN103711484A (en) * 2014-01-14 2014-04-09 四川大学 Borehole imaging device
CN104715461A (en) * 2015-04-02 2015-06-17 哈尔滨理工大学 Image noise reduction method
CN105096910A (en) * 2015-07-09 2015-11-25 西安诺瓦电子科技有限公司 Image processing method
CN105931219A (en) * 2016-04-13 2016-09-07 山东正元地球物理信息技术有限公司 Method for calculating depth of borehole based on borehole television images
CN106169004A (en) * 2016-07-15 2016-11-30 西南石油大学 A kind of anti-collision well system automatically

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108515262A (en) * 2018-05-03 2018-09-11 广东水利电力职业技术学院(广东省水利电力技工学校) A kind of new pattern laser engraving unit control system

Similar Documents

Publication Publication Date Title
US10795051B2 (en) Three-dimensional digital virtual imaging device and method for stratigraphic texture of borehole core
CN102389361B (en) Blindman outdoor support system based on computer vision
CN102693542B (en) Image characteristic matching method
CN111798386B (en) River channel flow velocity measurement method based on edge identification and maximum sequence density estimation
CN104574393B (en) A kind of three-dimensional pavement crack pattern picture generates system and method
CN111476767B (en) High-speed rail fastener defect identification method based on heterogeneous image fusion
CN206177238U (en) Vehicle gabarit size detection appearance
CN106679567A (en) Contact net and strut geometric parameter detecting measuring system based on binocular stereoscopic vision
CN104268935A (en) Feature-based airborne laser point cloud and image data fusion system and method
CN104005325A (en) Pavement crack detecting device and method based on depth and gray level images
CN104569972B (en) Plant root system three-dimensional configuration nondestructive testing method
CN107424140A (en) One kind is based on panorama remote viewing imaging and drilling track Measurement and Control System
CN103438834A (en) Hierarchy-type rapid three-dimensional measuring device and method based on structured light projection
CN110440766A (en) A kind of water-bearing layer hydrogeological parameter measuring device and method
WO2024083262A1 (en) Space-sky-ground-tunnel-hole integrated unfavorable geology identification method and system
CN114966696A (en) Transformer-based cross-modal fusion target detection method
CN106767421B (en) Motor-car vehicle body critical size detection system solution based on multi-vision visual
CN203203587U (en) Real-point real-time gradient measuring device based on laser ranging
CN113219157B (en) Landslide physical model force and displacement information monitoring system and method
CN107066690A (en) A kind of computer based image calculates drilling depth control system
CN114926418A (en) Non-contact measurement method for tension of guyed tower guyed wire of ultra-high voltage transmission line
CN105155504B (en) The lateral seismic transmission nondestructive detection system of railway bed and detection method
CN107369179A (en) A kind of high precision image localization method
CN104266594B (en) Thickness compensation method for block frozen shrimp net content detection based on different visual technologies
CN115791803A (en) Deep-buried tunnel surrounding rock blasting damage test system and test method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170818

RJ01 Rejection of invention patent application after publication