CN107229068A - Method and apparatus for recognizing exploration geophysics signal boundary - Google Patents
Method and apparatus for recognizing exploration geophysics signal boundary Download PDFInfo
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- CN107229068A CN107229068A CN201610172758.2A CN201610172758A CN107229068A CN 107229068 A CN107229068 A CN 107229068A CN 201610172758 A CN201610172758 A CN 201610172758A CN 107229068 A CN107229068 A CN 107229068A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
- G01V1/30—Analysis
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
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Abstract
The invention discloses the method and apparatus for recognizing exploration geophysics signal boundary.This method can include：Obtain two-dimensional digital image signal f (x, y)；Two-dimensional digital image signal f (x, y) is subtracted into segmentation side dividing value b, difference signal g (x, y) is obtained；Calculating difference signal g (x, y) m power, obtains h (x, y), and wherein m is even number；Open h (x, y) n powers and obtain k (x, y), wherein n is real number, and n>3m.Using the present invention, the signal boundary of two-dimensional digital image can clearly, be highlightedly shown, with stronger practicality.
Description
Technical field
The present invention relates to exploration geophysics field, more particularly, to one kind be used to recognizing seismic signal,
Gravitational cue, magnetic force signal, the method for electrical method signal boundary and one kind are used to recognize seismic signal, gravity letter
Number, magnetic force signal, the device of electrical method signal boundary.
Background technology
Conventional data signal Boundary Recognition technology, is that the digitized signal based on image has step type at present
The obvious vision of 3 kinds of edge, roof type edge, linear edge etc. can be recognized and pixel numerical value has step
The border of change, passes through Roberts operators, Sobel operators, Kirsh operators, Gauss-Laplace etc.
The method of the differential operator sensitive to pixel grey scale Spline smoothing is constructed to detect signal boundary.It is this kind of
Operator also can reduce the signal to noise ratio of image noise-sensitive, boundary characteristic while enhancing, therefore also simultaneously
Round and smooth filtering process need to be carried out to picture signal.
In practice, the image in the field such as geophysical exploration, meteorological observation, geodesic survey, is by one
The data that the sampled point of determining deviation is obtained are formed by interpolation, and the digitized signal of this kind of image does not often possess
The border of 3 kinds of Spline smoothings such as notch cuttype edge, roof type edge, linear edge, accordingly, it would be desirable to a kind of
The technology of the signal boundary of this kind of image can effectively be recognized.
The content of the invention
The present invention proposes a kind of method and apparatus for the signal boundary that can effectively recognize in image.
According to an aspect of the invention, it is proposed that a kind of method for recognizing exploration geophysics signal boundary,
This method includes：Obtain two-dimensional digital image signal f (x, y)；Two-dimensional digital image signal f (x, y) is subtracted point
Cut edge dividing value b, obtains difference signal g (x, y)；Calculating difference signal g (x, y) m power, obtains h (x, y),
Wherein m is even number；Open h (x, y) n powers and obtain k (x, y), wherein n is real number, and n>3m.
According to another aspect of the invention, it is proposed that a kind of dress for being used to recognize exploration geophysics signal boundary
Put, the device includes：Two dimensional image signal acquisition module, for obtaining two-dimensional digital image signal f (x, y)；
First difference module, for two-dimensional digital image signal f (x, y) to be subtracted into segmentation side dividing value b, obtains difference signal
g(x,y)；Power computing module, for calculating difference signal g (x, y) m power, obtains h (x, y), wherein m
For even number；Rooting module, k (x, y) is obtained for opening h (x, y) n powers, and wherein n is real number, and n>3m.
Exploration geophysics signal is handled using the present invention, can clearly, highlightedly show that sign is disconnected
The signal boundary of tectonic information etc. is split, with stronger practicality.
Brief description of the drawings
By the way that exemplary embodiment of the invention is described in more detail with reference to accompanying drawing, of the invention is above-mentioned
And other purposes, feature and advantage will be apparent, wherein, in exemplary embodiment of the invention
In, identical reference number typically represents same parts.
Fig. 1 shows according to an embodiment of the invention for recognizing exploration geophysics signal boundary
The flow chart of method.
Fig. 2 shows the A/W abnormal data of certain test block.
Fig. 3 shows the signal boundary recognition result for applying the present invention to be obtained after handling Fig. 2.
Fig. 4 shows the rift structure distribution schematic diagram of the seismic data interpretation of the corresponding test blocks of Fig. 2.
Embodiment
The preferred embodiment of the present invention is more fully described below with reference to accompanying drawings.Although being shown in accompanying drawing
The preferred embodiment of the present invention, however, it is to be appreciated that may be realized in various forms the present invention without should be by
Embodiments set forth herein is limited.On the contrary, thesing embodiments are provided so that the present invention is more saturating
It is thorough and complete, and those skilled in the art can be will fully convey the scope of the invention to.
Embodiment 1
Fig. 1 shows according to an embodiment of the invention for recognizing exploration geophysics signal boundary
The flow chart of method.In the present embodiment, this method includes：
Step 101, two-dimensional digital image signal f (x, y) is obtained；
Step 102, two-dimensional digital image signal f (x, y) is subtracted into segmentation side dividing value b, obtains difference signal
g(x,y)；
Step 103, calculating difference signal g (x, y) m power, obtains h (x, y), and wherein m is even number；With
And
Step 104, n powers are opened h (x, y) and obtain k (x, y), wherein n is real number, and n>3m.
In the present embodiment, first f (x, y) subtracts segmentation side dividing value from original two dimensional data image signal, then obtains
Difference signal g (x, y) m power h (x, y) so that difference shows as nonnegative number, then h (x, y) is entered again
N evolution of row, so that the numerical value outside border is basic all in equality strength, so as to highlight signal boundary.
In some embodiments, the present embodiment may also include the maximum for obtaining k (x, y), and use the maximum
K (x, y) is subtracted, residual signal r (x, y) is obtained so that signal boundary is changed to " sun is carved " from " the moon is carved ", more just
In identification.
Applicant has found after many experiments, sets m=2, n=16, results in good treatment effect.
Existing log data can be analyzed, to determine above-mentioned partitioning boundary b.Those skilled in the art
Also above-mentioned partitioning boundary b can be determined according to other any suitable means.
Embodiment 2
The invention also discloses a kind of device for being used to recognize exploration geophysics signal boundary.The device includes：
Two dimensional image signal acquisition module, for obtaining two-dimensional digital image signal f (x, y)；First difference module, is used for
Two-dimensional digital image signal f (x, y) is subtracted into segmentation side dividing value b, difference signal g (x, y) is obtained；Power calculates mould
Block, for calculating difference signal g (x, y) m power, obtains h (x, y), wherein m is even number；Rooting module,
Obtain k (x, y), wherein n is real number, and n for n powers to be opened h (x, y)>3m.
In a kind of possible embodiment, the device can also include：Maximum acquisition module, Ke Yiyong
In the maximum for obtaining k (x, y)；Second difference module, can be used for subtracting k (x, y) with the maximum, obtains
Residual signal r (x, y).
In a kind of possible embodiment, m=2, n=16 can be set.
In a kind of possible embodiment, the device can also include border determining module.Border determines mould
Block can be used for analyzing log data, to determine segmentation side dividing value b
Using example
For ease of understanding the scheme and its effect of the embodiment of the present invention, a concrete application example given below.
It will be understood by those skilled in the art that the example is only for the purposes of understanding the present invention, its any detail is not
It is intended to limit the present invention in any way.
Fig. 2 shows the A/W abnormal data of certain test block.Fig. 3 is shown using the present invention to Fig. 2
The signal boundary recognition result obtained after being handled.Fig. 4 shows the earthquake money of the corresponding test blocks of Fig. 2
Expect the rift structure distribution schematic diagram explained.Comparison diagram 3 and Fig. 4 can be seen that the signal shown in Fig. 3
Rift structure that border and seismic interpretation are obtained (F1, F3, F4, F6, F7, F11 in such as Fig. 4,
) etc. F12 there is preferable corresponding relation, illustrate that the present invention can effectively recognize signal boundary.
The present invention can be system, method and/or computer program product.Computer program product can include
Computer-readable recording medium, containing for making processor realize the computer of various aspects of the invention
Readable program instructions.
Computer-readable recording medium can keep and store to perform the instruction that equipment is used by instruction
Tangible device.Computer-readable recording medium for example can be-- but be not limited to-- storage device electric,
Magnetic storage apparatus, light storage device, electromagnetism storage device, semiconductor memory apparatus or above-mentioned any conjunction
Suitable combination.The more specifically example (non exhaustive list) of computer-readable recording medium includes：It is portable
Formula computer disks, hard disk, random access memory (RAM), read-only storage (ROM), erasable type can
Program read-only memory (EPROM or flash memory), static RAM (SRAM), portable pressure
Contracting disk read-only storage (CD-ROM), digital versatile disc (DVD), memory stick, floppy disk, machinery are compiled
Decoding apparatus, the punch card for being for example stored thereon with instruction or groove internal projection structure and above-mentioned any conjunction
Suitable combination.Computer-readable recording medium used herein above is not construed as instantaneous signal in itself, such as
The electromagnetic wave of radio wave or other Free propagations, the electromagnetic wave propagated by waveguide or other transmission mediums
(for example, the light pulse for passing through fiber optic cables) or the electric signal transmitted by electric wire.
Computer-readable program instructions as described herein can download to each from computer-readable recording medium
Calculating/processing equipment, or downloaded by network, such as internet, LAN, wide area network and/or wireless network
To outer computer or External memory equipment.Network can include copper transmission cable, optical fiber transmission, wireless biography
Defeated, router, fire wall, interchanger, gateway computer and/or Edge Server.Each calculating/processing is set
Adapter or network interface in standby receive computer-readable program instructions from network, and forward the meter
Calculation machine readable program instructions, for being stored in the computer-readable recording medium in each calculating/processing equipment.
Can be assembly instruction, instruction set architecture for performing the computer program instructions that the present invention is operated
(ISA) instruction, machine instruction, machine-dependent instructions, microcode, firmware instructions, condition setup data,
Or the source code or object code write with any combination of one or more programming languages, the programming language
Speech includes the programming language of object-oriented-Smalltalk, C++ etc., and routine process type programming language
Speech-such as " C " language or similar programming language.Computer-readable program instructions can be counted fully in user
Perform, partly perform on the user computer on calculation machine, as independent software kit execution, a part
Part is performed or completely on remote computer or server on the remote computer on the user computer
Perform.In the situation of remote computer is related to, remote computer can be by network-bag of any kind
LAN (LAN) or wide area network (WAN)-be connected to subscriber computer are included, or, it may be connected to outside meter
Calculation machine (such as using ISP come by Internet connection).In certain embodiments, pass through
Using the status information of computer-readable program instructions come personalized customization electronic circuit, such as FPGA
Circuit, field programmable gate array (FPGA) or programmable logic array (PLA), the electronic circuit can
To perform computer-readable program instructions, so as to realize various aspects of the invention.
Referring herein to the stream of method according to embodiments of the present invention, device (system) and computer program product
Journey figure and/or block diagram describe various aspects of the invention.It should be appreciated that each side of flow chart and/or block diagram
The combination of each square frame, can be realized by computer-readable program instructions in frame and flow chart and/or block diagram.
These computer-readable program instructions can be supplied to all-purpose computer, special-purpose computer or other compile
The processor of journey data processing equipment, so as to produce a kind of machine so that these instructions are passing through computer
Or other programmable data processing units computing device when, generate in implementation process figure and/or block diagram
The device of function/action specified in one or more square frames.Can also be these computer-readable program instructions
Storage in a computer-readable storage medium, these instruct cause computer, programmable data processing unit and/
Or other equipment works in a specific way, so that, the computer-readable medium for the instruction that is stored with then includes one
Manufacture, it includes function/action specified in one or more of implementation process figure and/or block diagram square frame
The instruction of various aspects.
Computer-readable program instructions can also be loaded into computer, other programmable data processing units,
Or on miscellaneous equipment so that perform one on computer, other programmable data processing units or miscellaneous equipment
Series of operative steps, to produce computer implemented process, so that in computer, other programmable numbers
According to one or more of instruction implementation process figure and/or block diagram performed in processing unit or miscellaneous equipment side
Function/action specified in frame.
For example, the C++Builder implementation present invention can be utilized under Windows operating system.
Flow chart and block diagram in accompanying drawing show system, method and the meter of multiple embodiments according to the present invention
Architectural framework in the cards, function and the operation of calculation machine program product.At this point, flow chart or block diagram
In each square frame can represent a module, program segment or a part for instruction, the module, program segment
Or a part for instruction includes one or more executable instructions for being used to realize defined logic function.Having
In a little realizations as replacement, the function of being marked in square frame can also be with suitable different from what is marked in accompanying drawing
Sequence occurs.For example, two continuous square frames can essentially be performed substantially in parallel, they sometimes can also
Perform in the opposite order, this is depending on involved function.It is also noted that block diagram and/or flow chart
In each square frame and the square frame in block diagram and/or flow chart combination, can with perform as defined in function
Or the special hardware based system of action is realized, or specialized hardware and computer instruction can be used
Combine to realize.
It is described above various embodiments of the present invention, described above is exemplary, and non-exclusive,
And it is also not necessarily limited to disclosed each embodiment.In the scope and spirit without departing from illustrated each embodiment
In the case of, many modifications and changes will be apparent from for those skilled in the art.
For example, one of ordinary skill in the art will appreciate that disclosed in this invention technical scheme not only may be used
With the image procossing applied to exploration geophysics field, it can also be applied at other signal transactings and image
In reason, such as signal of communication processing, medical signals processing and image procossing etc., these are only to the present invention
In the simple deformation of embodiment that enumerates, belong to same inventive concept with the embodiment that is enumerated in the present invention,
Also belong to protection scope of the present invention.The selection of term used herein, it is intended to best explain each implementation
Principle, practical application or the improvement to the technology in market of example, or make the other common of the art
Technical staff is understood that each embodiment disclosed herein.
Claims (8)
1. a kind of method for recognizing exploration geophysics signal boundary, this method includes：
Obtain two-dimensional digital image signal f (x, y)；
Two-dimensional digital image signal f (x, y) is subtracted into segmentation side dividing value b, difference signal g (x, y) is obtained；
Calculating difference signal g (x, y) m power, obtains h (x, y), and wherein m is even number；
Open h (x, y) n powers and obtain k (x, y), wherein n is real number, and n>3m.
2. according to the method described in claim 1, this method also includes：
Obtain k (x, y) maximum；
K (x, y) is subtracted with the maximum, residual signal r (x, y) is obtained.
3. according to the method described in claim 1, wherein, the m=2, n=16.
4. according to the method described in claim 1, this method also includes：
Log data is analyzed, to determine segmentation side dividing value b.
5. a kind of device for being used to recognize exploration geophysics signal boundary, the device includes：
Two dimensional image signal acquisition module, for obtaining two-dimensional digital image signal f (x, y)；
First difference module, for two-dimensional digital image signal f (x, y) to be subtracted into segmentation side dividing value b, obtains difference
Signal g (x, y)；
Power computing module, for calculating difference signal g (x, y) m power, obtains h (x, y), wherein m is even
Number；
Rooting module, k (x, y) is obtained for opening h (x, y) n powers, and wherein n is real number, and n>3m.
6. device according to claim 5, the device also includes：
Maximum acquisition module, the maximum for obtaining k (x, y)；
Second difference module, for subtracting k (x, y) with the maximum, obtains residual signal r (x, y).
7. device according to claim 5, wherein, the m=2, n=16.
8. device according to claim 5, the device also includes：
Border determining module, for analyzing log data, to determine segmentation side dividing value b.
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| CN201610172758.2A CN107229068A (en) | 2016-03-24 | 2016-03-24 | Method and apparatus for recognizing exploration geophysics signal boundary |
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| CN201610172758.2A CN107229068A (en) | 2016-03-24 | 2016-03-24 | Method and apparatus for recognizing exploration geophysics signal boundary |
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Cited By (1)
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