GC0000235A - Processing an image - Google Patents

Processing an image

Info

Publication number
GC0000235A
GC0000235A GCP20011559A GC0000235A GC 0000235 A GC0000235 A GC 0000235A GC P20011559 A GCP20011559 A GC P20011559A GC 0000235 A GC0000235 A GC 0000235A
Authority
GC
Cooperation Council for the Arab states of the Gulf
Prior art keywords
epsil
point
image
calculating
elements
Prior art date
Application number
Inventor
Erik Bouts
Gijsbert Christiaan Fehmers
Stiliyan Nikolov Kalitzin
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Application granted granted Critical
Publication of GC0000235A publication Critical patent/GC0000235A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • 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
    • G01V1/34—Displaying seismic recordings or visualisation of seismic data or attributes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/30—Noise filtering
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/60—Analysis
    • G01V2210/64—Geostructures, e.g. in 3D data cubes
    • G01V2210/646—Fractures
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20004—Adaptive image processing
    • G06T2207/20012—Locally adaptive
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20192—Edge enhancement; Edge preservation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Remote Sensing (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

rocessing a seismic image comprising the steps of(a) obtaining a two or three dimensional initial image data set, wherein each element u(m=0) of the data set is the initial image intensity of a point of the image;(b) calculating for each point the partial derivatives of u(m) in n directions to obtain n derivative data sets of the partial derivatives uxi; (c) calculating for each point a symmetric nxn structural matrix S, wherein the elements spq equal uxp.uxq, and an nxn diffusion matrix D, wherein the elements dij are a function of the elements spq; (d) calculating for each point u(m+1) from u(m) using the following equation u(m+1)=u(m)+c.div(epsil.Dgrad(u(m))), wherein c is a predetermined constant, 0<=c<=1, and wherein epsil is a scalar, 0<=epsil<=, wherein epsil is close to zero when near an edge and close to 1 when far away from an edge (10, 11, 12, 14, 15); and(e) repeating steps (b) through (e) M times to obtain the processed image.
GCP20011559 2000-08-09 2001-08-06 Processing an image GC0000235A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00306780 2000-08-09

Publications (1)

Publication Number Publication Date
GC0000235A true GC0000235A (en) 2006-03-29

Family

ID=8173178

Family Applications (1)

Application Number Title Priority Date Filing Date
GCP20011559 GC0000235A (en) 2000-08-09 2001-08-06 Processing an image

Country Status (10)

Country Link
US (1) US6725174B2 (en)
EP (1) EP1307858B1 (en)
JP (1) JP2004506275A (en)
AU (2) AU8400601A (en)
CA (1) CA2417749C (en)
DE (1) DE60102247T2 (en)
GC (1) GC0000235A (en)
MY (1) MY126900A (en)
NO (1) NO324860B1 (en)
WO (1) WO2002013139A1 (en)

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US20110115787A1 (en) * 2008-04-11 2011-05-19 Terraspark Geosciences, Llc Visulation of geologic features using data representations thereof
US20110297369A1 (en) * 2008-11-14 2011-12-08 Krishnan Kumaran Windowed Statistical Analysis For Anomaly Detection In Geophysical Datasets
US20100312480A1 (en) * 2009-04-24 2010-12-09 Hansteen Fredrik Method for monitoring fluid flow in a multi-layered system
US8170288B2 (en) * 2009-05-11 2012-05-01 Saudi Arabian Oil Company Reducing noise in 3D seismic data while preserving structural details
US9536022B1 (en) 2009-06-01 2017-01-03 Paradigm Sciences Ltd. Systems and methods for modeling faults in the subsurface
US9418182B2 (en) 2009-06-01 2016-08-16 Paradigm Sciences Ltd. Systems and methods for building axes, co-axes and paleo-geographic coordinates related to a stratified geological volume
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US8380435B2 (en) * 2010-05-06 2013-02-19 Exxonmobil Upstream Research Company Windowed statistical analysis for anomaly detection in geophysical datasets
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US8938105B2 (en) 2010-10-28 2015-01-20 Kabushiki Kaisha Toshiba Denoising method and system for preserving clinically significant structures in reconstructed images using adaptively weighted anisotropic diffusion filter
CN102646265B (en) 2011-02-22 2015-09-23 株式会社东芝 Image processing equipment and method
US10114134B2 (en) 2012-03-02 2018-10-30 Emerson Paradigm Holding Llc Systems and methods for generating a geological model honoring horizons and faults
US9759826B2 (en) 2012-04-03 2017-09-12 Paradigm Sciences Ltd. System and method for generating an implicit model of geological horizons
US20140278118A1 (en) * 2013-03-14 2014-09-18 Chevron U.S.A. Inc. System and method for attenuating noise in seismic data
EP3418778B1 (en) 2013-03-15 2020-07-15 Emerson Paradigm Holding LLC Systems and methods to build sedimentary attributes
CN104020492B (en) * 2013-07-01 2015-10-28 西安交通大学 A kind of guarantor limit filtering method of three dimensional seismic data
CN103489159B (en) * 2013-09-02 2016-05-04 电子科技大学 Based on the 3D seismic data image denoising method of three limit structure directing filtering
EP2869096B1 (en) 2013-10-29 2019-12-04 Emerson Paradigm Holding LLC Systems and methods of multi-scale meshing for geologic time modeling
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US9690002B2 (en) 2015-06-18 2017-06-27 Paradigm Sciences Ltd. Device, system and method for geological-time refinement
US10466388B2 (en) 2016-09-07 2019-11-05 Emerson Paradigm Holding Llc System and method for editing geological models by switching between volume-based models and surface-based structural models augmented with stratigraphic fiber bundles
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CN111356941A (en) * 2017-09-22 2020-06-30 沙特阿拉伯石油公司 Geological inclination estimation based on seismic data
US10520644B1 (en) 2019-01-10 2019-12-31 Emerson Paradigm Holding Llc Imaging a subsurface geological model at a past intermediate restoration time
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Also Published As

Publication number Publication date
EP1307858A1 (en) 2003-05-07
CA2417749C (en) 2009-09-22
AU2001284006B2 (en) 2004-06-17
EP1307858B1 (en) 2004-03-03
NO20030607L (en) 2003-04-08
US20030179907A1 (en) 2003-09-25
WO2002013139A1 (en) 2002-02-14
MY126900A (en) 2006-10-31
DE60102247T2 (en) 2005-02-24
JP2004506275A (en) 2004-02-26
CA2417749A1 (en) 2002-02-14
NO20030607D0 (en) 2003-02-07
DE60102247D1 (en) 2004-04-08
US6725174B2 (en) 2004-04-20
NO324860B1 (en) 2007-12-17
AU8400601A (en) 2002-02-18

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