• Processing of rock core microtomography images:

    22 Image acquisition and processing An image of a cylindrical rock sample with a diameter of 30 mm was acquired using a custombuilt XCT scanner based on a CTAlpha system (ProCon, Sarstedt, Germany) at the Institute for Geosciences laboratory in Mainz, GermanyThe XCT scanner consisted of a Feinfocus microfocus Xray tube (Yxlon, Hamburg, Germany) with a diamondcoated

  • Cited by: 67
  • (PDF) Comparing three image processing algorithms

    In this study, three previously developed image processing algorithms are implemented on twodimensional (2D) binary images of rocks in order to compare the obtained GSD from each of the methods

  • Image Processing Techniques That You Can Use in

    Image processing is a method to perform operations on an image to extract information from it or enhance it Digital image processing has a broad range of applications such as image restoration, medical imaging, remote sensing, image segmentation, etc Every process requires a different technique In this article, we will be covering the top 6 []

  • Image Databases ImageProcessingPlace

    Images from Digital Image Processing Using MATLAB, 2nd ed by Gonzalez, Woods, and Eddins Download "Standard" test images (a set of images found frequently in the literature: Lena, peppers, cameraman, lake, etc, all in uncompressed tif format and of the same 512 x 512 size) Download: MPEG7 CE Shape1 Part B (database containing 1400 binary

  • Top 8 ImageProcessing Python Libraries Used in

    PIL (Python Imaging Library) is an opensource library for image processing tasks that requires python programming languagePIL can perform tasks on an image such as reading, rescaling, saving in different image formats PIL can be used for Image archives, Image processing, Image display Image enhancement with PIL For example, let’s enhance the following image by 30% contrast

  • Contour and Texture Analysis for Image Segmentation

    by processing a large number of natural images, or we could find them adaptively in windows of images In each case the Kmeans technique can be used By mapping each pixel to the texton nearest to its vector of filter responses, the image can be analyzed into texton channels, each of which is a point set

  • Artificial Intelligence (AI) for Image Processing and

    What’s Image Processing?
  • Matrix Operations for Image Processing Paul Haeberli

    Matrix Operations for Image Processing Paul Haeberli Nov 1993 Introduction Four by four matrices are commonly used to transform geometry for 3D rendering These matrices may also be used to transform RGB colors, to scale RGB colors, and to control hue, saturation and contrast

  • Convolution — Fundamental Tools for Image Processing

    Definition¶ Many image processing methods result from a modification of one pixel with respect to its neighbors When this modification is similar in the entire image \(g\), it can be mathematically defined using a second image \(h\) which defines the neighbor relationships This results in a third image \(f\)This is the socalled convolution [Jahne 2005, section 4] and it is denoted with

  • Rock Classification Based on Image Processing and

    For the identification complexity of rock microstructure, based on numerical analysis of rock section images, an automatic rock texture classification method and identification system is proposed in this paper Digital grey image processing of rock thin section is used for features extraction, the features are then as inputs to the neural network model, the model output is the rock

  • Analysis of Rock Fragmentation Using Digital Image

    In this paper, a procedure for calculating the size distribution of rock fragments using video images is described The procedure utilizes a high‐resolution video camera for image capturing in the field and a set of computer algorithms for processing the video images

  • Rock mapping of glaciated areas by satellite image

    Satellite Image Processing Polar Research 13, 2333 A model is presented that performs spectral deicing of mixed pixels in satellite images of glaciated areas The model was tested in Northern Victoria Land, Antarctica For this region we assumed that pixels could be grouped in two broad categories representing pure ice and pure rock

  • ANALYSIS OF ROCK FRAGMENTATION USING

    ANALYSIS OF ROCK FRAGMENTATION USING DIGITAL IMAGE PROCESSING The paper describes a procedure for calcualting the size distribution of rock fragments using video images The procedure uses a highresolution video camera for image capturing in the field and a set of computer algorithms for processing the video images

  • Digital Image Processing Method for Characterization of

    internal structure of rocklike material Digital image processing is a digitalbased and computerbased approach applying various mathematical algorithms to extract significant information from the images Digital image processing has been widely used in a range of engineering topics in recent years to determine the characteristics of

  • Image processing for automatic extraction of rock

    A complete algorithm for starting with a digital image of a rock face, automatically delineating traces, and extracting three dimensional joint or fracture orientation data is described Less emphasis is placed on the preprocessing of the image, as different images require different levels of filtering, but nearly all prepmcessing ultimately

  • Measurement of Size Distribution of Blasted Rock Using

    and costly Fragmentation analysis by digital image processing is a low cost and quick method Split system is one of the digital image processing software developed to compute the size distribution of fragmented rock from digital images In this study, size distributions were analyzed by using Split Desktop ® system In the analysis, the

  • An approach for wellbore failure analysis using rock

    Image processing procedure The image of the coarse portion of samples (cavings) was taken and imported to ImageJ software for processing This method was to obtain quantitative data from the images including area, circularity, roundness and perimeter together with the minimum and major axis lengths of particles

  • Image Databases ImageProcessingPlace

    Images from Digital Image Processing Using MATLAB, 2nd ed by Gonzalez, Woods, and Eddins Download "Standard" test images (a set of images found frequently in the literature: Lena, peppers, cameraman, lake, etc, all in uncompressed tif format and

  • JMicroVision: Image Analysis Toolbox

    Image analysis toolbox: measuring and quantifying components of highdefinition images The program contains most of the common image processing operations and has innovative features

  • Digital Image Processing for Rock Joint Surface Studies

    Digital Image Processing for Rock Joint Surface Studies Scott L Huang and Robert C Speck Department of Mining and Geological Engineering, University of AlaskaFairbanks,Fairbanks, AK 997751190 ABSTRACT: The presence of a jointed rock mass in an excavation may lead to the ultimate failure of an engineered

  • Digital Recording and Image Processing of Rock Art by

    the aid of a highspeed digital computer using digital image processing software This technique has considerable potential for enhancing colour slide images of rock paintings that will help in their decipherment The possible establishment of an integrated, allembracing computer orientated rock

  • Analysis of rock fragmentation using digital image

    Modern techniques using video images and computer image processing techniques have the potential for analyzing rock fragmentation accurately and efficiently A procedure has been developed for analyzing rock fragmentation which uses a highresolution video camera for capturing images in the field, and specialized computer algorithms for

  • Rock mapping of glaciated areas by satellite image

    Satellite Image Processing Polar Research 13, 2333 A model is presented that performs spectral deicing of mixed pixels in satellite images of glaciated areas The model was tested in Northern Victoria Land, Antarctica For this region we assumed that pixels could be grouped in two broad categories representing pure ice and pure rock

  • Classification of Intrusive Igneous Rocks Using Digital

    new method of classifying igneous rocks using digital image processing technique This will be achieved by determining the black pixels of the binary images, which represent the dark minerals of the rocks 11 Minerals of Igneous Rocks Felsic and mafic rock

  • Rock mapping of glaciated areas by satellite image

    Rock mapping of glaciated areas by satellite image processing these were recomputed to separate the spectral component related to the rock fraction We used Landsat TM images as input data and aerial photographs, maps and field surveys as reference data By making use of sample populations of pixels corresponding to pure ice and to pure

  • Image processing for automatic extraction of rock

    A complete algorithm for starting with a digital image of a rock face, automatically delineating traces, and extracting three dimensional joint or fracture orientation data is described Less emphasis is placed on the preprocessing of the image, as different images require different levels of filtering, but nearly all prepmcessing ultimately

  • COMPARING THREE IMAGE PROCESSING

    In this study, three previously developed image processing algorithms are implemented on twodimensional (2D) binary images of rocks in order to compare the obtained GSD from each of the methods, ie, the mean intercept length method, erosion and dilation method, and watershed segmentation method

  • Characterization of the pore size distribution with SEM

    A quantitative method to describe pore size distribution for the tight rock with scanning electron microscope (SEM) image processing was proposed in the paper The tight oil outcrop samples in the Jurassic System in Sichuan Basin were collected to make SEM experiment The nanometer pore could be seen clearly in SEM images

  • Image Databases ImageProcessingPlace

    Images from Digital Image Processing Using MATLAB, 2nd ed by Gonzalez, Woods, and Eddins Download "Standard" test images (a set of images found frequently in the literature: Lena, peppers, cameraman, lake, etc, all in uncompressed tif format and

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