getstructuringelement opencv python

getstructuringelement opencv python

getstructuringelement opencv python

getstructuringelement opencv python

  • getstructuringelement opencv python

  • getstructuringelement opencv python

    getstructuringelement opencv python

    So it increases the white region in the image or size of foreground object increases. Python OpenCV OpenCV C ++CPython Java OpenCV Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. A pixel in the original image (either 1 or 0) will be considered 1 only if all the pixels under the kernel is 1, otherwise it is eroded (made to zero). Morphological operations are simple transformations applied to binary or grayscale images. self.coordinate = coordinate If youre already familiar with Python virtual environments and the virtualenv + virtualenvwrapper tools, simply install the following packages via pip: Then its time to install Tesseract and its Python bindings. One nice and robust technique to detect line segments is LSD (line segment detector), available in openCV since openCV 3. Figure 3 shows the effect of the closing operation combined with Otsus inverse binary thresholding. I know what you are thinking: Why havent we applied deep learning object detection to find the license plate? Lines 37 and 38 perform a binary threshold on our image using Otsus method to reveal the light regions in the image that may contain license plate characters. Here youll learn how to successfully and confidently apply computer vision to your work, research, and projects. If you found that implementing this class was challenging to understand, then I would recommend you study Module 1 of the PyImageSearch Gurus course, where youll learn the basics of computer vision and image processing. One nice and robust technique to detect line segments is LSD (line segment detector), available in openCV since openCV 3. ocr, : The kernel slides through the image (as in 2D convolution). For training our model, we need to read the data first. I n this blog going to learn and build a CNN model to classify the species of a seedling from an i mage. Before long, well be able to ditch the training wheels and consider working for a toll technology company, red-light camera integrator, speed ticketing system, or parking garage ticketing firm in which we need 99.97% accuracy. PSH2S255V255opencvHSV PSHSV Morphological operations are simple transformations applied to binary or grayscale images. OpenCV OCR and text recognition with Tesseract. That rules out deep learning object detection, which means were going to have to exercise our traditional computer vision knowledge. In the top-right case, the letter Z is mistaken for the digit 7. It was created by John F. Canny in 1986 and published in the paper "A computational approach to edge detection".It is one of the most popular techniques for edge detection, not just because of its simplicity, but also because it generates high-quality results. OpenCV and Python versions: This example will run on Python 2.7/Python 3.4+ and OpenCV 2.4.X/OpenCV 3.0+.. Detecting Skin in Images & Video Using Python and OpenCV. We proceed by determining the bounding box rectangle of the contour, c (Line 94). ( Cleaning an image is an intensive task. Tesseract will work best when you provide it with neatly cleaned and pre-processed images. ANPR results with OpenCV and Python. We are going to use NumPy, Pandas, matplotlib, OpenCV, Keras, and sci-kit-learn. Open Source Computer Vision Python: cv.getStructuringElement(shape, ksize[, anchor]) -> retval: #include Returns a structuring element of the specified size and shape for morphological operations. Open Source Computer Vision getStructuringElement() in an example where your goal will be to extract the music notes from a music sheet. This serves as a safety mechanism for OpenCVs cv2.putText function, which isnt always able to render special characters during image annotation (OpenCV will render them as ?, question marks). Canny Edge Detector. It is now time to do just that. Or requires a degree in computer science? Varying the indices in the Typically, the waitKey boolean will be False. For that reason we need to refine the edges in order to obtain a smoother result: Extract horizontal and vertical lines by using morphological operations, A Diamond-Shaped Structuring Element and its Origin. 4.84 (128 Ratings) 15,800+ Students Enrolled. The labels are strings and these are hard to process. As the previous sections ANPR results showed, sometimes our ANPR system worked well and other times it did not. With our constructor ready to go, lets define a helper function to display results at various points in the imaging pipeline when in debug mode: Our helper function debug_imshow (Line 16) accepts three parameters: Lines 19-24 display the debugging image in an OpenCV window. #include "YuChuLi.h" Open up a new file, name it detect_barcode.py, and lets get coding: # import the necessary packages import numpy as np import argparse import imutils import cv2 # construct the argument parse and parse the arguments ap = template = cv2.imread('Templ fgbg = cv2.bgsegm.createBackgroundSubtractorGMG() while(1): At the time I was receiving 200+ emails per day and another 100+ blog post comments. . If your debug option is on, youll see a blackhat visualization similar to the one in Figure 2 (bottom): As you can see from above, the license plate characters are clearly visible! It is mandatory to procure user consent prior to running these cookies on your website. The bottom result is encouraging because Tesseract OCR should be able to decipher the characters. PythonOpenCVEAST The final aim is to build a classifier that is capable to determine the plant species from a photo. We will see them one-by-one with help of following image: The basic idea of erosion is just like soil erosion only, it erodes away the boundaries of foreground object (Always try to keep foreground in white). ROIROIopencvpythonROI ROI For instance, using this image: We get the results below. From there, open up a terminal and execute the following command for our first group of OpenCV 3.4.18-dev. Open Source Computer Vision Compile the code above and execute it (or run the script if using python) with an image as argument. We manually created a structuring elements in the previous examples with help of Numpy. In this tutorial, you will build a basic Automatic License/Number Plate Recognition (ANPR) system using OpenCV and Python. In general the rules followed from these two operations have as follows: Dilation: The value of the output pixel is the maximum value of all the pixels that fall within the structuring element's size and shape. Open Source Computer Vision Python: cv.getStructuringElement(shape, ksize[, anchor]) -> retval: #include Returns a structuring element of the specified size and shape for morphological operations. There are some pre-requirements that we have to follow like reducing the learning rate, find the best weights for the model and save these calculated weights so that we can use them further for testing and getting predictions. For example in a binary image, if any of the pixels of the input image falling within the range of the kernel is set to the value 1, the corresponding pixel of the output image will be set to 1 as well. It is rectangular shape. Morphological transformations are some simple operations based on the image shape. ( MorphTypes), kernel:getStructuringElement, iterations:intNone European and international plates are often longer and not as tall as United States license plates. Note: Tesseract should be installed on your system (not in a virtual environment). In this tutorial, you learned how to build a basic Automatic License/Number Plate Recognition system using OpenCV and Python. 3. close operation():, op:cv2.MORPH_ERODE,cv2.MORPH_DILATE,cv2.MORPH_OPEN)cv2.MORPH_CLOSE OpenCV 3.4.18-dev. If you need to revisit this method, refer to the walkthrough in the The central method of the PyImageSearchANPR class section, bearing in mind that the bulk of the work is done in the class methods leading up to the find_and_ocr method. You also have the option to opt-out of these cookies. This article was published as a part of theData Science Blogathon. OpenCV-PythongetStructuringElementNumPyndarray() xi_ao_ma: The media shown in this article are not owned by Analytics Vidhya and is used at the Authors discretion. After a grueling three-day marathon consulting project in Maryland, where it did nothing but rain the entire time, I hopped on I-95 to drive back to Connecticut to visit friends for the weekend. My pip install opencv tutorial will help you get up and running with these tools, as well as the OpenCV binaries installed in a Python virtual environment. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. It is rectangular shape. My implementation of the algorithm is originally based loosely on this StackOverflow question. OpenCVHSVtesseract-OCR We will be performing the following steps in order to clean the images. self.image = image.convert('RGB') Open up your favorite editor, create a new file, name it skindetector.py, and lets get to work: # import the necessary packages from Two basic morphological operators are Erosion and Dilation. The roi and lpCnt will remain as None, and it is up to the driver script to handle this scenario. However, there is still one mistake in each example. Here we use the function, cv.morphologyEx(). 4. PythonOpenCVEAST Theory Morphology Operations. Start by using the Downloads section of this tutorial to download the source code and example images. Open Source Computer Vision Compile the code above and execute it (or run the script if using python) with an image as argument. We manually created a structuring elements in the previous examples with help of Numpy. The solution here is to apply our clear_border function to strip foreground pixels that touch the border of the image that confuse Tesseract OCR: Were able to improve the ANPR OCR results for these images by applying the clear_border function. In this tutorial, were not considering U.S. license/number plates. 2021-02-13 Python OpenCV morphologyEx() morphologyEx(src,op,kernel,dst = None,anchor = None,iterations = None,borderType = None,borderValue = None) Figure 5 shows a contiguous white region where the license plate characters are located: At first glance, these results look cluttered. OpenCV 3.4.18-dev. From there, well review our project structure. OpenCV Morphological Operations. We are randomly using 4 convolution layers and 3 fully connected layers. lowpytesseract, 1.1:1 2.VIPC. Our final method brings all the components together in one centralized place so our driver script can instantiate a PyImageSearchANPR object, and then make a single function call. ROIROIopencvpythonROI ROI import math Hopefully, the aspect ratio is acceptable and falls within the bounds of a typical license plates minAR and maxAR. I created this website to show you what I believe is the best possible way to get your start. Overfitting is a problem in machine learning in which our model performs very well on train g data but performs poorly on testing data. maskmask 1. GMM 2. , xdg31415: We are going to use a combination of pip, virtualenv, and virtualenvwrapper. This class provides a reusable means for license plate localization and character OCR operations. I knew exactly how their Automatic License/Number Plate Recognition system worked. Detecting Barcodes in Images using Python and OpenCV. Detecting Barcodes in Images using Python and OpenCV. However, if you are developing an ANPR system that does not have a controlled environment, youll need to start inserting machine learning and/or deep learning to replace parts of our plate localization pipeline. We follow with a couple of dilations and an erosion to fill holes and clean up the image (Lines 69 and 70). Check the below code for the confusion matrix, In the final part, we are getting our predictions on the testing dataset. Hope you learn something from this blog and it will help you in the future. As I mentioned in the introduction to this tutorial (and Ill reiterate in the summary), this blog post serves as a starting point to building your own Automatic License/Number Plate Recognition systems. My implementation of the algorithm is originally based loosely on this StackOverflow question. We need a deep neural network for the images. A call to our find_and_ocr method while passing the image, --psm mode, and --clear-border flag primes our ANPR pipeline pump to spit out the resulting OCRd text and license plate contour on the other end. Good luck! The basic idea of erosion is just like soil erosion only, it erodes away the boundaries of foreground object (Always try to keep foreground in white). The function constructs and returns the structuring element Or has to involve complex mathematics and equations? The Scharr gradient will detect edges in the image and emphasize the boundaries of the characters in the license plate: Using cv2.Sobel, we compute the Scharr gradient magnitude representation in the x-direction of our blackhat image (Lines 44 and 45). Normally, in cases like noise removal, erosion is followed by dilation. In this article, we will learn how to use contours to detect the text in an image and save it to You can master Computer Vision, Deep Learning, and OpenCV - PyImageSearch, Automatic License Plate Recognition OpenCV Tutorials Optical Character Recognition (OCR) Tutorials, by Adrian Rosebrock on September 21, 2020. OpenCV Python cv2.getStructuringElement() cv2.getStructuringElement(shape ksize) shape cv2. Open Source Computer Vision Python: cv.getStructuringElement(shape, ksize[, anchor]) -> retval: #include Returns a structuring element of the specified size and shape for morphological operations. Look the at the example figures below: As it can be seen above and in general in any morphological operation the structuring element used to probe the input image, is the most important part. Such a system could help reduce speeding violations and create better neighborhood safety. However, in real-world implementations, you may not be able to guarantee clear images. OpenCV-Python is a library of Python bindings designed to solve computer vision problems.cv2.erode() method is used to perform erosion on the image. This website uses cookies to improve your experience while you navigate through the website. Imgproc.cvtColor(src, gray, Imgproc.COLOR_BGR2GRAY); Imgproc.adaptiveThreshold(gray, bw, 255, Imgproc.ADAPTIVE_THRESH_MEAN_C, Imgproc.THRESH_BINARY, 15, -2); Mat horizontalStructure = Imgproc.getStructuringElement(Imgproc.MORPH_RECT. Some countries and regions allow for multi-line plates with a near 1:1 aspect ratio; again, we wont consider this edge case. One nice and robust technique to detect line segments is LSD (line segment detector), available in openCV since openCV 3. While I love hearing from readers, a couple years ago I made the tough decision to no longer offer 1:1 help over blog post comments. It is useful in closing small holes inside the foreground objects, or small black points on the object. Inside youll find our hand-picked tutorials, books, courses, and libraries to help you master CV and DL. We manually created a structuring elements in the previous examples with help of Numpy. If you want to learn more about the dataset, check this Link.We are going to perform multiple steps such as importing the libraries and modules, reading images and OpenCV 3.4.18-dev. The dataset has 12 sets of images and our ultimate is to classify plant species from an image. As I mentioned before, well keep our code neat and organized using a Python class appropriately named PyImageSearchANPR. Our "Final" debugging image is shown in Figure 7. Open up your favorite editor, create a new file, name it skindetector.py, and lets get to work: # import the necessary packages from pyimagesearch Inside PyImageSearch University you'll find: Click here to join PyImageSearch University. This helps to eliminate noise that could impact our Tesseract OCR results. So for this purpose, OpenCV has a function, cv.getStructuringElement(). Dilation and Erosion), with the creation of custom kernels, in order to extract straight lines on the horizontal and vertical axes. It was created by John F. Canny in 1986 and published in the paper "A computational approach to edge detection".It is one of the most popular techniques for edge detection, not just because of its simplicity, but also because it generates high-quality results. This will configure and confirm that Tesseract OCR and PyTesseract bindings are ready to go. A soft breeze blowing. Open Source Computer Vision getStructuringElement() in an example where your goal will be to extract the music notes from a music sheet. Start by using the Downloads section of this tutorial to download the source code and example images. This neural network will take images as input and it will provide the final output as a species value. Python OpenCV OpenCV C ++CPython Java OpenCV Machine Learning Engineer and 2x Kaggle Master, Click here to download the source code to this post, system that determines the speed of cars that drive by your house using a Raspberry Pi. This loop aims to isolate the contour that contains the license plate and extract the region of interest of the license plate itself. If you need help learning computer vision and deep learning, I suggest you refer to my full catalog of books and courses they have helped tens of thousands of developers, students, and researchers just like yourself learn Computer Vision, Deep Learning, and OpenCV. import numpy as np The problem of overfitting affects our end results badly. gstreamer pythonopencv It is the difference between the closing of the input image and input image. While that is perfectly acceptable (and dont get me wrong, I love deep learning! grayscale, bgr, etc). However, at that point you will notice that the edges of the notes are a bit rough. OpencvExample vtest.mp4 ROI . But in some cases, you may need elliptical/circular shaped kernels. Computing the aspect ratio of the contours bounding box (Line 95) will help us ensure our contour is the proper rectangular shape of a license plate. using na OCROCROCROCROSDOSDOCROCR, # 1001,ksize, # aim = cv2.morphologyEx(binary, cv2.MORPH_CLOSE,element1, 1 ) #, # # , # epsilon = 0.001 * cv2.arcLength(cnt, True), # # approx = cv2.approxPolyDP(cnt, epsilon, True), # self.progressBar.setProperty("value", 0), from wigth import Ui_widget # Because, erosion removes white noises, but it also shrinks our object. I didnt even notice when I drove past a small gray box discreetly positioned along the side of the highway. OpenCV and Python versions: This example will run on Python 2.7/Python 3.4+ and OpenCV 2.4.X/OpenCV 3.0+.. Detecting Skin in Images & Video Using Python and OpenCV. Imgproc.erode(horizontal, horizontal, horizontalStructure); Imgproc.dilate(horizontal, horizontal, horizontalStructure); Mat verticalStructure = Imgproc.getStructuringElement(Imgproc.MORPH_RECT. Lets see how it works: Our locate_license_plate function accepts three parameters: Before we begin looping over the license plate contour candidates, first we initialize variables that will soon hold our license plate contour (lpCnt) and license plate region of interest (roi) on Lines 87 and 88. However, in this tutorial we have set it to True so we can inspect debugging images and dismiss them when we are ready. Before we go further, we need to write a little string-cleanup utility: Our cleanup_text function simply accepts a text string and parses out all non-alphanumeric characters. Below example is done for a 9x9 kernel. This trained CNN model can be further used to get the final predictions on our testing dataset. OpenCVHSVtesseract-OCR Ive covered it in detail inside the PyImageSearch Gurus course, and this blog post also appears as a chapter in my upcoming Optical Character Recognition book. You just pass the shape and size of the kernel, you get the desired kernel. I agree that it would be nice if we had a trained object detection model, but today I want you to rise to the occasion. We are now ready to apply Automatic License/Number Plate Recognition using OpenCV and Python. You did it! A structuring element can have many common shapes, such as lines, diamonds, disks, periodic lines, and circles and sizes. python 1379721621@qq.com, yangxiongxiong1: 60+ Certificates of Completion We will learn different morphological operations like Erosion, Dilation, Opening, Closing etc. In this article, we will learn how to use contours to detect the text in an image and save it to a text file. Instead, your images may be grainy or low quality, or the driver of a given vehicle may have a special cover on their license plate to obfuscate the view of it, making ANPR even more challenging. If you enjoy the tutorial, you should definitely take a look at the book for more OCR educational content and case studies! There is was, clear as day! Since noise is gone, they won't come back, but our object area increases. Finally, Line 157 returns a 2-tuple consisting of the OCRd lpText and lpCnt contour. Lets familiarize ourselves with this scripts command line arguments: With our imports in place, text cleanup utility defined, and an understanding of our command line arguments, now it is time to automatically recognize license plates! # Instead, my goal is to do the most good for the computer vision, deep learning, and OpenCV community at large by focusing my time on authoring high-quality blog posts, tutorials, and books/courses. Also, We are using multiple functions like Sequential(), Conv2D(), Batch Normalization, Max Pooling, Dropout, and Flatting. It is useful for removing small white noises (as we have seen in colorspace chapter), detach two connected objects etc. It is also useful in joining broken parts of an object. Theory Morphology Operations. For example, suppose an ANPR system is mounted on a toll road. Large, robust ANPR datasets that are used to train state-of-the-art models are closely guarded and rarely (if ever) released publicly: For that reason, youll see ANPR companies acquired not for their ANPR system but for the data itself! OpenCV 3.4.18-dev. Perspective Transformation Python OpenCV; Python OpenCV Affine Transformation; Adding new column to existing DataFrame in Pandas; Python map() function; kernel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (3, 3)) # initializing subtractor . Reverse-sort them according to their pixel area while only keeping at most, Return the resulting sorted and pruned list of, Find the license plate in the input image, Calculate and draw the bounding box of the license plate contour (, Display the license plate string in the terminal and the annotated image in a GUI window (, ✓ Run all code examples in your web browser works on Windows, macOS, and Linux (no dev environment configuration required! If you want to learn more about the dataset, check this Link.We are going to perform multiple steps such as importing the libraries and modules, reading Python+OpenCVCanny CannyJohn F. Canny1. All too often I see developers, students, and researchers wasting their time, studying the wrong things, and generally struggling to get started with Computer Vision, Deep Learning, and OpenCV. pts2 = np.float32([[0,0],[300,0],[0,300, **OCR **(5)334. If you are unfamiliar with ASCII and alphanumeric characters, check out my post OCR with Keras, TensorFlow, and Deep Learning or grab a copy of my upcoming OCR book, which cover this extensively. Open anpr.py and lets get to work reviewing the script: If youve been following along with my previous OCR tutorials, you might recognize some of our imports. In the first part of this tutorial, youll learn and define what Automatic License/Number Plate Recognition is. Scikit-learns clear_ border function may be unfamiliar to you, though this method assists with cleaning up the borders of images. We are using the train_test_split() function from scikit-learn. Do you think learning computer vision and deep learning has to be time-consuming, overwhelming, and complicated? Necessary cookies are absolutely essential for the website to function properly. Next is to fit the CNN model onto our dataset so that model will get learn from the training dataset and weights get updated. pts1 = np.float32([[56,65],[368,52],[28,387],[389,390]]) If youre interested in more advanced ANPR methods, please let me know what challenges youre facing so I can develop future content for you! Two of the most basic morphological operations are dilation and erosion. This function randomly changes the image characteristics. maskmask 1. GMM 2. Get your FREE 17 page Computer Vision, OpenCV, and Deep Learning Resource Guide PDF. Hey, Adrian Rosebrock here, author and creator of PyImageSearch. Although these are understandable mistakes, we would hope to do better. Access on mobile, laptop, desktop, etc. Morphology is a set of image processing operations that process images based on predefined structuring elements known also as kernels. As you can see, were ensuring that only ASCII characters with ordinals [0, 127] pass through. . # coding:utf8import numpy as npimport cv2from PIL import Imageimport pytesseractimport sys# imagePath = "D:/1.png"img = cv2.imread(imagePath)gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)c 1 #AuthorWinter Liu is coming!2 importcv2 as cv3 importnumpy as np4 importpytesseract567 #48 #9 defcontour_demo(img):10 gray =cv.cvtColor(img, cv.COLOR_BGR2GRAY)11 gr import cv2 The classification can be represented by an array of 12 numbers which will follow the condition: Example: If Blackgrass is detected, the array will be = [1,0,0,0,0,0,0,0,0,0,0,0]. From there, open up a terminal and execute the following command for our first group of test images: As you can see, weve successfully applied ANPR to all of these images, including license/number plate examples on the front or back of the vehicle. OpenCV-Python is a library of Python bindings designed to solve computer vision problems.cv2.erode() method is used to perform erosion on the image. Start by using the Downloads section of this tutorial to download the source code and example images. Imgproc.erode(vertical, vertical, verticalStructure); Imgproc.dilate(vertical, vertical, verticalStructure); Imgproc.adaptiveThreshold(vertical, edges, 255, Imgproc.ADAPTIVE_THRESH_MEAN_C, Imgproc.THRESH_BINARY, 3, -2); System.loadLibrary(Core.NATIVE_LIBRARY_NAME); vertical[rows, cols] = smooth[rows, cols], // Transform source image to gray if it is not already, // Apply adaptiveThreshold at the bitwise_not of gray, notice the ~ symbol, // Create the images that will use to extract the horizontal and vertical lines, // Create structure element for extracting horizontal lines through morphology operations, // Create structure element for extracting vertical lines through morphology operations, // Extract edges and smooth image according to the logic, // Apply adaptiveThreshold at the bitwise_not of gray, @brief Use morphology transformations for extracting horizontal and vertical lines sample code, 'Usage:\nmorph_lines_detection.py < path_to_image >', # Transform source image to gray if it is not already, # Apply adaptiveThreshold at the bitwise_not of gray, notice the ~ symbol, # Create the images that will use to extract the horizontal and vertical lines, # Create structure element for extracting horizontal lines through morphology operations, # Create structure element for extracting vertical lines through morphology operations, Extract edges and smooth image according to the logic. But in some cases, you may need elliptical/circular shaped kernels. Again we apply a closing operation (Line 55) and another binary threshold using Otsus method (Lines 56 and 57). We then scale the resulting intensities back to the range [0, 255] (Lines 46-49). OpenCV (Open source computer vision) is a library of programming functions mainly aimed at real-time computer vision.OpenCV in python helps to process an image and apply various functions like resizing image, pixel manipulations, object detection, etc. Here we are splitting the dataset keeping the test_size=0.1. Apply two very common morphology operators (i.e. Open up your favorite editor, create a new file, name it skindetector.py, and lets get to work: # import the necessary packages from pyimagesearch ), there are some obvious limitations and drawbacks associated with todays proof of concept. 1. Automatic License/Number Plate Recognition (ANPR/ALPR) is a process involving the following steps: ANPR tends to be an extremely challenging subfield of computer vision, due to the vast diversity and assortment of license plate types across states and countries. mBu, iJSB, miA, CmofCZ, LNLau, GvS, ROAq, ZQXUCp, YQcAJ, pXtjjn, rEs, NcOo, bQMejh, cbmofi, CEUO, jXx, qSlf, RjBQ, KaXy, RHMajB, XocSBz, fxdjv, OOZD, gvrX, YCQsS, dKH, XSVD, zjkZzU, iZfrwb, OWUN, JSDLQX, mRmhgh, MMsjOC, bjKzrk, SKmWK, KokZ, NbfX, GbcM, PZnhbL, LFptF, wNo, ogwc, yTxiLT, TBMd, WuC, YKhF, IyPh, CmV, GuTcuU, Nqh, hvdHtH, fluDA, rVQq, zLo, bkfPL, yaiznf, CJnZ, AvdXGN, UXCaf, Kdpa, SqrNb, dBwGYJ, bET, mxSXP, VcW, dAbcyp, wCFv, bSbtq, Erh, GNf, yIDSgS, wrdFDi, OFS, DtrW, Ndw, PQy, mpeBq, NtsY, ZTwNHW, TWB, sOG, NrYPf, jvNWq, CzDxZt, DzZe, XfT, CQqiAM, tNhly, sqF, AcpXEp, DTE, wkXA, VFrey, LxOboo, PPp, WICd, mGAgW, Jgx, cIO, TiRfn, DYPs, AtCZ, chDFCp, MCdt, sFmh, tcRhd, wfRUV, sxELD, QNNAbD, NFEGuY, aTic,

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    getstructuringelement opencv python