opencv image recognition

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Python2.7 using tesseract for image recognition in Chinese and English

(IMG, lang='Chi_sim')Print(text)Finally, look for a PNG picture and put it in the same directory as this file.Several pits:: From. Import VERSION, pillow_version, _plugins ueerror:attempted relativeDon't know what the ghost, then directly to the C:\Python27\Lib\site-packages\PIL to delete the re-install the libraryPytesseract.pytesseract.TesseractError: (1, U ' Error opening data file D:\\programfiles\\tesseract\\tesseract-ocr/chi _sim.traineddata ')You need to place chi_sim.traineddata under t

SVM: Using SVM algorithm to realize handwritten image recognition (data set 50000 pictures)-jason Niu

ImportMnist_loader#Third-party Libraries fromSklearnImportSVMdefsvm_baseline (): Training_data, Validation_data, Test_data=Mnist_loader.load_data ()#TrainCLF =SVM. SVC () Clf.fit (training_data[0], training_data[1]) Predictions= [Int (a) forAinchclf.predict (test_data[0]) Num_correct= SUM (int (a = = y) forA, YinchZip (predictions, test_data[1])) Print("Baseline classifier using an SVM.") Print("%s of%s values correct."% (Num_correct, Len (test_data[1])))if __name__=="__main__": Svm_baseli

Python Image Recognition Error 2

Windowserror happened.Message=[error 2]StackTrace:The c:\python27amd64\lib\subprocess.py:640 in Popen._execute_childThe c:\python27amd64\lib\subprocess.py:390 in popen.__init__The c:\python27amd64\lib\site-packages\pytesseract\pytesseract.py:47 in Run_tesseractThe c:\python27amd64\lib\site-packages\pytesseract\pytesseract.py:123 in image_to_stringThe C:\users\yu-we\desktop\projects\toolssuite\pythondatacatcher\imageidentification.py:9 in GETIMAGEDATE.MDownload the configuration path by tutorialP

Python image processing (1): Replace OpenCV

Happy Shrimphttp://blog.csdn.net/lights_joy/(QQ group: Visual embedlinux Tools 375515651)Welcome reprint, but please keep the author informationwhen the image processing development environment was previously constructed, an installation package that was compiled by someone else wouldOpenCVinstalled in thec:\python27\lib\site-packagesdirectory, but thisOpenCVno symbol table, cannot beC + +debugging of the code. We useVScompiled byOpenCVreplace it. fi

OpenCV Geometric transformations-image mirroring

Image mirroring is one of the basic geometric transformations of the image, it is also very simple to implement, first paste the source code: #include The image mirroring function mainly uses the remap () function in OpenCV, which is prototyped as follows: Cv_exports_w void Remap ( inputarray src, outputarray DST

Implement the recognition of Verification Code image text (C # Call DLL)

Please download the http://asprise.com/product/ocr/index.php first? The lang = csharp SDK provides detailed OCR methods, as follows:The Text in the image frame picbveryfycodeis the same as the Text in the image frame .txt VeryfyCode. Text.The digital recognition rate I encountered was almost 100%.Http://blog.csdn.net/crabo/[DllImport ("AspriseOCR. dll")] static e

C # Call DLL for image text recognition (OCR)

Please download the http://asprise.com/product/ocr/index.php first? The lang = csharp sdk provides detailed OCR methods, as follows: The text in the image frame picbveryfycodeis the same as the text in the image frame .txt veryfycode. Text. The digital recognition rate I encountered was almost 100%. Http://blog.csdn.net/crabo/ [Dllimport ("aspriseocr. dll")]S

Very Deep convolutional Networks for large-scale Image recognition

Very Deep convolutional Networks for large-scale Image Recognitionkaren Simonyan, Andrew ZissermanIn this work we investigate the effect of the convolutional network depth on its accuracy in the large-scale image Recogni tion setting. Our main contribution are a thorough evaluation of networks of increasing depth, which shows that a significant improvement On the Prior-art configurations can is achieved by

PYTHON-OPENCV image binary, Adaptive threshold processing

, and the grayscale value of the pixel is less than the threshold value, and its grayscale value is all changed to 0.PYTHON+OPENCV Code:Import Cv2import NumPy asNP fromMatplotlib Import Pyplot aspltimg= Cv2.imread ('1.bmp') Grayimage=Cv2.cvtcolor (Img,cv2. Color_bgr2gray) # median filter grayimage= Cv2.medianblur (Grayimage,5) Ret,th1= Cv2.threshold (Grayimage,127,255, Cv2. thresh_binary) #3for block size, 5 is the param1 value Th2= Cv2.adaptivethresh

Opencv-python (9)--Image smoothing and filtering

bilateral filter code is as follows:#encoding: Utf-8Import NumPy as Npimport cv2image = Cv2. Imread("H:\\img\\lena.jpg") Cv2. Imshow("Original", image) Cv2. Waitkey(0)#双边滤波Blurred = NP. Hstack([Cv2. Bilateralfilter(Image,5, +, +), Cv2. Bilateralfilter(Image,7, to, to), Cv2. Bilateralfilter(Image,9, A, A)]) Cv2. Imshow

Image rotation based on OPENCV and C + + underlying implementations

The rotation of the picture is essentially the position of the original image for each pixel in the rotated picture. And then copy it over.(In other words, if the position calculated in the original image is not an integer but a decimal, because the number of pixels is an integer, a decimal-to-integer conversion is required.) This conversion process is fastidious and requires interpolation: nearest neighbor

Python,opencv,imread,imwrite, storing, reading image pixels inconsistent, this case is label using JPG format

Recently in the image segmentation, you need to use some of the label to split the picture, but found that the stored partition label feel is smoothed, even when using= Cv2.imread (info[' path '), Cv2. imread_unchanged) Also has no effect, the later found that the partition of the label format is stored in PNG format can be, guess (no deep correction) is JPG compression what caused.Python,opencv,imread,imwr

OpenCV Open the camera but can't capture the image solution

Write OpenCV program, turn on the camera, behold the program error on the book, can open the camera, but can't capture the image I tried it with my brother's computer, it worked, no problem. On the internet for a long time, tried a lot of methods, no use, and later in a Baidu know to find a way to success http://zhidao.baidu.com/link?url=8I5s8NuD3uID9-8oAYb2uFf-thH6j-i940Tgil9XPpYqwB7olGEEsKg3I3Jm4pPdTnVz1q

OpenCV Learning 02--image reading and output under Python

  OPENCV provides a number of functions for image manipulation, the most basic of which is the reading and output of the picture.First, read the pictureUsing OpenCV to read a picture is very easy, just need to use the imread () function, we enter Ipython, enter Help (Cv2.imread) Get the document of the function, get:Imread (...) Imread (filename[, Flags]), retval

Image pyramid and Its Application in opencv (I)

Preface Image pyramid is a very important concept in computer graphics. This article will introduce this concept in detail and its implementation and application. Definition of image pyramid An image pyramid is a collection of images. All images in a set are a sequence of images obtained by downsampling a specific image

Learn Python image recognition

Reference: http://www.cnblogs.com/TTyb/p/5996847.html1, PIP3 install PYOCR2, PIP3 install pillow or easy_install pillow3, Installation tesseract-ocr:http://jaist.dl.sourceforge.net/project/tesseract-ocr-alt/ Tesseract-ocr-setup-3.02.02.exe, installed under C:\Program files\4. Python is required to be installed on C drive by default5. Find tesseract.py Change tesseract_cmd = ' C:/Program files/tesseract-ocr/tesseract.exe '# -*-coding:utf-8-*- from Import tesseract from Import = Image.open ('te

Python calls TESSERACT-OCR complete image OCR recognition

[Hardware Environment]WIN10 64-bit[Software Environment]Python version: 2.7.3Python Library:1.1) Pillow1.2) PytesseractOther:1.1) TESSERACT-OCR executable file[Construction process]TESSERACT-OCR:1. Install the TESSERACT-OCR executable file2. Installing the Pillow Library3. Installing the Pytesseract Library[Related code]#1.Install Tesseract-ocr*.exe from http://jaist.dl.sourceforge.net/project/tesseract-ocr-alt/ Tesseract-ocr-setup-3.02.02.exe#2.Install Pillow as "pip Install form *.WHL"#3.Insta

Java two-valued image recognition connected domain

; - for(inti = 0; i ) { - for(intj = 0; J ) { - if(A[i][j] = = 1) { -result++; -Erase (A, I, j,result+1); in } - } to } + - //Statistical Values the intArrsum[] =New int[Result+2]; * //Read Matrix $ for(inti = 0; i ) {Panax Notoginseng for(intj = 0; J ) { - if(a[i][j]!=0) theArrsum[a[i][j]]+=1; +System.out.print (a[i][j]+ ""); A } the System.out

Java fingerprint identification and Google image recognition technology source _java

This example for you to share the Java fingerprint identification and image recognition source code for your reference, the specific contents are as follows Main class: Import Java.awt.image.BufferedImage; Import java.util.ArrayList; Import java.util.List; public class Similarimagesearch {/** * @param args */public static void main (string[] args) {List Tool class: Import Java.awt.AlphaCom

OPENCV implementation of hash value method for image similarity calculation

grayscale of each pixel to the average, greater than or equal to the average of 1, and less than the average to 0;5. Calculate the hash value: Combining the results of the previous step, together, constitutes a 64-bit integer, which is the fingerprint of this image. The order of the combinations is not important, just ensure that all images are in the same order;6. After getting the fingerprint, you can compare different images and see how many of th

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