tesseract

问题 I'm using Serak Tesseract Trainer for Tesseract 3.0x. I added a Train Image, which then came from jTessBoxEditor (a Box Generator). When I pressed Train Tesseract, a DOS command prompts me, it's like training the image, then suddenly this appeared: Reading dos.bookmanoldstyle.exp0.tr ... Font id = -1/0, class id = 1/42 on sample 0 font_id >= 0 && font_id < font_id_map_.SparseSize():Error:Assert failed:in file ....\classify\trainingsampleset.cpp, line 622 then a dialog box appeared that tells

问题 Trying OCR on pdf in r and it is giving me the error. After running the code the "i.txt" file is also been generated, but still the error is getting. pdftoppm version 4.00 Copyright 1996-2017 Glyph & Cog, LLC Usage: pdftoppm [options] <PDF-file> <PPM-root> -f <int> : first page to print -l <int> : last page to print -r <number> : resolution, in DPI (default is 150) -mono : generate a monochrome PBM file -gray : generate a grayscale PGM file -freetype <string>: enable FreeType font rasterizer:

问题 I'm using Tess4j 2.0.0 in oracle-glassfish3.1.1, Exception is: java.lang.NoSuchFieldError: RESOURCE_PREFIX at net.sourceforge.tess4j.util.LoadLibs.(LoadLibs.java:60) at net.sourceforge.tess4j.TessAPI.(TessAPI.java:40) at net.sourceforge.tess4j.Tesseract.init(Tesseract.java:360) at net.sourceforge.tess4j.Tesseract.doOCR(Tesseract.java:273) at net.sourceforge.tess4j.Tesseract.doOCR(Tesseract.java:256) at net.sourceforge.tess4j.Tesseract.doOCR(Tesseract.java:237) at net.sourceforge.tess4j

问题 I followed the step by step guide found here: https://www.codeproject.com/Articles/840623/Android-Character-Recognition At step 2 when I added tess-two as module dependency to app and synced gradle, it failed with the following error: Error:Project :app declares a dependency from configuration 'compile' to configuration 'default' which is not declared in the descriptor for project :libraries:tess-two. I have tried many combinations of settings.gradle and searched for hours, any help will be

问题 I am using tesseract as the OCR engine for my ANPR application. I have trained tesseract 3.01v with the numberplate font. But I need to know: Which files should be included in the tessdata folder? Should I use the same tessdata folder where tesseract 3.01v is installed? I have trained with tesseract 3.01v and I am using tessnet2 in my code so will it be a problem? Following is the code that I tried it with but it keeps exiting from the DoOcr() method. List<tessnet2.Word> ocrText = new List

问题 I'm currently writing a script in python that requires the use of tesseract to read a number like this: Using digits only and -psm 6 (or 7) it outputs 5.551 I have had some success with other numbers (5.700 works) but this particular number is giving me a ton of problems. Unfortunately i need a high degree of accuracy for my program but i thought tesseract would be able to decipher such a simple string. I have also tried to use GOCR and that correctly read 6.881 (yay!) but gave the output 5.

问题 I need a pre-built (i.e. already trained) OCR library that recognizes easy characters (standard fonts like Arial, Times New Roman, Courier, etc). Does Matlab have anything like that in one of its toolboxes? Or do I have to use an external program like Tesseract (and interface using system calls)? 回答1: I'm not familiar with an official MATLAB OCR toolbox. However, you can find all sorts of gems in the MATLAB File Exchange, like this OCR tool. It's pretty neat. 回答2: In MATLAB R2014a there's a

问题 I will describe my situation more in detail. I am building a system for the recognition of license plates, using C + + ,OpenCV ,Tesserect , but when I compile the code it is returned to me a stack of errors ambiguous references, so I inspected all lines of my code . I searched this group for solutions and have tried several without success. Problems: error C2872 : ' Remove_Reference ' : ambiguous symbol File: tesscallback.h Line : 1011 error C2872 : ' Remove_Reference ' : ambiguous symbol

问题 New to JS and very new to Node. Running Tesseract.js (text recognition software: http://tesseract.projectnaptha.com) in Safari takes about 10 sec and begins outputting progress immediately. Node (v6.9.1)(run from terminal or through Electron) runs CPU to 100% for 4min 20sec before it begins outputting to console. It then finishes in about the same time. What troubleshooting steps are recommended? Is this common for Node? Only difference I see in logs is Safari "found in cache eng.traineddata"

问题 So I am trying to figure out how to use TessBase, and I get an error at baseApi.init(dataPath, "eng") . The error I get is : directory must contain tessdata . I can't figure out how to get the directory that contains tessdata. This is an image of the directory that contains eng.traineddata. This is my code: Bundle extras = data.getExtras(); Bitmap photoBitmap = (Bitmap) extras.get("data"); TessBaseAPI baseApi = new TessBaseAPI(); //textcaptured.setText(DATA_PATH.toString());/* String dataPath