config="--psm 10

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Tesseract-OCR.rar

Note that this is a text-only and possibly out-of-date version of the wiki ReadMe, which is located at: http://code.google.com/p/tesseract-ocr/wiki/ReadMe Introduction ============ This package contains the Tesseract Open Source OCR Engine. Originally developed at Hewlett Packard Laboratories Bristol and at Hewlett Packard Co, Greeley Colorado, all the code in this distribution is now licensed under the Apache License: ** Licensed under the Apache License, Version 2.0 (the "License"); ** you may not use this file except in compliance with the License. ** You may obtain a copy of the License at ** http://www.apache.org/licenses/LICENSE-2.0 ** Unless required by applicable law or agreed to in writing, software ** distributed under the License is distributed on an "AS IS" BASIS, ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. ** See the License for the specific language governing permissions and ** limitations under the License. Dependencies and Licenses ========================= Leptonica is required. (www.leptonica.com). Tesseract no longer compiles without Leptonica. Libtiff is no longer required as a direct dependency. Installing and Running Tesseract -------------------------------- All Users Do NOT Ignore! The tarballs are split into pieces. tesseract-x.xx.tar.gz contains all the source code. tesseract-x.xx.<lang>.tar.gz contains the language data files for <lang>. You need at least one of these or Tesseract will not work. Note that tesseract-x.xx.tar.gz unpacks to the tesseract-ocr directory. tesseract-x.xx.<lang>.tar.gz unpacks to the tessdata directory which belongs inside your tesseract-ocr directory. It is therefore best to download them into your tesseract-x.xx directory, so you can use unpack here or equivalent. You can unpack as many of the language packs as you care to, as they all contain different files. Note that if you are using make install you should unpack your language data to your source tree before you run make install. If you unpack them as root to the destination directory of make install, then the user ids and access permissions might be messed up. boxtiff-2.xx.<lang>.tar.gz contains data that was used in training for those that want to do their own training. Most users should NOT download these files. Instructions for using the training tools are documented separately at Tesseract wiki http://code.google.com/p/tesseract-ocr/w/list Windows ------- Please use installer (for 3.00 and above). Tesseract is library with command line interface. If you need GUI, please check AddOns wiki page http://code.google.com/p/tesseract-ocr/wiki/AddOns#GUI If you are building from the sources, the recommended build platform is VC++ Express 2008 (optionally 2010). The executables are built with static linking, so they stand more chance of working out of the box on more windows systems. The executable must reside in the same directory as the tessdata directory or you need to set up environment variable TESSDATA_PREFIX. Installer will set it up for you. The command line is: tesseract imagename outputbase [-l lang] [-psm pagesegmode] [configfiles...] If you need interface to other applications, please check wrapper section on AddOns wiki page: http://code.google.com/p/tesseract-ocr/wiki/AddOns#Tesseract_3.0x Non-Windows (or Cygwin) ----------------------- You have to tell Tesseract through a standard unix mechanism where to find its data directory. You must either: ./autogen.sh ./configure make make install sudo ldconfig to move the data files to the standard place, or: export TESSDATA_PREFIX="directory in which your tessdata resides/" In either case the command line is: tesseract imagename outputbase [-l lang] [-psm pagesegmode] [configfiles...] New there is a tesseract.spec for making rpms. (Thanks to Andrew Ziem for the help.) It might work with your OS if you know how to do that. If you are linking to the libraries, as Ocropus does, please link to libtesseract_api. History ======= The engine was developed at Hewlett Packard Laboratories Bristol and at Hewlett Packard Co, Greeley Colorado between 1985 and 1994, with some more changes made in 1996 to port to Windows, and some C++izing in 1998. A lot of the code was written in C, and then some more was written in C++. Since then all the code has been converted to at least compile with a C++ compiler. Currently it builds under Linux with gcc4.4.3 and under Windows with VC++2008. The C++ code makes heavy use of a list system using macros. This predates stl, was portable before stl, and is more efficient than stl lists, but has the big negative that if you do get a segmentation violation, it is hard to debug. The most recent change is that Tesseract can now recognize 39 languages, including Arabic, Hindi, Vietnamese, plus 3 Fraktur variants is fully UTF8 capable, and is fully trainable. See TrainingTesseract for more information on training. Tesseract was included in UNLV's Fo

config="--psm 10"是指在使用OCR（光学字符识别）技术时，设置了参数"--psm 10"。OCR是一种通过计算机软件将图像中的文字转换成可编辑的文本的技术。"--psm 10"是OCR引擎Tesseract的一个参数，用于指定页面布局分析的模式。 "--psm 10"表示使用单个字符模式。在这种模式下，OCR引擎将图像中的每个字符作为一个单独的实体进行识别，而不考虑字之间的关系。这种模式适用于字符之间有很大间隔或者字符之间无明显区分的情况，比如图片中的验证码或字母印刷。通过设置"--psm 10"，可以提高字符识别的准确性，减少识别错误的概率。但是需要注意的是，"--psm 10"并不一定适用于所有的OCR任务，具体的参数设置需要根据具体的应用场景和需求来确定。根据不同的布局特点和文字形式，可以选择不同的页面布局分析模式来优化OCR识别结果。总的来说，"--psm 10"是OCR技术中用来指定页面布局分析模式的参数，通过设置合适的模式，可以提高文字识别的准确性和效果。

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config="--psm 10

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