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Home Backend Development Golang Gosseract is not running

Gosseract is not running

Feb 09, 2024 am 09:09 AM

Gosseract 未运行

php小编西瓜推荐的光学字符识别(OCR)工具Gosseract,是一款功能强大的开源OCR库。它基于Tesseract引擎,能够识别多种语言的文字,并提供了简单易用的接口。然而,有些用户在使用Gosseract时可能会遇到"未运行"的问题。本文将为大家详细解答这个问题,并给出解决方案,帮助大家顺利运行Gosseract工具,实现高效的OCR文字识别。

问题内容

# github.com/otiai10/gosseract/v2 tessbridge.cpp:5:10:致命错误:leptonica/allheaders.h:没有这样的文件或目录 5 | #include | ^~~~~~~~~~~~~~~~~~~~~~~~~ 编译终止。

下面是我写的代码

它给出了一个错误。我重新安装了 tesseract-i,它仍然给出相同的错误

package main

import (
    "fmt"

    "github.com/otiai10/gosseract/v2"
)

func main() {

    client := gosseract.NewClient()

    defer client.Close()

    client.SetImage("C:\\Users\\labusers\\Downloads\\khan.png")

    text, _ := client.Text()
    fmt.Println(text)

}
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解决方法

安装 tesseract 可能很棘手。以下 dockerfile 有效:

FROM golang:1.14.9

RUN cat /etc/os-release
# Output: Debian GNU/Linux 10 (buster)
RUN apt-get -qy update

RUN apt-get install -qy libleptonica-dev libtesseract-dev
RUN apt-get install -qy libtool m4 automake cmake pkg-config
RUN apt-get install -qy libicu-dev libpango1.0-dev libcairo-dev

RUN cd /opt && git clone https://github.com/tesseract-ocr/tesseract
WORKDIR /opt/tesseract
RUN git reset --hard 4.1.1
RUN ./autogen.sh &&\
    ./configure --enable-debug LDFLAGS="-L/usr/local/lib" CFLAGS="-I/usr/local/include"
RUN make -j 8
RUN make install && ldconfig
RUN tesseract --version

ENV TESSDATA_PREFIX=/usr/local/share/tessdata
ENV TESSDATA_REPO=https://github.com/tesseract-ocr/tessdata_best
WORKDIR ${TESSDATA_PREFIX}
RUN wget -q ${TESSDATA_REPO}/raw/4.1.0/eng.traineddata
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dockerfile 从源代码构建 tesseract,以便您可以选择 tesseract 版本。这个dockerfile是我2年前使用gosseract库时写的。

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