我在qr解码器Matlab代码中得到未定义的错误。 [英] I am getting undefined error in qr decoder Matlab code .
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问题描述
???未定义函数 或方法' BufferedImageLuminanceSource'用于类型的输入参数
' java.awt .image.BufferedImage'。
错误 ==> decode_qr at 55
source = BufferedImageLuminanceSource(jimg);
解决方案
< blockquote>你好,你必须从(https://repo1.maven.org/maven2/com/google/zxing/javase/3.3.0/和https://repo1.maven.org/maven2/下载3.3罐子COM /谷歌/斑马线/核心/ 3.3.0 /)。这些函数位于此matlab代码的不同文件夹中,因此您必须以这种方式更改导入:
对于编码功能:
import com.google.zxing.qrcode。*;
import com.google.zxing。*;
对于解码功能:
导入com.google .zxing.qrcode *。
import com.google.zxing.client.j2se。*;
import com.google.zxing。*;
import com.google.zxing.common。*;
import com.google.zxing.Result。*;
还有其他更改:
在函数编码M_java.height和M_java.width无效,而是使用M_java.getHeight(),M_java.getWidth()
特别感谢Ari Bejarano( Java的Master)和Andres Puerto开发此解决方案。
??? Undefined function or method 'BufferedImageLuminanceSource' for input arguments of type
'java.awt.image.BufferedImage'.
Error in ==> decode_qr at 55
source =BufferedImageLuminanceSource(jimg);
解决方案
Hello, you have to download the 3.3 jars from (https://repo1.maven.org/maven2/com/google/zxing/javase/3.3.0/ and https://repo1.maven.org/maven2/com/google/zxing/core/3.3.0/). These functions are inside differente folders for this matlab code, so you have to change the imports in this way:
For encode function:
import com.google.zxing.qrcode.*; import com.google.zxing.*;
For decode function:
import com.google.zxing.qrcode.*; import com.google.zxing.client.j2se.*; import com.google.zxing.*; import com.google.zxing.common.*; import com.google.zxing.Result.*;
There are another changes to do:
in function encode M_java.height and M_java.width are invalid, instead use M_java.getHeight(), M_java.getWidth()
Special thanks for Ari Bejarano (the Java's Master) and to Andres Puerto for developing this solution.
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