how can i slove this problems ''OnBarcode' is not recognized as an internal or external command, operable program or batch file. ' while running the program

vid = videoinput('winvideo', 1);
preview(vid);
img = getsnapshot(vid);
imshow(img)
str = sprintf('OnBarcode QR Code Scanner.exe %s', img);
system(str);

after executing this program how can i slove this proplem?

Answer 1

[Walter Roberson]

You need to have installed onbarcode, which appears to be from http://www.onbarcode.com/tech/608/6/

You probably also need to change

str = sprintf('OnBarcode QR Code Scanner.exe %s', img)

to

str = sprintf('"OnBarcode QR Code Scanner.exe" %s', img)

Answer 2

[xingxingcui]

https://www.mathworks.com/matlabcentral/answers/738582-readbarcode-cannot-detect-the-circular-qr-code?s_tid=srchtitle