VB6.0 by use call camera, a camera recognition scan qr code information, the information stored in TXT

CodePudding user response:

In simple terms, use camera take pictures quickly, and then quickly analyze photographed each photo, whether to have the characteristics of the qr code, so begin to decode,
Complex, you want to use qr code to parse and generate rules to do image analysis,,,, some do, seems to have no ready-made

CodePudding user response:

CodePudding user response:

But you just put "camera to obtain images (photos)" problem up to say again, this step is make uncertain, everything is talking...


To obtain images from camera,
This I only know that there was a man called "CBM666" (also may be CMB666, can't remember) experienced (camera/license plate recognition),
He didn't came to this BBS for many years, used to be a baidu VB! Lord, now seems rarely in VB,
He also called the baidu account, don't think you can contact,
Even when you are in touch with, also don't rule out the possibility of for a fee,

Better yourself first to check the related information,

CodePudding user response:

I can call camera now

CodePudding user response:

Reference OpenCV source code from the camera to obtain images related fragments,
Read the qr code from picture reference or call ZXing,

CodePudding user response:

reference 5 floor zhao4zhong1 reply:

reference OpenCV source code from the camera to obtain images related fragments,
Read the qr code from picture reference or invoke ZXing,

VB how to invoke ZXING?

CodePudding user response:

refer to 6th floor daqingtianbuchifan response:

Quote: refer to the fifth floor zhao4zhong1 reply:

Reference OpenCV source code from the camera to obtain images related fragments,
Read the qr code from picture reference or invoke ZXing,

VB how to invoke ZXING?

In the words of miss zhao: include a Java platform, put zxing, using zxing recognition directly, and then the identification results wrote a TXT file, you have files are generated VB is detected, you will read the file content,

CodePudding user response:

refer to 7th floor bakw response:

Quote: refer to the sixth floor daqingtianbuchifan response:

Quote: refer to the fifth floor zhao4zhong1 reply:

Reference OpenCV source code from the camera to obtain images related fragments,
Read the qr code from picture reference or invoke ZXing,

VB how to invoke ZXING?

In the words of miss zhao: include a Java platform, put zxing, using zxing recognition directly, and then the identification results wrote a TXT file, you have files are generated VB is detected, you will read the file content,

but also!

Don't be A language code is modified to B language code busywork,
Also don't use A language code to directly invoke B language code base, this complicated things so easy to get wrong,
Just make A, B language code of input and output is redirected to A text file, or modify A, B language code let it through text file input and output,
Can easily make A, B coordination between the two languages,
For example:
A will request data written to A file a.t xt, renamed after finish aa. TXT
B find aa. TXT, read its contents, call the corresponding function, and writes the results file b.t xt, after finish delete aa. TXT, changed its name to bb. TXT
Found A bb. TXT, read the content, after finish delete bb. TXT
Above can be replaced by any kind of A language or development environment, B can be replaced by any kind of with the development of A different language or development environment,
Unless A or B does not support to determine whether A file exists, file read and write and file name,
But who can name does not support to determine whether a file exists, file read and write and file name for the development of language or development environment?
Can put the temporary files on the RamDisk efficiency decrease wear disk,
Data structure is very complex, a text file format problems refer to a json or XML

The communication methods between the temporary text file sharing this process there are plenty of advantages, compared to other method only listed below I can think of now:
Loose coupling between process,
Can be on the same machine, process, also can cross machine, across the operating system, hardware platform, and even multinational,
, convenient debugging, and monitoring, only let the third party or artificial view the temporary text files,
Switch, convenient online service, need to delete or create the temporary text files,
, is convenient to realize distributed and load balancing,
Services to provide convenient, queue, queue is full and it is almost impossible to happen (unless the hard disk space full)
DE...

"Across different languages, machine, across the operating system, hardware platform, multinational, cross *. *" misery,
Back is "the use of Shared a plain text file information communication" of the shore!

CodePudding user response:

refer to 7th floor bakw response:

Quote: refer to the sixth floor daqingtianbuchifan response:

Quote: refer to the fifth floor zhao4zhong1 reply:

Reference OpenCV source code from the camera to obtain images related fragments,
Read the qr code from picture reference or invoke ZXing,

VB how to invoke ZXING?

In the words of miss zhao: include a Java platform, put zxing, using zxing recognition directly, and then the identification results wrote a TXT file, you have files are generated VB is detected, you will read the file content,

Admire this kind of so-called shameless retarded things, others use VB to this thing still need to go to learn JAVA. Really stupid.

CodePudding user response:

references 9 f aspower_ response:

Quote: refer to 7th floor bakw response:

Quote: refer to the sixth floor daqingtianbuchifan response:

Quote: refer to the fifth floor zhao4zhong1 reply:

Reference OpenCV source code from the camera to obtain images related fragments,
Read the qr code from picture reference or invoke ZXing,

VB how to invoke ZXING?

In the words of miss zhao: include a Java platform, put zxing, using zxing recognition directly, and then the identification results wrote a TXT file, you have files are generated VB is detected, you will read the file content,

Admire this kind of so-called shameless retarded things, others use VB to it still have to learn JAVA. So weak-minded.

Have you ever read ZXing source code?

CodePudding user response:

references to the tenth floor zhao4zhong1 response:

Quote: references 9 f aspower_ response:

Quote: refer to 7th floor bakw response:

Quote: refer to the sixth floor daqingtianbuchifan response:

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