Hervé Bitteur

@Avengoner What is not clear for me is how you processed the percussion staves. Did you explicitly set the corresponding switch in book parameters? I'm afraid not, because otherwise you...

Still, I don't understand why you came up with treble clefs in the output. At this point, I need your input image so that I can reproduce the problem.

I just processed your input image. The left side of every staff is not correctly detected. I have to investigate why. I think the root cause is the lack of...

OK, this was indeed the initial problem. To allow a correct detection of staves of your input image, an easy workaround is as follows: Use the `Tools -> Options` pull-down...

@arnwas Have you read this [handbook section](https://audiveris.github.io/audiveris/_pages/install/languages/) on OCR languages? I'm not a Linux expert at all, but my understanding of using apt-get is that it will install the tesseract...

It fails for not being able to initialize the Tesseract library with the provided arguments (typically the desired legacy mode and the desired languages). That'all it says. The tesseract library...

Indeed! For Audiveris, Tesseract is an external library. And Tesseract documentation says about the `TessbaseAPI.Init(String datapath, String language)` method: ```java /** * Instances are now mostly thread-safe and totally independent,...

@olin256 Thanks for this information. I didn't know we could explicitly declare a support for such basic entities. Where could we find an exhaustive list of the elements that can...

This error message is displayed when Tesseract library cannot be initialized from Audiveris. This may be related to the requested languages vs the available ones. But, I have two remarks:...

I'm glad you could finally solve this problem. Indeed, setting the `TESSDATA_PREFIX` is not mandatory. If you are interested, you can see the source code of the [TesseractOCR](https://github.com/Audiveris/audiveris/blob/master/src/main/org/audiveris/omr/text/tesseract/TesseractOCR.java) Java class....