Windows by default uses GB2312.

For old files, you can use iconv:

  iconv -f gb18030 -t utf-8 1.json > 1_utf8.json

https://github.com/wkentaro/labelme/issues/687

* Added a tool to adjust image brightness and contrast. Useful for dark images.

* Refactor brightness and contrast adjuster

* Fix syntax error in Python2
Co-authored-by: NKentaro Wada <www.kentaro.wada@gmail.com>

* Fix for flake8

* feature(app): open files by drag and drop

* refactor(app): ignore events without right ext.

Ignore dragged items that don't have allowed extension.
Make extension global variable to avoid repetition.
Fix line length.

* fix(app): fix flake8 errors

* Refactoring
Co-authored-by: NKentaro Wada <www.kentaro.wada@gmail.com>

should be installed to /usr/share/applications
so the gnome/kde menu systems have an icon (you'd also need to provide an icon, labelme.png (or .svg) and put it in /usr/share/icons)

When editing a label with an group ID and u delete it, labelme crashed:
Fixed error "TypeError: setData() takes no keyword arguments"
Deleting the keywords fixed this error

Since pillow version 7 works on Windows, there is no need to specifically
install version 4 any more, so take this instruction out of the readme.

On Windows, the `source` command produces an error:

    'source' is not recognized as an internal or external command,
    operable program or batch file.

So update the setup instructions to invoke the `conda` binary instead.