I need the rgb to yuv script, but it doesn't work.

[bemoregt]

I want to run with my own image datas.

So, I need the rgb to yuv script,

But your script doesn't work.

What's wrong in my trial?

/Users/sgi/work_torch/distro-cl/install/bin/luajit: bad argument #2 to '?' (out of range at /Users/sgi/work_torch/distro-cl/pkg/torch/generic/Tensor.c:888)
stack traceback:
[C]: at 0x0bf968f0
[C]: in function '__index'
data.lua:148: in main chunk
[C]: in function 'dofile'
.../distro-cl/install/lib/luarocks/rocks/trepl/scm-1/bin/th:145: in main chunk
[C]: at 0x010bc4ece0