ffmpeg | branch: master | Sergey Lavrushkin <dual...@gmail.com> | Wed Aug 15 19:35:09 2018 +0300| [4f8e65c45884d91ac300caac37b55c8ca504288b] | committer: Gyan Doshi
doc/filters: Add entry for sr filter. Signed-off-by: Gyan Doshi <ffm...@gyani.pro> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4f8e65c45884d91ac300caac37b55c8ca504288b --- doc/filters.texi | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) diff --git a/doc/filters.texi b/doc/filters.texi index 267bd04a43..32c95b591c 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -15403,6 +15403,65 @@ option may cause flicker since the B-Frames have often larger QP. Default is @code{0} (not enabled). @end table +@section sr + +Scale the input by applying one of the super-resolution methods based on +convolutional neural networks. + +Training scripts as well as scripts for model generation are provided in +the repository at @url{https://github.com/HighVoltageRocknRoll/sr.git}. + +The filter accepts the following options: + +@table @option +@item model +Specify which super-resolution model to use. This option accepts the following values: + +@table @samp +@item srcnn +Super-Resolution Convolutional Neural Network model. +See @url{https://arxiv.org/abs/1501.00092}. + +@item espcn +Efficient Sub-Pixel Convolutional Neural Network model. +See @url{https://arxiv.org/abs/1609.05158}. + +@end table + +Default value is @samp{srcnn}. + +@item dnn_backend +Specify which DNN backend to use for model loading and execution. This option accepts +the following values: + +@table @samp +@item native +Native implementation of DNN loading and execution. + +@item tensorflow +TensorFlow backend. To enable this backend you +need to install the TensorFlow for C library (see +@url{https://www.tensorflow.org/install/install_c}) and configure FFmpeg with +@code{--enable-libtensorflow} + +@end table + +Default value is @samp{native}. + +@item scale_factor +Set scale factor for SRCNN model, for which custom model file was provided. +Allowed values are @code{2}, @code{3} and @code{4}. Default value is @code{2}. +Scale factor is necessary for SRCNN model, because it accepts input upscaled +using bicubic upscaling with proper scale factor. + +@item model_filename +Set path to model file specifying network architecture and its parameters. +Note that different backends use different file formats. TensorFlow backend +can load files for both formats, while native backend can load files for only +its format. + +@end table + @anchor{subtitles} @section subtitles _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
