[FFmpeg-devel] DNN data layout CHW or HWC and data normalization or denormalization?

[Alex]

Do anyone know fastest way to divide the chw array of pixel data for frame?

1 January 2022, 04:48:03, by "Guo, Yejun" <yejun.guo-at-intel.com at ffmpeg.org>:

-----Original Message-----
From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of Alex
Sent: 2022年1月1日 3:16
To: FFmpeg development discussions and patches <ffmpeg-devel at ffmpeg.org>
Subject: [FFmpeg-devel] DNN data layout CHW or HWC and data normalization or denormalization?

Hi!
Can any one tell me is it layout of DNNData->data are chw or hwc or nchw or nhwc?
And how to perform convertion from hwc to chw and reverse?
How to normalize and denormalize data (-1..0..1 <=> 0...255) ?

Just NHWC is supported now, and patches are welcome.
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