* [FFmpeg-devel] DNN data layout CHW or HWC and data normalization or denormalization?
@ 2021-12-31 19:16 Alex
2022-01-01 2:47 ` Guo, Yejun
0 siblings, 1 reply; 3+ messages in thread
From: Alex @ 2021-12-31 19:16 UTC (permalink / raw)
To: FFmpeg development discussions and patches
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) ?
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [FFmpeg-devel] DNN data layout CHW or HWC and data normalization or denormalization?
2021-12-31 19:16 [FFmpeg-devel] DNN data layout CHW or HWC and data normalization or denormalization? Alex
@ 2022-01-01 2:47 ` Guo, Yejun
2022-01-01 16:35 ` Alex
0 siblings, 1 reply; 3+ messages in thread
From: Guo, Yejun @ 2022-01-01 2:47 UTC (permalink / raw)
To: FFmpeg development discussions and patches
-----Original Message-----
From: ffmpeg-devel <ffmpeg-devel-bounces@ffmpeg.org> On Behalf Of Alex
Sent: 2022年1月1日 3:16
To: FFmpeg development discussions and patches <ffmpeg-devel@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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ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [FFmpeg-devel] DNN data layout CHW or HWC and data normalization or denormalization?
2022-01-01 2:47 ` Guo, Yejun
@ 2022-01-01 16:35 ` Alex
0 siblings, 0 replies; 3+ messages in thread
From: Alex @ 2022-01-01 16:35 UTC (permalink / raw)
To: FFmpeg development discussions and patches
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@ffmpeg.org>:
-----Original Message-----
From: ffmpeg-devel <ffmpeg-devel-bounces@ffmpeg.org> On Behalf Of Alex
Sent: 2022年1月1日 3:16
To: FFmpeg development discussions and patches <ffmpeg-devel@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.
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
_______________________________________________
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https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2022-01-01 16:35 UTC | newest]
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2021-12-31 19:16 [FFmpeg-devel] DNN data layout CHW or HWC and data normalization or denormalization? Alex
2022-01-01 2:47 ` Guo, Yejun
2022-01-01 16:35 ` Alex
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