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I came across an interesting project called [MV-Tractus](https://github.com/jishnujayakumar/MV-Tractus) and is based on extracting motion vectors from h264 encoded videos. The idea is that the MPEG co…
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I really appreciate your sharing your software, and the help you've given me in getting it running, but I'm still having trouble, I'm afraid.
I built mpegflow and it works fine with mpi_sintel_fina…
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It would be interesting to explore some more analysis, including:
- motion energy, motion smoothness, motion entropy (as described [here](https://www.sciencedirect.com/science/article/pii/S00100277…
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Not all entries in the `FILE_ID` (column P) and `FILE_EXTENSION` (column Q) fields in the POPC2 metadata spreadsheet are filled in. The `FILE_ID` is needed as a preferred way to link to scans on the…
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Hello,
I'm curious if I can I use MV-Tractus as motion detection for webcams.
Basically would like to record using FFMPEG and also at the same time take snaphots when motion is detected with the h…
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```
./compile
In file included from extract_mvs.c:29:
include/libavformat/avformat.h:1985:16: error: redefinition of ‘struct AVPacketList’
1985 | typedef struct AVPacketList {
| …
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Write a tool that converts this data:
```tsv
**kern **text
= =
!LO:SIC:l:v:s=text !
1d test
= =
*- *-
```
into this:
```tsv
**kern **text
= =
! !LO:MO:mod=text
1d test
= =
*- *…
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Is it possible to extract motion vectors at 8x8 or 4x4 level as well. Currently its at 16x16 level.
sak25 updated
3 years ago
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Hi, thanks for the code! Works well to extract motion vectors. However, after installing this, the standard `ffmpeg` no longer works for me. For instance the command: `ffmpeg -start_number 1 -i %04d.p…