Comments (4)
Resolved in v1.2 branch, to be included in next release of DVR-Scan.
from dvr-scan.
If set, also needs to re-calculate the kernel size appropriately, and ensure ROI selection is not affected (but scales properly).
Has this (specifically, the first part) actually been implemented?
From the commit above, it seems the kernel size is only re-calculated automatically for implicit (automatically used) values, i.e. when you provide no explicit kernel size yourself. Maybe thatβs all that is desired here. But what this means is that whenever you provide a kernel size and then change the downscale factor, it stops working as expected, and you have to adjust the kernel size manually again (to match the changed downscale factor).
As an example, if I start with --downscale-factor 1 --kernel-size 15
and then switch to β¦
--downscale-factor 2
, I need to manually re-adjust to--kernel-size 7
--downscale-factor 4
, I need to manually re-adjust to--kernel-size 3
--downscale-factor 8
, I need to manually re-adjust to--kernel-size 3
(minimum reached?)
β¦ for roughly equal results. Is this intended?
from dvr-scan.
Ah very good catch - this is not intended indeed. Will re-open this until it's fixed, thank you for the update!
from dvr-scan.
Fixed in v1.4 branch, will be included in next release of DVR-Scan. Thanks @ocram!
from dvr-scan.
Related Issues (20)
- Request: Support for OpenCL HOT 2
- Docker Documentation run command
- When using with wildcard, dvr-scan detects motion across two videos HOT 1
- ROI / region of interest not working HOT 1
- Request: Process video stream from stdin HOT 2
- wildcards produce different detection than file by file run HOT 4
- how do you install this program? HOT 6
- cv2 package got renamed to opencv-python and is now at 4.8.0.76 HOT 2
- Timecode format of hh:mm:ss not recognized HOT 3
- Process ends early and displays error: Element exceeds containing master element HOT 1
- Traceback TypeError for any dvr-scan command HOT 1
- cnt mode stuck HOT 4
- Invalid duration specification for ss: 00:04:60.000 when using -m copy or -m ffmpeg HOT 6
- Require version >= 0.6.2 of scenedetect
- Exception in encode thread when extracting motion events on v1.6 HOT 7
- Unsupported config option: region-file HOT 3
- region-editor config option gets ignored HOT 3
- Request: produce image file (thumb) of the frame with the highest amount of motion per output video HOT 3
- Improve handling of videos that are corrupt or have decoding failures HOT 8
- Closing the ROI editor should warn if you have unsaved changes HOT 2
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