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| gstreamer_video_compression [2020/04/16 01:50] – created wf68spef | gstreamer_video_compression [2020/04/17 10:49] (current) – wf68spef | ||
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| To be able to efficiently send the image data over a wireless datalink, one option is to compress the video data using h264/h265 encoders. Those two are often implemented in a hardware-accelerated way on the onboard computers like RPI and Jetson Nano. We can use these encoders to compress the video data to about 1000kBit/s and keep some kind of acceptable quality in the images to be processed by the image analysis algorithms ( to be tested! ) on a basestation computer. | To be able to efficiently send the image data over a wireless datalink, one option is to compress the video data using h264/h265 encoders. Those two are often implemented in a hardware-accelerated way on the onboard computers like RPI and Jetson Nano. We can use these encoders to compress the video data to about 1000kBit/s and keep some kind of acceptable quality in the images to be processed by the image analysis algorithms ( to be tested! ) on a basestation computer. | ||
| + | These kind of compression is also used in existing solutions mentioned in https:// | ||
| ====== Tests ====== | ====== Tests ====== | ||
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| Images are still looking okay for a human beeing. If the algorithms are also okay with that reduced quality need to be tested. | Images are still looking okay for a human beeing. If the algorithms are also okay with that reduced quality need to be tested. | ||
| + | {{ : | ||
| - | H264s filesize is in line with to the specified bitrate. | + | H264s filesize is in line with to the specified bitrate. |
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| + | Testimages and results can be found here: https:// | ||
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| + | ====== Image compression in general ====== | ||
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| + | * [[https:// | ||