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Month: June 2017

FFMpeg Video Splitting and Splicing

FFMpeg Video Splitting and Splicing

In the last post I mentioned that I used a 5 second clip from a larger video. More often that not, large videos will contain fluff that will need to be trimmed before they are published. There are several media editor that will do this. I’ve used OpenShot Video Editor on my system with good results. However, if you had tens if not hundreds of these trim functions to do, using a GUI like OpenShot would be time consuming. Fortunately,…

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FFMpeg Video Stabilization

FFMpeg Video Stabilization

FFMpeg is a command line video processing tool that has granular, if not sub atomic controls to process audio and video data. It will do a high degree of processing and since it uses the CLI, this allows its use in the background for bulk jobs. This ability puts FFMpeg out front of other processing tools. I’ve used GUI tools like vReveal, VirtualDub, and ProDAD. vReveal was an impressive tool that allowed me to leverage CUDA which used GPUs from…

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IOS Sensor Tracking with SensorLog

IOS Sensor Tracking with SensorLog

Over the years I’ve used a variety of sensor tracking programs that ran on smart phones. These programs will read the sensors built in the phone and log them. I like this because it uses hardware that is already available. There are many apps that I have used to do this. The latest one I used is called SensorLog authored by Bernd Thomas. As of this writing it is at version 1.9.2, dated June 2nd, 2017. I’ll be covering some…

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Bicycle Helmet Embedded Electronics

Bicycle Helmet Embedded Electronics

Several years ago I purchased a small video camera that was shaped like a flashlight for $50.  It had VGA 640 x 480 30 fps video quality and would record up to 2 hours on a single charge.  I used it to record several bike rides around the county on numerous bike trails.  The videos provided a way to recall the conditions and experiences which I used to plan future trips. A couple of years later I purchased some 808…

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