A barcode is an optical, machine-readable, representation of data; the data usually describes something about the object that carries the barcode – wikipedia. While first barcode was patented on 1952, it took quite a while until these codes were used in first grocery store on 1974. And now they are being used everywhere. While using […]
Read MoreUnusual tasks with images – stacking pictures
Stacking images always has been a favorite topic for astro or timelapse photographers. In most cases computational photography opens complete new dimension to taking pictures and acquiring awesome results. There are countless commercial software packages with some advantages or limitations. My mind about simple tasks has always been on DIY side – I think it […]
Read MoreAny CS-mount camera deserves autofocus!
I have been working on open-sourced motorized zoom lens for a while. Probably there is no need to mention benefits of having motorized zoom/focus lens on a regular CS type camera. Even greater value comes by having auto-focus capability. This feature is being calculated on host computer and does not consume lot of resources. Many […]
Read MoreOpenCV 3 Python blur detection
In order to detect if picture is in focus modern consumer cameras use complicated phase detection circuitry and specialized sensors. But how to determine if captured picture is in focus after it has been taken. Having this measurement information can help in many ways (select best picture in a sequence, control motorized lens, clean time-lapse […]
Read MoreMaking animated GIF’s
There are countless ways of making animated GIF’s. Unfortunately many tools are crap-ware. You asked how I make my clips, here is python recipe which works flawlessly. Prepare It is obvious that Python should be installed. Then install moviepy by typing “pip install moviepy” and you are ready to go. Script
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