[FFmpeg-user] Lenscorrection

[Jesper Taxbøl]

Cool,

Do you use a checkerboard + opencv approach or something else?

And how "fishy" (degrees field of view) was your fisheye lens?

Kind regards

Jesper

2015-06-09 22:15 GMT+02:00 Anshul <anshul.ffmpeg at gmail.com>:

>
>
> On 06/10/2015 01:55 PM, Jesper Taxbøl wrote:
>
>> Hi Guys,
>>
>> I am looking into calibrating a 1080S video from a GoPro hero4. I have
>> looked into the lens correction filter but I have had a hard time finding
>> the correct parameters.
>>
>> I have been fiddling around with opencv doing checkerboard videos to
>> extract the parameters but with little luck yet.
>>
>> My question is if the lens correction filter can work on fisheye cameras
>> or
>> it is limited in a way so I need a different approach?
>>
>> Kind regards
>>
>> Jesper
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>>
> it works well, if you have correct parameter. I have used it to remove
> barrel and fisheye distortion.
>
> I use my own custom tool to find correct parameter like k1 and k2.
> -Anshul
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-- 
Jesper Taxbøl
+45 61627501