FreeTrack Forum - Removing IR Filter

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FreeTrack Forum > FreeTrack : English Forum > Support : Tracking System > Removing IR Filter

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lokanratum	#1 19/07/2014 - 21h40 Top
Class : Apprenti Posts : 7 Registered on : 05/04/2014 Off line	Hi everyone, I would like to remove the IR filter from a HP 2300 hd Webcam : http://store.hp.com/FranceStore/Merch/Product.aspx?id=A5F64AA&opt=ABB&sel=ACC But I don't know how to proceed. May someone help me, please ? Lokan Edited by lokanratum on 19/07/2014 at 21h41.
Steph	#2 20/07/2014 - 14h24 Top
Class : Moderator Posts : 656 Registered on : 16/11/2007 Off line	Hi, be aware, that in most case it's irreversible and you can't use it any more for normal utilisation. Try to open the case and check if there is any lens or filter sheet between the camera lens and the sensor, if not, the ir-filter is coated on the lens and you can't remove it. If you remove the lens from the sensor your focus is probably gone and it will be hard to adjust it again for any utilisation. Do you tried it already without any modification or just a daylight filter? Sometimes the in-build ir-filter is weak enough to use it like it is.
lokanratum	#3 20/07/2014 - 22h47 Top
Class : Apprenti Posts : 7 Registered on : 05/04/2014 Off line	Hi, thanks for your help. The system works in fact yet. But I would like to improve. Because I can get only 16 fps. That means that I don't have a a fluid movement in the game. Without a better detection, I need to approach the webcam near the cap, almost 60 cm. And I need to do a very precise setup (exposure, threshold) to get 30 fps, and not lose the tracking when I turn my head. Lokan
Steph	#4 22/07/2014 - 02h34 Top
Class : Moderator Posts : 656 Registered on : 16/11/2007 Off line	I see, up to you, if you want to open it. Perhaps it works. Some even removed coated filters with polish lotion.
lokanratum	#5 23/07/2014 - 09h29 Top
Class : Apprenti Posts : 7 Registered on : 05/04/2014 Off line	I don't want to risk to damage my webcam. So the IR filter will stay where it is. Thanks for your help. Lokan

FreeTrack Forum > FreeTrack : English Forum > Support : Tracking System > Removing IR Filter

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