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Blog Cat Detector Mk IV #2 : Now With Video (Mostly)
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  • Author Author: dubbie
  • Date Created: 11 Jun 2021 12:07 PM Date Created
  • Views 2652 views
  • Likes 8 likes
  • Comments 9 comments
  • photographych
  • cat detector mk iv
  • av to hdmi
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Cat Detector Mk IV #2 : Now With Video (Mostly)

dubbie
dubbie
11 Jun 2021

The AV to HDMI convertor has arrived and I have connected it up to the Serial JPEG camera and a HDMI display. The HDMI display is from a previous Element14 Project (HoloPiBot #10 : It Actually Works - It Really D... | element14 | Programmable Logic) and is the only HDMI display I think I have, although I could use the laptop or TV if I want a bigger picture. Below is an example of everything rather haphazardly plugged together.

 

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This is all working, which is good, but unfortunately there seems to be some sort of shadow image that is always present. It does look as if the camera might have some previous image 'burned' into it (I didn't know this was possible). I have checked the previous image I have (in Cat Detector Mk IV #1 : Testing the Serial TTL ... | element14 | Photography) and I could not see any evidence of this shadow image so it looks as if somehow I have done it - although I have no idea how.

 

Does anyone have any ideas how to get rid of this shadow image?

 

Dubbie

 

PS Not all my videos are faultless and professional. Sometimes I cannot even remember what I am doing!

 

 

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Top Comments

  • beacon_dave
    beacon_dave over 4 years ago +5
    "...It does look as if the camera might have some previous image 'burned' into it..." Could it be that you have saved a previous video frame as some sort of logo/privacy/OSD type overlay ? Some security…
  • beacon_dave
    beacon_dave over 4 years ago in reply to cstanton +4
    I'm awaiting the captures of Dubbie snoozin' in his deckchair.
  • cstanton
    cstanton over 4 years ago +3
    I think I'll need to do this to keep track of the ones sleeping in my yard.
Parents
  • cstanton
    cstanton over 4 years ago

    I think I'll need to do this to keep track of the ones sleeping in my yard.

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  • dubbie
    dubbie over 4 years ago in reply to cstanton

    Chris,

     

    If only it was just sleeping.

     

    Dubbie

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  • cstanton
    cstanton over 4 years ago in reply to dubbie

    Same, same...

    imageimageimage

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  • dubbie
    dubbie over 4 years ago in reply to cstanton

    Chris,

     

    Just put these pictures on the internet, millions will like them. You could try cutting the grass shorter as cats like to be surrounded - they are den animals. I have just made an outdoor cat box for my daughter (who obviously has a cat - a giant maincoon), some people might call it a planter, but the cat calls it 'mine'.

     

    Dubbie

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  • dubbie
    dubbie over 4 years ago in reply to cstanton

    Chris,

     

    Just put these pictures on the internet, millions will like them. You could try cutting the grass shorter as cats like to be surrounded - they are den animals. I have just made an outdoor cat box for my daughter (who obviously has a cat - a giant maincoon), some people might call it a planter, but the cat calls it 'mine'.

     

    Dubbie

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