[PSUBS-MAILIST] Virtual Viewports

Sun Jan 17 17:25:14 EST 2016

OK, your conversation got me thinking.  Ordered a few of these.  They're
cheap enough.

Question:  Anyone ever tried oil filling something like this?  

http://www.ebay.com/itm/USB-HD-50MP-Webcam-Web-Cam-Camera-with-MIC-for-Compu
ter-PC-Laptop-Desktop-JL-/161868296202?hash=item25b01a300a:g:6i4AAOSw7FRWXEW
N

Maryland Brian

Today's Topics:

   1. Re: Virtual Viewports
      (Antoine Delafargue via Personal_Submersibles)

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Message: 1
Date: Sun, 17 Jan 2016 12:19:14 +0100
From: Antoine Delafargue via Personal_Submersibles
	<personal_submersibles at psubs.org>
To: Personal Submersibles General Discussion
	<personal_submersibles at psubs.org>
Subject: Re: [PSUBS-MAILIST] Virtual Viewports
Message-ID:
	<CA+v+SjpOBu-M824X-d_+G8cUHRf9A2g3jdqv75tHZfpF+cq65g at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Hi Cliff,

-the casing is 1atm, of the type that is on the picture below being prepped
for pressure test up to 400m at Emile's:
-the cam is an industrial model that my project mate uses for his drones (
www.*delair*-*tech*.com/en).
I don t have the specs, but it is a wide sensor for low light conditions.
We ll use it primarily for shooting pictures, synchronized with LED lamps
flashes -the relay screen will be a small PC with separate screen.
[image: Inline image 1]
regards
Antoine

On Sun, Jan 17, 2016 at 1:57 AM, Cliff Redus via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Good idea about tilting the hatch forward by 10 degrees to improve 
> forward viability.  For the camera, have you speced it yet?  Will it 
> be a 1 atm pressure chamber as Jon suggest?  Have you speced the display
monitor?
>
> Cliff
>
> On Sat, Jan 16, 2016 at 11:05 AM, Antoine Delafargue via 
> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>> HI Cliff,
>> for Pilot Fish, we ll have the same configuration as on your R300, 
>> although the hatch is tilted nearly 10? forward to improve visibility.
>> We are building a camera in the nose pointing downwards in a 
>> transparent acrylic casing.
>> and plan to relay it to a portable screen inside the sub.
>> We ll see how it renders...
>>
>> regards
>> Antoine
>>
>> On Sat, Jan 16, 2016 at 4:46 PM, Jon Wallace via 
>> Personal_Submersibles < personal_submersibles at psubs.org> wrote:
>>
>>>
>>> USB HD webcams are pretty cheap and can easily be put into a 
>>> homebuilt housing.  I am planning on using them with a small 12inch 
>>> notebook for video capture.  You can use multicam software like ISPY 
>>> to combine multiple cameras into one viewing area.  The only problem 
>>> I've found is that I can't get more than three cameras to work with 
>>> any computer I've tried.  IP Cameras are another option but are more 
>>> expensive and larger so require a bigger footprint on the sub.  And 
>>> of course if the housing fails it will hurt your pocket book more to 
>>> purchase another IP cam. The advantage though is that most of them have
built in IR lights for night vision.
>>>
>>> If you want something more basic, check out Raspberry PI with 
>>> Processing Language for building a graphical display.  You can feed 
>>> a camera to it to display on a small touchscreen.  I've tried it and it
works very well.
>>>
>>> Jon
>>>
>>>
>>>
>>> On 1/16/2016 10:34 AM, Cliff Redus via Personal_Submersibles wrote:
>>>
>>>> With the sitting position of the pilot in the R300 and the 
>>>> hemispherical viewport, visibility upwards all around is excellent 
>>>> but visibility off to the port and starboard sides of the boat when 
>>>> looking down is poor.  I am interested in what experience we have 
>>>> collectively on using subsea cameras and displaying monitor as 
>>>> virtual viewports.  Has any one commissioned one of these cameras?  
>>>> What brand and model did you use and what HMI or monitor did you 
>>>> use?  Has it worked? What has worked well and what whould do
differently on your next boat?
>>>>
>>>>  I know from emails a few years back that Carsten was planning on 
>>>> using this concept rather than a physical viewport.  I would be 
>>>> interested in anyone's experience on this.
>>>>
>>>> cliff
>>>>
>>>>
>>>>
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>>>
>>
>>
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>>
>
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