I suggest axis camera q1615
IPVMU Certified | 09/02/14 11:19am
If you haven't seen it already, there's an excellent article named Camera Vibration Solutions which covers the pros and cons of different methods of image stabilization.
IPVMU Certified | 09/02/14 12:57pm
Are you able to help specify the pole for this application, or has it been selected already?
If you have any authority over pole selection, you can specify certain features that mitigate some of the harder to control aspects of wind buffeting, like guy wires and pole profile.
Thanks Matar & Luke. @ Brian , the client has already installed the poles. We have left out with the options of choosing the camera & software.
Any VMS having EIS in live view ?
We recently put up 10 of the Sony WR632 PTZs and they work wonderfully, customer is very happy. The pole mounting heights range in height from 65' to 85' and are a combination of wood 1" diameter (65') and metal light poles (85').
How much pole sway is occuring? Is it constant/steady, or only sometimes?
How far do you need to see with the camera? What level of detail do you need to resolve?
What is the pole made of?
IPVMU Certified | 09/02/14 11:18pm
This question has lead me to wonder if there are any common methods for measuring movement in semi-inaccessible locations such as the top of this 30m pole. For surveillance cameras, is it important to measure movement in x, y and z axes? If one can obtain measurements of camera movement, how can one then select a suitable image stabilisation technology that will be guaranteed to do the job such as electronic image stabilisation or a gyroscopic mount? I'm guessing the answers to these questions must have already been worked out for use on ships and oil rigs. I'd be very interested to learn what approach IPVM members take to measuring vibration and pole sway in particular. Thank you for any ideas.
...common methods for measuring movement in semi-inaccessible locations such as the top of this 30m pole... If one can obtain measurements of camera movement...
The movement of the camera's image itself is the best judge of the motion of the pole. You just need to have a reference(s) in the FOV that you can use simple trig on to determine travel at the pole. If you can't see it in the image with the camera at MOD and MFL then it probably doesn't matter.
I would add that in some cases the best solution would be to stabilize the base to a greater degree if possible.
Some VMS already handling analytics engines, now integrate EIS, but like VMD or Analytic, this consume memory and CPU and I'm not sure that can work efficiently on high frequencies vibrations when you add latencies (200 to 800ms) due to H264 compression/transmision/decompression. Eis is effective when inside the camera, at the root. Next generation of anti vibration features are including gyrocopes to eliminate pole rotations as well as simple vibrations.
For creating a snapshots (not video) you could try www.mktimelapse.com.