Hello all,
I got a PointGray USB3 camera and a F210B firewire cameras. I’m interested in following changes in time of different fluorescence and reflected light in a diverse set of samples. In this type of cameras the timestamp (label of the time point where a frame has been captured) is stored in the first 4 pixels of an image if ones uses 8 bit depth or in the first 2 bytes if the image is 16 bits.
The timestamp is in cycle counts and stored as bit counts in the pixels. The company has a script example to get the info written in C. But I do not know how to code in C nor I have the time to sit down and learn it (unfortunately). I need to convert this bit counts in either cycle counts or seconds. Note that even if you set up the camera to take 1000 images per second, the output is < 1000 and never constant. Questions:
(1) Has anybody tried to get the timestamp of such images in Image J? If so, how do you do it? Note that what I need is to transform the bit count into cycles. I know how to extract the raw info from the sequence.
(2) If not, does anybody has a suggestion?
Dear Alonso Zavafer,
Look the links, please
http://www.ptgrey.com/support/downloads/10397?
https://www.thorlabs.de/software/THO/ThorCam/Programming/ITN000563-D02.pdf
Regards, Shafagat
Thanks Shafagat. Unfortunately, this two links do not solve my issues. In fact, the first link in is included in the manual.
I understand that the internal clock of the camera uses 32 bits. Both Point Gray and Pike cameras uses the same approach. My question is how this 32 bit data are written in the first 4 pixels in case of 8 bit images or 2 pixels in case of the 16 bit. Any ideas?
In both cases, it seems that the pixel values represent cycle counts, and then cycle counts can be converted into seconds. My question is, how do I convert from pixel values to cycle counts?
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