Global Shutter Color Camera? (Not for VIO)
-
Hello ModalAI Team
I am looking for a global shutter color camera, preferably 1280x720 resolution or similar. Reading other posts it seems as if the AR0144 has been tested to work, but still needs some development to integrate and function well with the VOXL 2.
Is this only in the situation where it will be used for VIO? I will be using it as an object detection camera, and therefore it should be global shutter preferably for clear images. I can't seem to find any global shutter color cameras in your store. Is it possible to purchase this somehow?I have tried emailing a few times about this for the past months, but can't seem to have received a response or confirmation that my email was sent.
Best Regards
Peter -
@Peter-Lingås-0 I do not have an answer for any global shutter cameras but what I can tell you is that the AR0144 camera can be used for anything as well not just VIO - the frames being piped out go into the software dedicated for OVINS but it can also be piped anywhere else due to the pub/sub architecutre, so you should have no problem piping that into your computer vision software either.
-
We did have a sample batch of color AR0144 global shutter cameras, but i think we probably run out of those. I can double check. Due to low demand, we are not actively supporting them.
For general object detection applications, i would recommend IMX412 camera (M0161 part number, for example). This camera is 4056x3040 resolution, but it also supports 2x2 binned mode. The advantage of using binned mode (for this context), is reducing the rolling shutter effect.
The amount of rolling shutter distortion / skew is a function of the readout time (time between the start of exposure of first line and last line). This time depends on the camera and specific operating mode.
However, the IMX412 camera in combination with VOXL2 supports a 2x2 binned mode where you get a 1920x1080 image with only about 4.2ms of rolling shutter skew, meaning there is only 4.2ms between the first and last line. You can see more details on the readout time for different modes here : https://docs.modalai.com/camera-video/low-latency-video-streaming/#camera-pipeline-latency-in-different-operating-modes
Additionally, the IMX412 camera module has M12 lens mount, which allows for more flexibility in lens choice as well as supporting generally large lenses, which will improve image quality as well.
Would this be an option for you or is having a global shutter camera a requirement?
Alex
