I'm interested in purchasing an Elphel 353 for a finish line application.
However, I'm wondering if someone can answer a few questions for me first...
1) Can the 353 capture 640x480 video at 100+ fps even when recording in "jpeg"
mode - i.e. writing individual JPG's for each frame? If so, which would be
better (i.e faster & more reliable) to write to - CF or HDD?
2) Can the 353 be configured to capture non-standard dimension video - say,
64x960 - and still record at 100+ fps? Since the finish line is "vertical",
it'd be nice to be able to trade space in the horizontal dimension in exchange
for the vertical.
3) There's an excellent 100 fps finish line video called "100 FPS with
timestamps watermarked" at
http://wiki.elphel.com/index.php?title=Images_and_videos_examples. My broad
question is, how can I do that? I know how to add a timestamp (from the EXIF
data) watermark to an individual JPG using PHP. To get the effect in that
video, would it be better/easier to:
a) Record individual JPG's, watermark them all with a script, then merge them
together into a movie, or
b) Record an MJPEG in a MOV/OGG, and somehow parse through the frames (using
some PHP extension, perhaps?) adding the watermark, or
c) Is it possible to add the watermark to each frame as it's being recorded -
i.e. (presumably) modifying camogm?
Thanks for taking the time to help.
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