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The way 10bit is packed gives four bytes of MSBs, followed by one byte packed with the LSBs. When I change to RAW10, I get 25% increase in framesize (8bit->10bit), but I see "ff ff ff ff 00" repeated. I know I've got undebayered images in RAW8 working because they're the right framesize (640x480x1) and from an unmodified camera demosaic nicely.
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I got excited re-reading when I found this one:ĬOM10 - "Common Control 10, Bit: Output data range selection, 0: Full range, 1: Data from to (8 MSBs)" Raw RGB Data"Ī/D Converters - "the bayer pattern Raw signal is fed to a 10-bit analog-to-digital (A/D) converter"ĭigital Signal Processor (DSP) - "Transfer 10-bit data to 8-bit" Key Specifications - "Output Format (8-bit). General Description - "The OV7720/OV7221 provides full-frame, sub-sampled or windowed 8-bit/10-bit images in a wide range or formats."įeatures - "Output support for Raw RGB. RAW8 and RAW10 formats."Īs for the OV7720 sensor, it's a bit ambiguous: Data sheets from google:Ĭamera Interface - "takes either 10-bit RGB raw data or 8-bit YUV data"Ĭolor Converter - "can also bypass. The camera consists of an OV538 bridge processor and OV7720 sensor. Nothing relevant in the original press release.
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the humble PS3 Eye.Ĩ bit per pixel is the sensor native color depthīut doesn't cite a source. I still want to try and push this wee camera on the moon through my dob. Also I think I can leave the matrix in place if I were to try an 850nm IR filter as the colour components may all pass the IR, interesting comparison to try perhaps - the key for that filter being raw capture rather than debayering the sensor. So the stock scene has more illumination.Ĭurrently, I don't have a way to do raw bayer stacking with dark subtraction in Linux. I can't get both sets of lights on both cameras to come on at the same time, but the blue on the stock is certainly brighter, red may be much the same. Also, the glow of the LEDs is much more clearly visible in the stock image. Left is a single frame, right is a 5-frame stack.Ĭonverted to grayscale in GIMP (stock scene was colour, modified was gray but had colour noise)įocus seems off on the modified camera, perhaps removal of microlenses/matrix etc has changed focus, or perhaps the lenses changed between the two models, I didn't keep specific parts together. Lights out, maybe a bit left but not much. just about to turn the lights out and do a side by side comparison with an unmodified one. they're only 50p!Īnyway, I've reassembled it with stock lens/housing. perhaps scalpel the top two layers off, maybe take the third back too, and finish with polishing compound might be better. Tried a pencil at one point but it left a load of carbon deposit - didn't have any IPA so used xylene on a cotton bud. It's not pretty to look at under the microscope, and I've scratched a few pixels in one corner right at the end. Third one I broke the glass but got it off. Second one I cut through the leads trying to get the glass off. didn't think I was outside the lines to the circuitry at the side but perhaps if it's powered up it makes a difference. Chip started getting warm anyway, which is what happened with the one I tried last year. Good luck with this furrysocks2, touched one of these many moons ago and know how fragile they are, interesting.įirst one fried under the knife. I may be wrong, please someone tell me if it's possible in Windows without resorting to custom apps.Īnyway, nice option to have in the back pocket for now.
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I have a suspicion that the CLEye windows driver does actually grab raw frames from the camera, but doesn't appear to offer them through the driver interface. Opened in GIMP, auto white balance and success:
![ps3 eye windows driver ps3 eye windows driver](https://i2.wp.com/www.codelaboratories.com/images/PS3Eye2.jpg)
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I jumped back into the ov534 kernel module source code in Linux and copied (wholesale) the initialisation routines for the bridge and sensor from PS3EYEDriver and modified a couple of colourspace and bit-depth parameters, and ran up guvcview.
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it's a free alternative to the CLEye SDK for custom-app raw bayer capture in Windows. Just found which is a Linux kernel-derived "driver" which can be made to run under Windows but isn't actually a "driver" for using the camera with the likes of SharpCap. I figured getting it working in Linux would be the first step. I want to try debayering one of these cameras again, but I haven't found a way to capture Windows other than using a custom app, which is still possible. One of the problems with the way the kernel module is written is it cannot support sub 1-second frame rates nicely without some changes.
![ps3 eye windows driver ps3 eye windows driver](https://venturebeat.com/wp-content/uploads/2020/03/microkingdoms2.jpg)
then I got a Windows laptop and used the CLEye driver which made life easier. I've previously mucked around with the gspca_ov534 kernel module in linux to add additional framerates.