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    Yi 4k+ bitrate mod and firmware unpacker.

    Has anybody tried to get raw dng or JPEG to record at video frame rates? Thanks.
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    CMOS comparison AR0521, OV4689, IMX291

    https://www.sony-semicon.co.jp/products_en/new_pro/february_2014/imx226_e.html 4kp60 12 bits, 1/1.7 inch nice. Just did a pixel area comparison between the two sensors, because the 4k is so big, it's pixel area is over half of the other one, so leas than double the light gathered or one high...
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    CMOS comparison AR0521, OV4689, IMX291

    My poor eyes, that was a dreadful comparison video. Its too late at night here for that. The 4k starvis actually showed more in some shots because it was boosted. You would actually be able to see that attacker crouched beside the car in the carpark. It's not a very good comparison...
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    CMOS comparison AR0521, OV4689, IMX291

    I follow a bit about camera design. The interspace area between the pixels (wood) often does not loose much, and there are ways to use the interspace to collect light too (which the company fillfactory used to do). The amount of pixel to compared to the space its in is called the fill factor...
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    CMOS comparison AR0521, OV4689, IMX291

    Yes, I'm saying that starvis does so well at fullhd, its going be OK for me at 4k. As far as recording preincidents coming up the road, 4k is better.
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    CMOS comparison AR0521, OV4689, IMX291

    Hi. The starvis uses special low light technologies and not just bigger pixels. I'm still waiting for 4k starvis, should still be nice low light. It could take 17 years for all these technologies to be available to OnSemi fur Aptina sensors, or if third party until license finishes or patent...
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    Wide Dynamic Range Myth

    Bits are not the same as stops. The bit just represents a quantity. Say photons are marbles, and the bit is a can. The can hold one or more marbeles. So, a bit could reptesent one or more photons. It could represent all the photons in the universe even. The bits merely tell how many times...
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    Wide Dynamic Range Myth

    Actually. I'm looking around for the camera that claimed something like 20 stops. Anybody know of any?
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    Wide Dynamic Range Myth

    I'm interested if these sensors have dedicated HDR/WDR modes? The normal dynamic range quoted is the native dynamic range, but if the chip has HDR etc video mode, it can add a number of stops on top of native. I had old cameras with maybe 8+ stop native, but upto 16 stop+ in HDR. But word of...
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    Looking for dash and action cams that you can use as a normal camera?

    @Dashmellow Also from insufficent source data rate. The clouds also look shaped. I also would like to know what configuration this came from?
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    Looking for dash and action cams that you can use as a normal camera?

    Nigel, if they made a 4kp50 version to my liking, I would be happy. Have a look at all the sensor technologies they are about to run out at Sony. Check the industry sensors, like the one that low light bullet cam xiacom did. They now have 4k versions up to 4/3rds in size, and 60p, and HDR...
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    Looking for dash and action cams that you can use as a normal camera?

    The sensor stuff Sony has coming, is spectacular. I don't think I have ever heard it suggested that fullHD matched average vision. But this is where respecting the audience comes in. It doesn't matter what we can see, or tv we have or prefer, it's what others can see, what they will...
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    Looking for dash and action cams that you can use as a normal camera?

    Yes, beautiful Nigel, thanks. I found this thread there: https://dashcamtalk.com/forum/threads/gitup-g3-video-thread.29971/ Normally you don't get that quality from normal cams. At least it gets up to fullhdp60.
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    Looking for dash and action cams that you can use as a normal camera?

    I saw either an action or dash the other day with zoom (pretty useless for 3rd party shooting without). Unfortunately I neglected to write it down, but it led me to come back and post here. Already one older type cam hasBen suggested. I don't really want to buy a YI 4k+ back out its lens...
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    Looking for dash and action cams that you can use as a normal camera?

    Ahm, I am sure I have a SD CRT TV around, but I don't want to use it. You can get 4k for years for $399. Why would you buy a 65 inch+ uhd tv for $700 and only use fullHD on it. 8k is the limit for real good eyesight. At 4k the pixels seem to start blending, I think 8k is more objectionable...
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    Looking for dash and action cams that you can use as a normal camera?

    Thanks. I just checked it out, but a bit low spec. Pity they didn't go 4k.
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    Looking for dash and action cams that you can use as a normal camera?

    Hi, I'm interested in finding dash cams and action cams you can use as normal cameras. I've got an action camera here, by the controls are obtrusive. I am looking for one with good quality zoom lens with focus, or replacable lens, and good controls like camcorder settings, even manual...
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    [App] AFT 1.3.2 - Ambarella firmware editor (development paused)

    I have hardware questions in this thread. If anybody could please help: https://dashcamtalk.com/forum/threads/how-does-ambarella-work-programming-live-uncompressed-hdmi.18958/ Also, would this editor deal with older cameras. I think I have some versions 3-6 ambarella cameras laying around...
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    How does Ambarella work/programming live uncompressed HDMI?

    Hi, Are there any links that explain the programming hardware architecture of ambarella chips and how they work? Also, I'm interested in links on programing them? I am interested if live HDMI out is possible without compression (or any newer port like USB 3.1) or recording uncompressed to...
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