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  1. S

    Pixel count in histogram

    Thanks thebestcpu. I'll give this a shot when I'm back in the office on Monday. -Steve
  2. S

    Pixel count in histogram

    Actually, scratch that comment about the pixel count being equal for my aRPD layer. It turns out that they are different between 8 and 16 bit modes. I'm reading: 3016610px 3414497px I wasn't too worried but this is a problem. These two number calculate to area measurements of...
  3. S

    Pixel count in histogram

    Hey John, Thanks for the input. I'm well aware that the cache needs to be refreshed to achieve a proper histogram reading. When I have the full image I use the lasso tool to select the boundary of water and sediment, then I use an action sequence that I've created which copies the selection...
  4. S

    Pixel count in histogram

    Sure Tom, I've uploaded them to a Google Drive folder, which can be accessed here: https://drive.google.com/folderview?id=0B_XkORRtWN2OM2JVbnBzNHFvelU&usp=sharing I only included the single "Pen" layers that I'm trying to measure. Each gives a very different pixel count according to the...
  5. S

    Pixel count in histogram

    Also, just in case anyone was interested what our rig looks like. We shoot with a Nikon D7100.
  6. S

    Pixel count in histogram

    Hi all, I'm working with a marine imaging lab and have been utilizing Photoshop CC to make area measurements of sediment profile images (SPI) of the sub-seafloor. Our camera set up utilizes a camera inside of a wedged prism that penetrates the seafloor and takes a photograph of the...
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