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spiffycat
Known Participant
March 3, 2017
Answered

Image Size in Adobe Bridge

  • March 3, 2017
  • 3 replies
  • 11397 views

Is there any way to see Image Size from within Bridge. I know that you can see it if you open the file in Photoshop, but I don't want to have to do that for each image just to see the image size. It is not an option to have it listed in the metadata as far as I can see. You can list resolution, file size and dimensions, but not image size. I want to use Bridge to upload images to Adobe Stock, but there is a 4MP minimum image size requirement. I have no way of finding the image size easily. (I could calculate it from the dimensions in pixels multiplied by the number of channels, I think, but I'm not exactly sure -- plus I don't want to have to do math!)

    This topic has been closed for replies.
    Correct answer SuperMerlin

    Yes, SuperMerlin, you are correct, but that is way off topic. All I wanted to know was weather the Image Size value is listed anywhere within Bridge. Do you know? I'm guessing it's not since no one has jumped in and said so.


    No it isn't but a script can display that information for jpeg, other file types would be more difficult.

    You can request it to be added @ Photoshop Family Customer Community

    3 replies

    L
    Lumigraphics
    Legend
    January 29, 2018

    First of all, you really want to upload larger files than 4MP.

    Second, bit depth has NOTHING to do with image resolution (megapixels.) Megapixels is an area measurement, width x height.

    1633px x 2450px is the closest 2:3 ratio size for 4MP.

    Just do the math, a cheap desk calculator is a good friend.

    graemew8513567
    graemew8513567
    Known Participant
    January 29, 2018

    Came across this whilst trying to solve a similar problem. You can [kinda] do this in bridge.

    A 4 Megapixel image works out at about 2667 x 1500 (16/9 aspect ratio). Do a bridge search for images where width and/or height is greater than 2667 and you should [strange crops aside] get all of your images that are 4MP and above.

    You can also filter for file types to cut out any PDFs or other strays.

    Stephen Marsh
    Community Expert
    Stephen MarshCommunity Expert
    Community Expert
    January 29, 2018

    Agreed, this is what I mentioned in my reply #5. The MP inspector panel is also helpful too.

    Stephen Marsh
    Community Expert
    Stephen MarshCommunity Expert
    Community Expert
    March 3, 2017

    Here you go spiffycat:

    and:

    S
    spiffycatAuthor
    Known Participant
    March 4, 2017

    Unfortunately, that is file size, NOT image size. I need image size. File size (measured in MB) is the number of bytes the file uses on your hard drive. The image size (measured in megapixels) is the number of pixels in the image. You have this info in the image size dialog box in Photoshop but I find it nowhere in Bridge.

    Stephen Marsh
    Community Expert
    Stephen MarshCommunity Expert
    Community Expert
    March 5, 2017

    You said:

    MP Size = pixel width x pixel height / 1,000,000 (3168 x 4752px = 15,054,336 / 1,000,000 = 15.1MP rounded up). Image size is the opened/uncompressed size in memory, such as 43.1MB (3168 x 4752px x3 8-bpc channels).

    I disagree. Here's are the terms and calculations used within the Adobe software.

    Image size = size in MP = pixel with x pixel height x number of 8-bit channels.

    File size = size in MB = number of bytes in memory the files uses on the computer (which involves compression)

    The most current version of Photoshop which I have (2017) lists the image size in megapixels in the Image Size dialog box. It also lists this number at the bottom left corner of the screen when viewing an image. (Doc: 63.2M, for example.)

    Please stop replying to my thread as you are only confusing the issue. You don't understand what I'm asking or if you do, you are not answering but are rambling on about other things and accusing me of not knowing what I'm talking about.


    Spiffycat wrote:

    I disagree. Here's are the terms and calculations used within the Adobe software.

    Image size = size in MP = pixel with x pixel height x number of 8-bit channels.

    File size = size in MB = number of bytes in memory the files uses on the computer (which involves compression)

    Spiffycat, please provide links to these Adobe references, specifically the part that I bolded in red. I provided links to my Adobe references to illustrate my reply.

    I have never seen MP multiplied by the number of 8 bit channels. Megapixels (when talking about images) is widely understood to be a direct count of an image’s total pixel count, not an image’s file size (which would be a further calculation that can be based of the MP count). The standard definition of a Megapixel (MP) is how many millions of pixels an image contains. I agree that this is commonly calculated by multiplying an image’s pixel width by the pixel height. To round this data out one can divide the total pixel value by 1 million, which is the accepted short hand form used to represent the MP value.

    Wikipedia – Megapixel

    Digicamhelp – What is a megapixel? - Digicamhelp

    Techterms – Megapixel Definition

    DSLR Guide – How to Define Megapixels

    And the Goolge search page goes on and on with the same answers, backing up what I previously wrote:

    MP Size = pixel width x pixel height / 1,000,000 (3168 x 4752px = 15,054,336 / 1,000,000 = 15.1MP rounded up)

    When I run a 3168 x 4752 px image through ExifTool (the standard tool for working with metadata), the reported MP count is 15.1, are you going to tell me that Phil Harvey, the widely respected developer of ExifTool is wrong too?

    Again, I stand by my statement based on the referenced facts presented above.

    Moving on…

    Spiffycat wrote:

    The most current version of Photoshop which I have (2017) lists the image size in megapixels in the Image Size dialog box. It also lists this number at the bottom left corner of the screen when viewing an image. (Doc: 63.2M, for example.)

    As I have stated multiple times, AFAIK the image size dialog box does NOT list the MP or Megapixel value of an image! The ambiguous “M” value that it does list is actually Megabytes, not Megapixels!

    Here are two of my references:

    The New And Improved Image Size Dialog Box In Photoshop CC

    The Current File Size And Dimensions

    To the right of the preview window is where we find the various controls and options for resizing our images, as well as some general information about the image. At the very top is where we find its current file size and dimensions. Image Size shows us the size of the image in megabytes (which is what the "M" stands for). Dimensions shows us the current dimensions of the image in pixels (px)

    Photoshop image size and resolution

    Nowhere on this page is Megapixel listed.

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