How does Compression affects the integrity of the colors?

http://www.pureformsolutions.com/pureform.wordpress.com/2008/01/01/pixelatedExample.jpg

When the compression is not completely spoil the colors, it often simplifies the image and functionally Pixelation it.

The pixelated above image has the same balance of color than the other two.

So, how compression affects the integrity of the colors?

Think of an image as having two distinct layers: black & white, layer on which the color information are asked by the layer of color.

Bad compression also uses sampling poor color - aka color resolution - to record the size of the file.  It will be the average of the values of two adjacent pixels of color to create a larger pixel of color avaraged.  If it's REALLY bad--as in the video DSLR and HDV - it will average the colors of adjacent pixels of the average color pixels FOUR an even bigger.

And what do you think would make the integrity of the color?

Tags: After Effects

Similar Questions

  • Quick display of Web pages - how does this affect the document?

    Hi all

    I find conflicting information on the option "Optimize for Fast Web View", which is enabled by default on most predefined PDF conversion setting.

    I use the PDFmaker plugin (installed CC 2016) to convert Microsoft Word (2016 installed) to PDF files for printing. Word files contain the text, tables, images and objects MS really about anything that you can put in a Word file. These files are produced for web applications and press, so I'm mostly concerned about high quality print presets and press quality, if that makes a difference.

    If I understand correctly, the device is intended to linearize the document. According to the help guide online to distill:

    Restructures the file for faster access (page-at-a-time of download,) or byte serving of web servers. This option compresses text and line art, the substitution of compression on the Images Panel selections.

    Adobe PDF conversion settings

    However, I found the following in the forums

    For at least the Adobe applications that produce PDFS, the Optimize for fast Web view results option in no difference in the quality of the resulting PDF file. Yes, the file is a bit bigger, but there is no difference in quality.

    Optimize the PDF for fast Web view

    Thus, this option really makes a difference in the appearance of the PDF?

    Thanks in advance!

    Fast web view shouldn't affect the quality somehow, unless it is combined with other changes. I think I can see the source of your dilemma.

    This option compresses text and line art, the substitution of selections of compression on the Images Panel.

    Compression of text and line art should always be done because it has no impact on the quality. A form of ZIP compression is used, not JPEG. The text is stored as strings to display; line drawing is stored as coordinates to fill. There is no possibility of destructive compression.

  • If I charge my laptop with 21V charger, does it affect the device. the original 18.5V charger

    The product name is Compaq nx6310

    If I charge my laptop with 21V charger, does it affect the device. the original 18.5V charger

    Hello

    I not this, the variance is acceptable around more/less than 5%, in this case, up to 13%.

    Kind regards.

  • I have lr 5 installed on my mac, I want to buy photographer cc (lr and ps) monthly subscription. How this will affect the already installed lr version... it will update my current version. I'm worried about all the files and it works

    I have lr 5 installed on my mac, I want to buy photographer cc (lr and ps) monthly subscription. How this will affect the already installed lr version... it will update my current version. I'm worried about all the files and work that I already have in my current version of lr 5? Thank you

    You can make reference to: Lightroom and Creative Cloud FAQ   using Adobe Photoshop Lightroom | Lightroom / Common Questions

    Concerning

    Baudier

  • How can I change the color of the fonts displayed on Firefox itself?

    Not Web sites; I know how to change the font style and color used on Web sites. What I was asking is how to change the color of the font of the text displayed on the interface of Firefox itself. Specifically, I want to change the font of the text '100% ' at the top of the Zoom option, since I have no idea when or how it changed (could be me; I do remember never do, however); I have attached a screenshot for better reference.

    I was wondering, but did not before, if it remains green if you move to another bar. In other words, is there something special about this area of bar bar/menu top of the title page which affects the color of the font.

  • How do you choose the color of the exterior of the Illustrator?

    Hey, no one knows what happened to the color picker in Illustrator? In Photoshop, you can sample a color from anywhere outside the window of the application by clicking and dragging with the eyedropper tool. I know you used to be able to do as in Illustrator, but now it doesn't seem to work. I tried Googling the answer, but all I get are about a hundred people showing how to do it in 2012, 2013. Nothing more recent than that which leads me to believe they have much changed something in a recent version of the AI. Don't know how to do it now. Basically, what I need to know is, How do you choose the color of the exterior of the Illustrator these days? I have the latest version - IA CC 2015.3 I think.

    Thank you very much!

    Ben

    My guess is Yes. I'm on a Mac, but test everything that does not work for you, and it works very well, including the colors of the windows of the browser and my wallpaper.

    I booted up my (Win 10) Surface and get the same results that you describe. It could be a limitation of Windows or a bug, but whether you can report it here: feature request/Bug Report Form.

  • For Adobe Reader for iPad: for the Write Anywhere feature, how can I change the color from red to black?

    For the Write Anywhere feature, how can I change the color from red to black?

    Hi Jason,

    Open the PDF in Acrobat Reader

    By the low toolset select comment > Freehand

    After doing the drawing freehand click on save at the top right

    Then tap & hold on this drawing freehand in the PDF file and will get a contextual menu just above in the black bar.

    The menu options are: delete, thickness, color, opacity

    From there, you can change the color.

    Thank you

    Abhishek

  • How can I change the color of just my first row of a table?

    How can I change the color of my first line of the table?

    Even simpler, use the first child pseudo-class, which is taken in charge by all browsers:

    TR:first - child {}

    color: Red;

    }

    The first child pseudo-class affects the first element inside the other (the first child element). The first line of a table always is the first child.

  • How can I change the color of the background of the window?

    How can I change the color of the background of the window? When I create a new document in indesign sometimes the blackground is white, sometimes black or grey and I move forward without knowing why. Thanks for help.

    Ah.

    I've never thought about changing the default is gray for preview, but you can set a different color for the background in preview mode by going into the Guides and pasteboard section of downtown and choose another color from the menu drop-down history. As most of the prefs, if you do this with a file is open, it affects only the current file (and change a file that has a different color, you will need to do one at a time), if you do not open files it will be the default for all new files.

  • How can I change the color used by highlighting the e-mail messages

    How can I change the color highlighting the e-mail messages?

    Hi Hofstra64,

    If you talk about the highlight appears when you select an e-mail message, this is related to the "Highlight color" parameter in your general settings of OS X. More information can be found in the following link:

      

    Highlight color

      

    Choose the color that you want to see when you put in highlight or select items.

    OS X El Capitan: General preferences

    https://support.Apple.com/kb/PH21910

    Thank you for using communities Support from Apple!

  • Table of clusters and the cluster is a bar counter, how can I change the color individually?

    Table of clusters and the cluster is a bar counter, how do I change the color of the bar individual meter for each element of the array?  I just realized that you cannot change the properties of an element of the array without changing everything.  For scale, I had to make digital for each graduation of the scale indicators so that each measure meter in the table in the cluster has individual scales.  I also had to do some calculations for each barmeter to display the correct proportions of 0 to 100% on the scale.  Now, I'm stumped on the color of the bar counter.  Basically, if the value exceeds a set value, the meter bar should turn red.  It must be in a table to be infinitely scalable.

    Thank you

    Matt

    And yet anothr approach...

    Right click on the bar of > Options to fill > maximum fill.

    The fill color of the same color as the background color, then make the background color transparent.

    Drop a box of color BEHIND the bar and the size correctly.

    He has this strange background 3D with flat bar, but what the Hey, his relatives. If its important a custom color box.

    Ben

  • How can I get the color codes for the notebook

    How can I get the color codes for the notebook?

    Hello

    What is the color codes for the notebook?

    Perhaps you need a 3rd party utility like GetDiz - Free and others to be
    found using BING or Google.

    GetDiz Notepad - free - replacement
    http://www.Outertech.com/en/Notepad-replacement

    I hope this helps.

  • How can I change the color of 8-bit to 16-bit on a screen monitor color flat viewsonic va702b

    How can I change the color of 8-bit to 16-bit on a screen monitor color flat viewsonic va702b

    Right click on some empty your desktop > properties > settings

    I hope this helps.

  • How can I change the color of the taskbar?

    How can I change the color of the taskbar? Recently I got a bluescreen and restarted in safe mode with setting network, since my task bars have no color on the home screen task bars or internet

    Hello

    It's the color of your windows. Please try one of the following methods:

    1 start > Control Panel > personalization > then... color of the window.

    2. right click on desktop > customize > then...

    Please note: as mentioned above, change the color of the taskbar will also change the color of the frame of the window.

    Kind regards.

  • Hypertext links are in white text and cannot be seen on a white background. How can I change the color?

    I've been playing with colors, patterns, etc. sometime. And now I realize that I don't see hyperlinks (because they are now in white color) in Outlook emails (and maybe not in Word, come to think of it). How can I change the color of the links back to something other than white? I can't find where to do.

    Thank you

    Brian Butler

    Happy to help you sooner than that.

    Steve

Maybe you are looking for