Sunday, March 27, 2011

Understanding Images

Pictures taken from digital camera are in the format of digital images. Every image has the following details:
Image size in kB (kilobytes) or MB (megabytes). kilo=1,000 and mega=1,000,000. 1 byte= 1 unit of information.
Image size can also be described in pixels, e.g.

3008 x 2000 pixels
800 x 532 pixels
600 x 399 pixels
OR

Re-size to any physical dimensions (Width & Height) in inches
Next is the image resolution – pixels/in.
(normally is between 72 and 300).

Sending & receiving images as attachments to emails:

You have to “re-size” all digital images to suitable “pixel” size before sending out as attachments in email. If not, the recipient of your email may not be able to view, conveniently, the full picture you have sent.

If you are the recipient of such a large image file and can only view a portion of the picture, you can overcome it by selecting “view” picture instead of “downloading” and open the picture. Also, at the bottom right hand corner of the picture, there is a value of “100%”. Try reducing this value to say 30% or 25% – now I think you can view the full picture completely.

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