Characteristics of a Digital Image It can be captured _____1_____ ways: –By camera –By an image...
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Transcript of Characteristics of a Digital Image It can be captured _____1_____ ways: –By camera –By an image...
Characteristics of a Digital Image It can be captured _____1_____ ways:
– By camera– By an image scanner– By Cell phone
Is stored on a Flash Drive, Memory Card, or Computer as _____ 2 ____ data called __3__ (i.e., 01010110)
Memory Card and Flash Drives are ___4_____ technologies known as “Solid State Storage”
Is _________5___________ by the camera or computer
There are __6__ types of Memory Cards or Flash Drives
San Disk Cards –
Sony Cards –
Fuji Cards -
[Photo Courtesy of: http://sandisk.com]
Memory Cards or Flash Drives Are a __7__ changing technology Come in various __8__ and __9__ (e.g.,
500mb, 1gb, 4gb, 128gb, etc.) ___________10___________ before
they are FULL! Take a minute to look at one of the
major manufacturer web sites:http://sandisk.com/consumer-products
Importing Images from a Memory Card to a Computer Most cameras come with a ___11___
cable ___12____ readers direct connect to
your computer and fit many types of Memory Cards
Connections are via the ___13___ on your computer
Newer computers have ___14___ Memory Card readers
A computer _________15_________ before it FILLS up!
Image Quality Key Terms(see definition on Wikipedia for each) Pixel - An abbreviation of the words “____16______”. Is a
measurement of the resolution in a digital camera.
Image Resolution – A ____________17________________ that can be recorded in a digital image. The higher the number, the greater the image quality.
DPI (___18____) – Is a measure of image density in terms of the number of individual dots recorded in a 1 inch by 1 inch square dimension. Tends to correlate to an images resolution
MegaPixel - A megapixel is _____19______, and is a term used to express the ability of a digital camera to take high quality pictures.
Image Quality and Computer Storage
Most images are captured and stored on a Memory Card or Computer Hard Drive in _____20_____
_21_ – an abbreviation for Kilobytes The _______22_______used on the
camera, the _____23_____ and _____24_____ that will result
The larger the image or file size, the larger the Memory Card or Computer Hard Disk Drive you will need
Converting Kilobytes…
Know how to use the conversion calculator found on this web site:http://www.calculatorfreeonline.com/converters/computerstorage.php
Also know how to determine the number of images that will fit on
– an 8 GB Memory Card– a 100 GB godaddy.com Web Hosting Plan– Convert Hard Drive size from Gigabytes to
Kilobytes, then divide by Image Size
Photo Capture Assignment Example
Image tags can be found by“_____25______” on the picture
__26__ – Is a compressed image format. Very common on the Internet for its smaller size and portability
Search wikipedia.org for “______27_____”
Image Computer File Formats
Adobe Photoshop Is used to ___28____ images into JPEG format
• There are _29__ main levels of JPEG compression (Max, High, Med, and Low).
• When an image is compressed, it’s computer file size is reduced, but it’s quality is not diminished
• Compressed JPEG images are the most common images found on web sites
Is used to change an ___30___ (for example, from 5x7” to Billboard size, etc.)
Is used to adjust ___31___, hue/saturation, and balance
Is used to ______32_______ two images into one
Has many other ___33___ for creating graphic designs
High Quality vs. Low Quality Images
Use ____34____ Images When:– It’s a ____35_____ such as family picture or
art work– You want to blow an image up to larger sizes
(e.g., Billboard, etc.)
Use ____36____ Images When:– You’re out having fun with friends or family– You’re publishing __37___, so your web
pages load faster for visitors– To ___38___ on your Memory Card or
Computer Hard Drive