Characteristics of a Digital Image It can be captured _____1_____ ways: –By camera –By an image...

12
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

Transcript of Characteristics of a Digital Image It can be captured _____1_____ ways: –By camera –By an image...

Page 1: 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.

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

Page 3: 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.

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

Page 4: 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.

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!

Page 5: 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.

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.

Page 6: 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.

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

Page 7: 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.

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

Page 8: 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.

Photo Capture Assignment Example

Page 9: 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.

Image tags can be found by“_____25______” on the picture

Page 10: 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.

__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

Page 11: 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.

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

Page 12: 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.

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