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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.

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Presentation on theme: "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."— Presentation transcript:

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 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

2 There are __6__ types of Memory Cards or Flash Drives San Disk Cards – Sony Cards – Fuji Cards - [Photo Courtesy of: http://sandisk.com]

3 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

4 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!

5 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.

6 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

7 Converting Kilobytes… Know how to use the conversion calculator found on this web site: http://www.calculatorfreeonline.com/converters/co mputerstorage.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

8 Photo Capture Assignment Example

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

10 __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

11 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

12 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


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