Scanners Are Designed to Do
- Copy and Preserve Photographs
- Scan Art Work (From your refrigerator)
- Make Pictures Better
- Make Images Larger or Smaller
- Convert Printed Text into Electronic Text (OCR)
- Translate Printed Documents (Special Software)
- Add Business Cards to an Address Book
- Copy Documents and Images
- Fax Your Documents
- Scan 3-D Objects
- Pixels – smallest piece of a digital picture
- Resolution – defines how many pixels
fit in an inch
- Assume we have a picture 1000 pixels wide
- If the resolution is increased, the displayed or printed
size of the image decreases. (1,000 ppi = 1 inch picture)
- If the resolution is decreased the displayed or printed
size of the image increases. (100 ppi = 10 inch picture)
- Even though the pixels were made to be 10 times larger,
the image still contains 1,000 pixels.
- Color Depth – (Just go for the ride on
this one) Scanners capture 3 primary colors: red, green, and blue
(R. G. B). The number to different shades of each color the scanner
can capture determines how many colors the scanner can scan. The
output of most scanners is 24-bit color, which is roughly 16.7
million colors. There are scanners at 48-bit, but the difference
between a 24-bit and 48-bit can rarely be seen with the naked eye.
- Color Space – determines who your scanner
and computer sees the colors in your scan. (True Color, 256 –color,
Grayscale, Black and White)
- Line Art – describes and image that has
only 2 colors
- Grayscale – Like line art, it only has
1 bit color, however, this one color has 256 different shades.
- 256 Color – 8-bit color, or indexed color.
Be careful with this setting. Depending upon the number of colors
in the original photograph, this setting can either be wonderful,
or make your picture look like the Sunday comics.
Different Kinds of Scanners
Desktop Scanners – flatbed
Drum Scanners – very
expensive, and kind of stupid
Film Scanners – Scan
film negatives and color slides
Business Card Scanners
How to Buy a Scanner
- Know the purpose of the scanner
- Film negatives or color slides –consider a film scanner
- 3-D objects,
- What size do you need?
- 8.5 x 11 inches is standard.
- Larger sizes are available for special needs.
- Should you buy new, refurbished, or used?
- Used scanners are usually too old and not worth the money
- Refurbished scanners can be a great bargain, but compare
the price and features with a new scanner, and check the
- What kind of Interface
- My preference is USB or Firewire (IEEE), but you need to
see what kind of connection is on your computer. It may be
a serial port, or a SCSI.
- Check the specifications on the side of the scanner box
and make sure it matches your computer.
- How much resolution do I need?
- For normal scanning such as photographs and drawings, about
200-300 dpi (dots per inch)
- For film negatives you’ll need closer to 2400-4800.
- What software is included with the scanner
- Watch out for software that has LE in the name. This stands
for Limited Edition. Limited Edition could mean that the
software stops working after a 30-day trial, or that the
software is not the complete program.
- Try to rotate pictures when you place them on the scanner glass
instead of using the software. (Unless you are scanning 90, 180,
or 270 degrees). Using software to rotate the images will degrade
- Pictures can be aligned by using a triangular straight edge or
placing the photos on graph paper using some kind of an non-sticking
Steps for scanning an image
- Preview the image –Most scanning software has a preview
- Select the image –this is just like cropping the image
- Choose the settings
- Scan the image
- Review the Scan
- Rescan if necessary
- Know where the scanner is saving the image
Sites to Visit
Scanner Tips http://www2.sunysuffolk.edu/mandias/tips/scanner.html
Do I Capture Images Using a Scanner? https://www.sellproducts.globalsources.com/HELP/webhelp/book12/12c2.htm
a Scanner http://matcmadison.edu/ald/tech/scanner.htm
to Use a Scanner http://www.aarp.org/computers-howto/Articles/a2002-07-16-scan.html
Projects Using a Scanner http://www.lft.k12.la.us/technology/workshops/scanner.htm
Creating a Web Photo Gallery
- Place all of the photos you
want in the gallery in one folder. Give the folder a name.
This will be your source folder.
- Create a second folder and give it a name. This will be your
- From the file menu, choose Create Web Photo Gallery.
- Choose a gallery type from the styles pop-up menu. A preview
appears on the right side of the dialog box, and options for
that style appear in the lower portion of the dialog box.
- In the folders section of the dialog box, click CHOOSE to
open the Select Image Directory dialog box.
- Navigate to the the folder containing the images you want
to display in the Web photo gallery; then select the folder
and click Choose.
- Click the Destination button; then select your destination
folder. Click CHOOSE.
- Choose Banner from the Options pop-up menu to enter a title
for your Web page, the name of the photographer, contact information,
and the current date.
- Choose Large Images from the Options pop-up menu to modify
the appearance of the full-sized versions of your images. You
can also add borders and titles.
- Choose Thumbnails from the Options Pop-up menu to manage
the size of the thumbnail images, as well as their borders
- Choose Custom Colors from the Options pop-up menu to set
background and text colors.
- (Security feature is an option)
- Once you have applied all of the options you wish, click
Creating a Contact Sheet
- Place all of the photos that you wish to place on the Contact
Sheet in one folder.
- From the File menu, choose Print Layouts -> Contact Sheet
to open the Contact Sheet dialog box.
- Click the CHOOSE button and browse for your folder containing
the images for the Contact Sheet.
- Select a width and height value for your contact sheet images.(This
should be the size of the paper you plan on printing the Contact
- Select the resolution size for the Contact Sheet. The default
of 72 should be just fine.
- Select a color mode for your Contact Sheet. (RGB Color is
best for color pictures)
- Make sure the Flatten All Layers box is checked.
- Choose whether you want your thumbnails to appear in order
starting from the top left and running across or down the page.
- If you want filenames to print under your pictures, click
the Use Filename as Caption check box.
- Click OK to close the dialog box and build the contact sheet.
Creating a Picture Package
- From the File menu, choose Print Layouts->
Picture Package to open the Picture Package Dialog box.
- From the Use pop-up menu, select the
location of the image for your picture package. You can select
File or Folder. If you select File, you will create a Picture
Package for that one picture. If you select Folder, you will
create one Picture Package for each picture in the folder.
- From the Page Size pop-up menu, choose
a page size compatible with your printer.
- From the Layout pop-up menu, choose
a layout template.
- Enter a resolution in the Resolution
text box, them from the Mode pop-up menu, choose either RGB
Color or Grayscale.
- Choose whether or not to flatten layers
by checking the Flatten All Layers check box.
- Leave the Content text box at None.
- Click OK to create the picture package.
Creating a PDF Slideshow
- Place all of the pictures for the Slideshow
in one folder.
- From the File menu, choose Automation
Tools-> PDF Slideshow.
- Click the Browse button.
- Navigate to the folder containing the
images for the slideshow.
- Using your method of choice, select
the picture from the file that you want in the slideshow.
- In the Output File section, click the
Choose button to navigate to the folder where you want to
save the PDF file.
- Select Advance Every 4 Seconds.
- Select Loop after Last page.
- Select a Transition.
- Click OK to create your PDF slideshow.
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