Instrumentation & Image Recording, Processing (L6)

Question 1

What does image acquisition & processing involve? (4)

Answer 1

• Drawing.
• Digital photography.
• Video photography.
• Digital image processing.

Question 2

Drawing types? (2)

Answer 2

• Biological drawings.
• Plan diagrams (not asked of you to draw).

Question 3

Plan diagrams attributes? (4)

Answer 3

• Boundaries represented by lines.
• No scale bar.
• Descriptive heading.
• Magnification given.

Question 4

Digital photography?

Answer 4

= produces digital images that can be displayed on a computer monitor, saved to a drive (hard disk drive, USB flash drive, etc) & processed with digital image software.

Question 5

Video photography attributes? (2)

Answer 5

• Used to record the movements & processes (eg. physiology) in living specimens.

• Still images can also be obtained by capture of individual video frames.

Question 6

What is video photography used to record? (2)

Answer 6

• Movement of living specimens.
• Processes occurring in living specimens.

Question 7

Digital image processing attributes? (6)

Answer 7

• Can be used on…

• Can be used for…

• Digital image enhancing (software such as coral draw), which increases the contrast of the image.

• Need a clean side with no aberrations on slide/cell.

• Change/Add colour.

• Note to never manipulate image captured to the point where you add something that was not in the original image.

Question 8

What can digital image processing be used on? (4)

Answer 8

• Images from digital still cameras.

• Images from digital video cameras.

• Scanned-in images (prints, slides, etc) from analogies photography.

• Both LM & EM images.

Question 9

What can digital processing image be used for? (3)

Answer 9

• Enhancing images (EM).
• Carrying out measurements on specimens.
• Carrying out counts on specimens.