Chapter 3 Flashcards
1
Q
What is run-length encoding?
A
data storage type: n (number of times a value is there), v (value that is repeated n times)
2
Q
What does lossless mean?
A
Original picture can be created from compressed picture
3
Q
What is DICOM?
A
Digital imaging and communications in medicine. A file format and standar for medical images.
4
Q
What is chain coding?
A
Binary image compression - For every foreground object a sequence tracing the boundary is made starting from a given point (see images)
5
Q
Run length coding in binary images:
A
Only need to describe the foreground. So for every row in the picture containing an object a vector is made showing start and stob - can have more start and stop.