Textbook Page 44

Source: Internet
Author: User

Textbook Page 44:

3-9, no redundancy of the source can also be compressed? Why?

Answer: No lossless compression, can be lossy compression.

3-10, not related to the source can also be compressed? Why?

Answer: At least can be lossy compression, if there is redundancy (the source of non-equal probability distribution) can also lossless compression.

3-12, equal probability distribution of the source can also be compressed? Why? Can you give me an example?

Answer: can compress . If there is "correlation" in "equal", it can also be lossless compressed.

3-15, some people think: "The image of the negative (black-and-white upside down) more than positive compression." Do you agree with his point of view? Why?

My answer: disagree.

3-16, some people think: "The related sources are non-equal probability distribution." Do you agree with his point of view? Why?

My answer: disagree.

Textbook Page 44

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.