Suppose we have a video of two white points moving toward each other at a uniform rate against a black background. We encode it via MPEG. In one I frame the two points are 100 pixels apart; in the next I frame they have merged. The final point of merger happens to lie at the center of a 16 x 16 macroblock. (a) Describe how you might optimally encode the Y component of the intervening B (or P) frames. (b) Now suppose the points are in color and that the color changes slowly as the points move. Describe what the encoding of the U and V values might look like.

Suppose we have a video of two white points moving toward each other at a uniform rate against a black background. We encode it via MPEG. In one I frame the two points are 100 pixels apart; in the next I frame they have merged. The final point of merger happens to lie at the center of a 16 x 16 macroblock. (a) Describe how you might optimally encode the Y component of the intervening B (or P) frames. (b) Now suppose the points are in color and that the color changes slowly as the points move. Describe what the encoding of the U and V values might look like.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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