Visualization, Spring'98, Yap

HOMEWORK 5:
ROTATING CUBES (THINWIRE VERSION)

  1. DUE:

  2. INTRODUCTION

    In this exercise, we want you to modify the HW 4 to reduce the bandwidth requirement by using lower resolution images. Please refer to the wavelet lectures to review Haar wavelet transform for images.

  3. DETAILS

    Suppose $I_0$ is an image. Let $I_i$ be the $i$-th level resolution version of $I_0$. Choose some $k\ge 0$ parameter (which the client may change). The first time an image $I_0$ is requested, we get $I_k$. Subsequent requests for $I_0$ gets increasingly better resolutions versions. Of course, if the image is changed between requests, we go back to levek $k$. Thus, if the cubes continue to spin, then we will only get low level resolutions. But if the cube stops spinning, then we will get better and better resolution. NOTE: the server must know if the image has changed between requests.

  4. ADDITIONAL NOTES

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