Mr. Ugur Sezer Profile

Ugur Sezer

Software Engg Manager at EMC Corp

SPIE Involvement:

Author

Publications (1)

This will count as one of your downloads.

You will have access to both the presentation and article (if available).

DOWNLOAD NOW

This content is available for download via your institution's subscription. To access this item, please sign in to your personal account.

Email or Username Forgot your username?

Password Forgot your password?

Show

Keep me signed in

No SPIE account? Create an account

Proceedings Article | 23 June 2003 Paper

A scalable representation for motion vectors for rate adaptation to network constraints

Ugur Sezer, Seyfullah Oguz

Proceedings Volume 5150, (2003) https://doi.org/10.1117/12.503312

KEYWORDS: Computer programming, Binary data, Video, Signal to noise ratio, Distortion, Video coding, Video compression, Visualization, Data communications, Image compression

Read Abstract +

There is a growing need for mechanisms to shape the rate of precompressed video for adaptation to network constraints. The motion vector data component in an encoded bitstream might constitute some considerable portion of P and especially B type pictures, yet no technique currently exists to scale it. Motion vectors of neighboring macroblocks tend to be well-correlated in both horizontal and vertical directions. However, the current standards only exploit the horizontal correlations through predictive coding, introducing dependency and thus resulting in a nonscalable representation. In this paper, we propose a new representation and encoding algorithm for the motion vector information enabling the exploitation of two-dimensional (2-D) correlations, and realizing the signal-to-noise ratio (SNR) scaling of an already encoded video object to an alternate (lower) rate - (higher) distortion level. In the proposed approach, the values of the motion vectors are represented in a binary format. Consequently, the individual bit planes of this representation are coded through a novel 2-D hierarchical bit plane encoding scheme. Scaling, when necessary, is achieved by discarding the least significant bit plane(s). Simulations based on MPEG-2 standard demonstrate that up to 20% scaling is achievable without visually noticeable distortion.

My Library

You currently do not have any folders to save your paper to! Create a new folder below.

Folder Name

Folder Description

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Access to the requested content is limited to institutions that have purchased or subscribe to SPIE eBooks. You are receiving this notice because your organization may not have SPIE eBooks access.*

*Shibboleth/Open Athens users─please sign in to access your institution's subscriptions.

To obtain this item, you may purchase the complete book in print or electronic format on SPIE.org.

ORGANIZATIONAL
Sign in with credentials provided by your organization.

Organizational Username

Organizational Password

Show/Hide Password

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members:

Non-members: ADD TO CART

Keywords/Phrases

Search In:

Publication Years