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Intra Frame - I-FrameAn intra-frame is an image in a motion video sequence that is independently coded and has no reference to any other frames. In MPEG other video codec such as H.263 and H.264, I-frames are encoded in a way similar to JPEG for still images.
MPEG Intra-Frame I-Frame
This figure shows how Intra frames (I-Frames) are used in a group of pictures (GOP) as reference frames (key frames). This example shows that each I- frame contains a complete image which can be reference by other frames within the GOP. This example shows that an I-frame typically require the largest number of bytes to represent the image (200 kB in this example).
MPEG Books
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Introduction to MPEG Book
This book explains the basics of audio and video digitization and compression and the standard formats that are used be MPEG. You will learn about the different MPEG audio coders and video coder options. $19.99 Printed, $16.99 eBook |
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