It has been verified that H.264/AVC, the newest video compression standard, can also be used to encode still images. In many cases, it outperforms state-of-art coders such as JPEG2000. For compound documents, the gains over JPEG2000 are even more expressive. In this scenario, the contributions of the present paper are distributed over four document encoding methods that use the H.264/AVC as a b...

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The rate-distortion optimization (RDO) method in the H.264/AVC encoder is an informative technology that improves the coding efficiency, but increases the computational complexity. In this letter, a fast Intra mode decision algorithm using DCT (Discrete Cosine Transform) coefficients distribution is proposed to reduce the H.264 encoder complexity. The proposed method reduces the encoder complex...

H.264 is everywhere. If you have ever downloaded videos to your iPod from the iTunes movie store or ripped a home movie to the latest and greatest MP4 video format, you have taken advantage of H.264 encoding. H.264 is a giant step forward from previous standards because it achieves greater compression, provides a full networking framework, and streamlines the algorithms to achieve similar quali...

Rate control plays an important role in video coding, although it’s not a normative tool for any video coding standard. In video communications, rate control must ensure the coded bitstream can be transmitted successfully and make full use of the limited bandwidth. As a consequence, a proper rate control scheme is usually recommended by a standard during the development, e.g. TM5 for MPEG-2, TM...

H.264 provides various useful features such as improved coding efficiency and error robustness. These features enable mobile device to adopt H.264/AVC standard to achieve effective video communications. However, the encoder complexity is greatly increased mainly due to motion estimation (ME) and mode decision. We implemented a realtime H.264 encoding system based on DSP and FPGA chip using the ...

H.264/AVC is newest video coding standard of the ITU-T Video Coding Experts Group and the ISO/IEC Moving Picture Experts Group. The main goals of the H.264/AVC standardization effort have been enhanced compression performance and provision of a “network-friendly” video representation addressing “conversational” (video telephony) and “nonconversational” (storage, broadcast, or streaming) applica...

Scalable Video Coding (SVC) has been standardized as an annexure to the already existing H.264 specification to bring more scalability into the already existing video standard, keeping the compatibility with it. Naturally, the immediate support for this in embedded system will be based on the existing implementations of H.264. This paper deals with the implementation of SVC decoder in SoC built...

H.264/AVC is a joint project of ITU and MPEG. It provides high quality compression for various services like IP streaming media, SDTV and HDTV broadcast and video on demand etc. Motion estimation, input buffer, summation unit and reference frame section form complex design of H.264/AVC encoder. It is the most advanced video standard. In this paper,H.264/AVC encoder is designed in verilog with b...