Study of Using IrDA to Transmit Dynamic Video of H.263 and Error Concealment

• Main Authors: CHUN-HUNG CHI, 紀鈞閎
• Other Authors: none
• Format: Others
• Language: zh-TW
• Published: 2003
• Online Access: http://ndltd.ncl.edu.tw/handle/10252798127755153749

碩士 === 國立中央大學 === 電機工程研究所 === 91 === IrDA is a so popular transmitted application in wireless communication and applied in the transmission of files generally. There is an application IrTran_P over it that be used to transmit JPEG pictures. With the increase of rate in IrDA, and the transmission of dynamic video is very significant in the technological time. So, we use IrTran_P to transmit H.263 is a novel application, we modified their some protocol information of connect, query, transmission and disconnect packets. This paper describes how we can transmit H.263 video data using IrTran_P protocol. We use the Tmn1.7 of H.263 simulate software that is provided by Telenor Research. In order to reach best performance in real time, we modified some changes of source code. Finally, we propose a new directional interpolation to do error concealment on broken images in this paper. It combines modified linear interpolation using nearest pixels with directional interpolation. Then, directional classifier and the block coordinates system are keys and discussed in the study. And we perform results to discuss.