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In this paper, we propose a new scheme of layered video coding for real-time streaming and lossless archive. The proposed layered video coding provides a delay scalability which is not supported by the conventional scalable coding methods. Motion JPEG2000 is performed as a base layer coder for real-time streaming and an inter-frame coder is used as an enhancement layer coder to enhance lossless coding...
Digital Cinema is a promising application that utilizes high-speed optical networks to transfer super high definition images. The networks are primary used for distributing packet data of digital cinema contents, and are also used to support new services such as the live streaming of musicals and sports games to movie theaters. While current transfer services offer HD quality video, live streaming...
A new bit allocation scheme for JPEG 2000 systems in parallel-distributed environments is proposed. In recent years, super high-definition images are being used for not only digital cinema also alternative services e.g. real-time sports in theaters. In general, such high-definition images are divided into small segments, such as tiles or components, and compressed. However, this process leads to low...
In this paper, 4K & 2K multi-resolution and 60 fps progressive video transmission system is introduced. And its application to the world first bi-directional 4K and 60 fps communication experiments over IP network is discussed. This system implements JPEG 2000 multi-layer scalable coding technology and operates progressively with 60 fps. Its resolution is up to 4096 ?? 2160 pixels (called 4K),...
Along with the increase of all-digital movie theaters, the overarching service category called other digital stuff (ODS) has been drawing more and more attention. The target contents of ODS include not only plays and musicals but also a wide variety of entertainment such as concerts and sports. All are the target of strong demands for real-time streaming The development of an ultra-realistic streaming...
Realtime video streaming is one of the most important tool for the computer supported collaborative workspace (CSCW). CSCW requires bi-directional or many-directional video exchanging. The delay or jitter caused by network quality is easily affecting application or users of CSCW. The quality of experience (QoE) of CSCW with video streaming over IP networks depends on the quality of network. It is...
This paper introduces layered low-density generator matrix (Layered-LDGM) codes for scalable video streaming data. The layered-LDGM codes maintain the arbitrary relationship of each layer from the encoder side to the decoder side. This resulting structure supports partial decoding. Furthermore, the proposed codes create forward error correcting (FEC) packets that considers the relationship between...
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