Skip to content
Free planNo credit card requiredStart writing
AI for Research home
AI for Research home
Dashboard
Sign inGet started

Search 250 million research papers

Read the abstract, see who wrote it and who cites it, and get the citation in APA, MLA, Chicago or Harvard.

About 2,768 papers for “Transcoding”

TRANSCODING

Error-resilient Transcoding, Minghui Xia, Anthony Vetro et al. · 2004

A key issue in video transcoding for transmission in an error-prone environment is to balance the rate used for the video source with bits allocated for error resilience such that the end-toend distortion is minimized under the given rate constraint and channel condition. The approach presented in this paper differs from previous works by accounting for the inter-frame dependence in both video source requantization and error propagation of motion compensated video. Based on the rate-distortion models developed in this paper, an optimal Group-of-Picture based bit allocation scheme is proposed. We also propose a sub-optimal scheme that is suitable for a real-time implementation. Both the optimal and the suboptimal scheme achieve better PSNR performance than the fixed heuristic bit allocation scheme.

Cited by 0

TRANSCODING

Branko Petljanski, Hari Kalva · 2016

Cited by 0

Transcoding

Chieko Asakawa, Hironobu Takagi · Human-computer interaction series · 2008

Cited by 21

Numerical Transcoding

Gérard Deloche, Xavier Seron · 2018

Transcoding processes constitute a very large class of cognitive activities that transform a form presented in one code into another code. From a cognitive point of view, the transcoding algorithms can be divided into two main classes. One that requires a semantic interpretation of the quantity represented in the source code followed by an encoding of the semantic formulae in the target code. Another that simply produces the form in the target code by the procedural application of a set of rewriting rules to the lexical primitives found in the source code form. For instance, incongruence between the physical size of number symbols and their values was shown to affect numerical comparative judgments with digital but not with alphabetical English forms, which was replicated by Takahashi and Green, who observed an interference effect with the Japanese ideographic script but not with syllabic script.

Cited by 102

Video Transcoding

Dogan, S, Sadka, AH · Surrey Research Insight Open Access (The University of Surrey) · 2002

Cited by 0

Transcoding place

Victoria Ann Moulder, Victoria Ann Moulder · Summit (Simon Fraser University) · 2010

This thesis explores a cultural phenomenon called Crude Awakening, which brings to attention a global crisis -our dependence on oil.The case study analyzes a communicative ecology between a live performance and it's video documentation.The research combines close reading and semantic differentials methods as a means of understanding the relationships between what people posted to YouTube, the system design and the live performance.The goal is to define the dynamics of this communicative ecology as a means of interpreting semantic space, sometimes defined as aesthetics, for understanding how people interpret -meaning.The findings are to provide a framework for designing software architecture that can contextualize information, and define a broader context for discussing the hybridization of technology and culture in today's digital world.I argue that digital social architecture, unlike traditional architecture, is a fluid system that evolves and changes along side social movements.

Cited by 0Open access

Transcoding place

Moulder, Victoria Ann · Summit (Simon Fraser University) · 2010

This thesis explores a cultural phenomenon called Crude Awakening, which brings to attention a global crisis - our dependence on oil. The case study analyzes a communicative ecology between a live performance and it’s video documentation. The research combines close reading and semantic differentials methods as a means of understanding the relationships between what people posted to YouTube, the system design and the live performance. The goal is to define the dynamics of this communicative ecology as a means of interpreting semantic space, sometimes defined as aesthetics, for understanding how people interpret - meaning. The findings are to provide a framework for designing software architecture that can contextualize information, and define a broader context for discussing the hybridization of technology and culture in today’s digital world. I argue that digital social architecture, unlike traditional architecture, is a fluid system that evolves and changes along side social movements.

Cited by 0Open access

Experiential transcoding

Yeliz Yeşilada, Simon Harper, Sukru Eraslan · 2013

Transcoding web pages for ease of use for small screen device users and for disabled users have been researched extensively. However, there has been very little research on transcoding web pages based on understanding and predicting users' experiences. In this paper, we discuss the concept of experience-based transcoding, called "experiential transcoding", and present our initial work on identifying patterns in eye-tracking data to guide transcoding of web pages for improving the experience of blind and situationally impaired users.

Cited by 31

A Primer To Video Transcoding: Image Transcoding

D. Mehta, U. B. Desai · 2002

In the video transcoding problem, we convert the video from one bit-rate to another which can help us design better streaming servers. This is achieved by changing the resolution as a trade-off for the bit-rate. In this work, we solve a part of the problem. The individual frames are represented in terms of 8 x 8 DCT blocks. We develop an algorithm for re-sampling the frame in the DCT domain, such that the reduced resolution video also has 8 x 8 DCT blocks. Our algorithm is for color images.

Cited by 15

Smart-Transcoding

Ro Andreoli, Folco Fioretti, Samuele Pasqualini et al. · 2015

Abstract—The present paper concerns the reduction of com-putational burden on the estimation of prediction modes in Intra frame from H.263 to H.264 AVC streams transcoding process. Scope of this work is to achieve the possibility of communication between new and existing video coding systems that do not share the same codec, but they use different video codecs, e.g. video-conference and UMTS. Differences exist between the frequency domain prediction in H.263+ and the spatial domain prediction in H.264. Nevertheless these procedural differences, we will be able to use some useful information extracted from H.263+ bitstream to simplify H.264 Intra mode decision predictions. In this work we propose two new algorithms for the reuse of H.263+ prediction modes in H.264 Intra mode prediction. Performances of our algorithms are compared to the full transcoding approach in term of PSNR. Tests reveal an high correlation between PSNR scores with a residual error up to 0.1 dB. A 10 % increase of the overall bitrate is revealed, but a 27% reduction of computational burden is also measured. H.263+, H.264 AVC, heterogeneous transcoder. I.

Cited by 0

Transcoding Digital Video

SR Gray · Bristol Research (University of Bristol) · 2009

‘Digitisation’ is a process in which analogue materials become digital, while ‘transcoding’ is the shift from one digital format to another digital format. This brief paper looks at some common situations which call for transcoding, such as when ‘migrating’ data to new formats in order to avoid obsolescence.

Cited by 0

Transcoding SIP gateway

David Åberg · KTH Publication Database DiVA (KTH Royal Institute of Technology) · 2005

In todays multimedia society more and more communication is becoming digitized. However under a temporary period, digital and analog techniques must coexist. So that every one can communicate with everyone else. For the deaf community, among other things, this means connecting analog text telephones to new internetbased technology. To enable this coexistance the Telecommunication Access Rehabilitation Engineering Research Center of the University of Wisconsin, Trace Center joint with Gallaudet University, and Omnitor AB have presented a idea of how this can be achieved. This report describes a project, which shows how a gateway can be designed and implemented. A gateway that has the features of enabling communication between analog text telephones and internet based clients. Enabling the users to communicate with both voice and text regardless if the users are using analog or digital media. The implementations in this project are done in Java. So the resulting gateway is as operating system independent as it can be. The result of this work was a gateway that can separate vice and analog text telephone signals in a in coming sound stream. The separation is good enough so as not to influence a conversation through the gateway.

Cited by 0Open access