IEEE International Workshop on Multimedia Signal Processing最新文献

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Color Images Co-segmentation Based on Fuzzy Local-Entropy Classification 基于模糊局部熵分类的彩色图像共分割
IEEE International Workshop on Multimedia Signal Processing Pub Date : 2012-12-07 DOI: 10.1007/978-3-642-35286-7_31
H. Merdassi, W. Barhoumi, E. Zagrouba
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引用次数: 5
Distributed Packet Scheduling of Multiple Video Streams over Shared Communication Resources 共享通信资源下多视频流的分布式分组调度
IEEE International Workshop on Multimedia Signal Processing Pub Date : 2005-10-01 DOI: 10.1109/MMSP.2005.248602
Jacob Chakareski, P. Frossard
{"title":"Distributed Packet Scheduling of Multiple Video Streams over Shared Communication Resources","authors":"Jacob Chakareski, P. Frossard","doi":"10.1109/MMSP.2005.248602","DOIUrl":"https://doi.org/10.1109/MMSP.2005.248602","url":null,"abstract":"We consider the problem of distributed packet selection and scheduling for multiple video streams sharing a communication channel. An optimization framework is proposed to enable the multiple senders to coordinate their packet transmission schedules, such that the overall quality over the video clients is maximized. The framework relies on rate-distortion information that is used to characterize a video packet and that consists of two quantities: the size of the packet in bits, and its importance for the reconstruction quality of the corresponding stream. Using the framework, each of the senders allocates to its own video packets a share of the bandwidth available on the communication channel, that is proportional to the relative importance of these packets. Thereby, a decentralized streaming strategy is provided that allows for trading-off rate and distortion, not only within a single video stream, but also across different streams. Simulation results demonstrate that, for the difficult case of scheduling non-scalably encoded video streams, our framework substantially outperforms a conventional streaming system that does not consider the relative importance of the video packets. The gains in performance reach up to 8 dB in both streaming scenarios under examination, namely adaptation to random packet loss and simultaneous adaptation to packet loss and available bandwidth","PeriodicalId":227828,"journal":{"name":"IEEE International Workshop on Multimedia Signal Processing","volume":"243 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116440915","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
LPC Prediction Error Combined with LSB Steganography for Blind Speech Authentication LPC预测误差与LSB隐写相结合的盲语音认证
IEEE International Workshop on Multimedia Signal Processing Pub Date : 1900-01-01 DOI: 10.1109/MMSP.2005.248631
Peiqi Chai, Jingyong Liu, Dingyu Pei, Zhiqiang Yang
{"title":"LPC Prediction Error Combined with LSB Steganography for Blind Speech Authentication","authors":"Peiqi Chai, Jingyong Liu, Dingyu Pei, Zhiqiang Yang","doi":"10.1109/MMSP.2005.248631","DOIUrl":"https://doi.org/10.1109/MMSP.2005.248631","url":null,"abstract":"In this paper, we propose a new blind speech authentication method to verify the authenticity and integrity of speech. In this method, linear predictive coding (LPC) and least significant bit (LSB) steganography are combined, using LPC prediction error (LPCPE) as invariable features of speech and inserting these features into least significant bits of speech samples. When verifying the speech, we extract the inserted features, and compare them with recalculated LPCPE. Experimental results show that this method can detect not only the tampering in speech but also the position and region of the tampering","PeriodicalId":227828,"journal":{"name":"IEEE International Workshop on Multimedia Signal Processing","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122529685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Watermarking Parameters Feasible Region Model 水印参数可行域模型
IEEE International Workshop on Multimedia Signal Processing Pub Date : 1900-01-01 DOI: 10.1109/MMSP.2005.248552
Junyi Xu, Changzhen Xiong, Dongxu Qi, Jiwu Huang
{"title":"Watermarking Parameters Feasible Region Model","authors":"Junyi Xu, Changzhen Xiong, Dongxu Qi, Jiwu Huang","doi":"10.1109/MMSP.2005.248552","DOIUrl":"https://doi.org/10.1109/MMSP.2005.248552","url":null,"abstract":"In this paper, the effectiveness and the parameters space of the public watermark algorithm based on modulus of congruence are considered, and the model of the watermark effectiveness feasible region is proposed. The main contributions of the paper are as follows: (1) by distinction parameter, the relations of embedding, extracting watermark and distinction parameter are established, and the necessary and sufficient conditions of lossless watermark detecting or extracting and its parameters feasible region are presented, (2) by parameters feasible region, the control conditions of the watermark robustness and fragileness are given, and the optimality of distinction parameter of the algorithm is proved, (3) under Gaussian noises attack, the mathematical model of the relations of the lossy watermark BER (bit error rate), attack strength and embedding strength is proposed","PeriodicalId":227828,"journal":{"name":"IEEE International Workshop on Multimedia Signal Processing","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121783485","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Physiological quality-of-experience assessment of text-to-speech systems 文本到语音系统的生理体验质量评估
IEEE International Workshop on Multimedia Signal Processing Pub Date : 1900-01-01 DOI: 10.1109/MMSP.2016.7813352
Rishabh Gupta, T. Falk
{"title":"Physiological quality-of-experience assessment of text-to-speech systems","authors":"Rishabh Gupta, T. Falk","doi":"10.1109/MMSP.2016.7813352","DOIUrl":"https://doi.org/10.1109/MMSP.2016.7813352","url":null,"abstract":"","PeriodicalId":227828,"journal":{"name":"IEEE International Workshop on Multimedia Signal Processing","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127919128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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