Search Results - "Lagendijk, R. L."

Automated high-level movie segmentation for advanced video-retrieval systems by Hanjalic, A., Lagendijk, R.L., Biemond, J.

“…We present a newly developed strategy for automatically segmenting movies into logical story units. A logical story unit can be understood as an approximation…”
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Video segmentation by MAP labeling of watershed segments by Patras, I., Hendriks, E.A., Lagendijk, R.L.

“…This paper addresses the problem of spatio-temporal segmentation of video sequences. An initial intensity segmentation method (watershed segmentation) provides…”
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Correction of intensity flicker in old film sequences by van Roosmalen, P.M.B., Lagendijk, R.L., Biemond, J.

“…Temporal intensity flicker is a common artifact in old film sequences. Removing disturbing temporal fluctuations in image intensities is desirable because it…”
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Iterative methods for image deblurring by Biemond, J., Lagendijk, R.L., Mersereau, R.M.

“…The authors discuss the use of iterative restoration algorithms for the removal of linear blurs from photographic images that may also be assumed to be…”
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Perceptual tagging of video files in P2P networks by Koz, A, Lagendijk, R L

“…Identification of a video file in current peer-to-peer (P2P) networks is achieved by its tag or by a (100-200 bits) cryptographic hash of the entire file…”
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Perceptual video hashing in P2P networks by Koz, A, Lagendijk, R L

“…Content identification in peer-to-peer (P2P) networks has until now been achieved by using metadata or cryptographic hashes. However, with increasing number of…”
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Advances in Digital Video Content Protection by Lin, E.I., Eskicioglu, A.M., Lagendijk, R.L., Delp, E.J.

“…The use of digital video offers immense opportunities for creators; however, the ability for anyone to make perfect copies and the ease by which those copies…”
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Optimal differential energy watermarking of DCT encoded images and video by Langelaar, G.C., Lagendijk, R.L.

“…This paper proposes the differential energy watermarking (DEW) algorithm for JPEG/MPEG streams. The DEW algorithm embeds label bits by selectively discarding…”
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Error Resilient Video Compression Using Behavior Models by Taal, Jacco R., Chen, Zhibo, He, Yun, Lagendijk, R. L.

“…Wireless and Internet video applications are inherently subjected to bit errors and packet errors, respectively. This is especially so if constraints on the…”
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Distributed Content Based Video Identification in Peer-to-Peer Networks: Requirements and Solutions by Koz, Alper, Lagendijk, R.L.

“…In this paper, we first discuss the essential requirements for a fingerprint (perceptual hash)-based distributed video identification system in peer-to-peer…”
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Low-complexity rate-distortion optimal transcoding of MPEG I-frames by Lagendijk, R.L., Frimout, E.D., Biemond, J.

“…The transcoding of MPEG video streams is important in a variety of situations such as in rate reduction for small bandwidth downstream channels and in…”
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Music2Share - copyright-compliant music sharing in P2P systems by Kalker, T., Epema, D.H.J., Hartel, P.H., Lagendijk, R.L., Van Steen, M.

“…Peer-to-peer (P2P) networks are generally considered to be free havens for pirated content, in particular with respect to music. We describe a solution for the…”
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Estimation of attacker's scale and noise variance for QIM-DC watermark embedding by Lagendijk, R.L., Shterev, I.D.

“…Quantization-based watermarking schemes are vulnerable to amplitude scaling. Therefore, the scaling factor needs to be estimated at the decoder side, such that…”
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Accurate overlaying for mobile augmented reality by Pasman, W, van der Schaaf, A, Lagendijk, R.L, Jansen, F.W

“…Mobile augmented reality requires accurate alignment of virtual information with objects visible in the real world. We describe a system for mobile…”
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A fragile watermark error detection scheme for wireless video communications by Minghua Chen, Yun He, Lagendijk, R.L.

“…In video communications over error-prone channels, compressed video streams are extremely sensitive to bit errors. Often random and burst bit errors impede…”
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Real-time video delivery using peer-to-peer bartering networks and multiple description coding by Pouwelse, J.A., Taal, J.R., Lagendijk, R.L., Epema, D.H.J., Sips, H.J.

“…Broadband Internet access using ADSL or cable modems provides sufficient bandwidth for real-time video streaming. If television channels could be distributed…”
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Noise reduction of image sequences using motion compensation and signal decomposition by Kleihorst, R.P., Lagendijk, R.L., Biemond, J.

“…In this paper, a new spatio-temporal filtering method for removing noise from image sequences is proposed. This method combines the use of motion compensation…”
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Noise reduction filters for dynamic image sequences: a review by Brailean, J.C., Kleihorst, R.P., Efstratiadis, S., Katsaggelos, A.K., Lagendijk, R.L.

“…In this paper, a thorough review is presented of noise reduction filters for digital image sequences. Detailed descriptions of several spatiotemporal and…”
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Rate constrained multiresolution transmission of video by Naveen, T., Bosveld, F., Woods, J.W., Lagendijk, R.L.

“…Multiresolution transmission of compressed video is performed using subbands. Multistage quantization is necessary for efficient embedded video transmission on…”
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Generating Private Recommendations Efficiently Using Homomorphic Encryption and Data Packing by Erkin, Z., Veugen, T., Toft, T., Lagendijk, R. L.

“…Recommender systems have become an important tool for personalization of online services. Generating recommendations in online services depends on…”
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