Nukhet Ozbek

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Long-term reference prediction is an important feature of the H.264/MPEG-4 AVC standard, which provides a tradeoff between compression gain and computational complexity. In this study, we propose a long-term reference selection method for videos with frequent camera transitions to optimize compression efficiency at shot boundaries without increasing the(More)
Research on 3D stereoscopic images and videos has been extended quite a lot over the last 10 years. However, there is still empty space for objective quality metrics yet to come for 3D images and videos. Objective quality measurement is based on designing mathematical metrics which result in high correlation with subjective test results that take lots of(More)
Quality of Experience assessment in stereoscopic 3D is a challenging topic and existing standards such as ITU-R BT.500 may no longer be appropriate. The paper presents a new methodology for 3D video subjective quality evaluation. The novel method was developed to compare different multi-view video compression technologies. A time-efficient solution was(More)
The deblocking filter in the upcoming High Efficiency Video Coding (HEVC) standard improves both subjective and objective quality of the coded video sequences. Since different video sequences have different characteristics, deblocking strength should be adjusted on a sequence and even on a picture or slice basis for perceptual optimization. In this paper,(More)
Autostereoscopic 3D is the presentation of depth perception to viewer without eye glasses. The content watched on an autostereoscopic 3DTV, is called multi-view video. A preparation process, referred to as “interleaving”, “interzigging”, or “multiplexing”, is applied to this type of content before being watched on(More)
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