Recursive Disparity Estimation Algorithm for Real Timestereoscopic Video
نویسندگان
چکیده
Several implementations of a recursive disparity esti-mator have been investigated in which bi-directional spatial predictions as well as temporal predictions are used. The recursive disparity estimator showed to be very attractive for real time multi view interpolation applications because of the use of the predictions and small search ranges or update sets. The estimated disparity elds are smooth, causing less visible artifacts in the interpolated intermediate viewpoints. Moreover, the recursive estimator is attractive for hardware implementation. Only a small number of updates have to be checked, thereby considerably reducing the number of operations to be executed.
منابع مشابه
New Concept for Joint Disparity Estimation and Segmentation for Real-time Video Processing
We present a new concept of joint disparity estimation and segmentation developed for a real-time immersive video conferencing system, which uses segmentation and disparity estimation results to calculate a new virtual view of a conferee. For the segmentation background subtraction is used which works well under limited conditions. The main goal of the new concept is to allow more general scena...
متن کاملDynamically adaptive real-time disparity estimation hardware using iterative refinement
The computational complexity of disparity estimation algorithms and the need of large size and bandwidth for the external and internal memory make the real-time processing of disparity estimation challenging, especially for High Resolution (HR) images. This paper proposes a hardware-oriented adaptive window size disparity estimation (AWDE) algorithm and its real-time reconfigurable hardware imp...
متن کاملAn efficient disparity map format for real time interpolation in multi viewpoint stereoscopic video systems
In this paper we present an efficient disparity map format that has been developed in the European ACTS project PANORAMA for stereoscopic multi viewpoint video systems. This new map, the chain map, has several advantages compared to the usual disparity vector fields. It is a very efficient, single bidirectional map, with explicit indication of occlusions and normal/contracted objects, there are...
متن کاملNew adaptive interpolation schemes for efficient meshbased motion estimation
Motion estimation and compensation is an essential part of existing video coding systems. The mesh-based motion estimation (MME) produces smoother motion field, better subjective quality (free from blocking artifacts), and higher peak signal-to-noise ratio (PSNR) in many cases, especially at low bitrate video communications, compared to the conventional block matching algorithm (BMA). Howev...
متن کاملSegmentation-Based Postprocessing in Real-Time Immersive Video Conferencing
We present a novel, real-time disparity analysis frame work developed for immersive teleconferencing. This two-stage method computes a limited number of highly reliable disparities in the first step and then, filling the remaining holes based on segmentation information. The disparity algorithm is a hybrid recursive matching (HRM) approach. Its computational effort is minimised by the efficient...
متن کامل