Woo-seok Jang

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— Disparity acquisition is beneficial to various 3D multimedia applications, i.e., free viewpoint TV (FTV), 3DTV, and 3D scene model reconstruction. In this paper, we propose an efficient disparity map estimation method with occlusion handling taken into account. In order to detect occlusion, we obtain left and right initial disparity maps via optimization(More)
This paper proposes the hybrid simplex algorithm (SA)-harmony search(HS) Method. HS method is, the evolutionary algorithm, conceptualized using the musical process of searching for optimization problems. SA helps HS find optimization solution more accurately and quickly. In this paper, the performances of proposed algorithm are compared with the original HS(More)
In this paper, we propose a stereo matching algorithm based on distance transform to generate high-quality disparity maps with occlusion handling. In general, pixel intensities around object edges are smeared due to mixed values located between the object and its background. This leads to problems when identifying discontinuous disparities. In order to(More)
—In this paper, we propose a stereo matching algorithm with occlusion handling. In order to detect occlusion, we obtain an initial disparity map via optimization based on modified constant-space belief propagation (CSBP). Such a method is advantageous due to its low complexity. The initial disparity maps provide clue for occlusion detection. From such clue,(More)
In this paper, we propose an occlusion detection algorithm which estimates occluded pixels automatically. In order to detect the occlusion, we obtain an initial disparity map with an optimization algorithm based on the modified constant-space belief propagation (CSBP) which has low complexity. The initial disparity map gives us clues for occlusion(More)
In this paper, we propose a gaze correction method using 3D video processing techniques including depth estimation and virtual view synthesis. We design a set of color and depth cameras to reduce occlusion regions and improve the depth precision in the less-detailed region. The proposed algorithm deals with fully unsolved problems by fusing the depth data(More)
In video conferencing, eye gaze correction is beneficial for effective communication. In this era, video conferencing at homes using laptops is straightforward. In this paper, we propose an eye gaze correction method with a low-cost simple setup using Kinect v2. Our method detects an ellipse that connects edge points of the face after identifying several(More)