نتایج جستجو برای: disparity

تعداد نتایج: 16104  

2011
Huiran Zhang Qiping Cao Hongsuo Tang Xiaofei Fan Zheng Tang

Viewing things in the three-dimensions (3D) is not a simple task for the visual system. To perceive 3D, the visual system has to reconstruct 3D configurations of objects, their structures and locations in space, from their 2D image on the retinas. In this study, we used the EEG to analyze the brain activities during the subjects watched the horizontal size disparity pattern and the vertical siz...

2005
Liang Zhang

A dense disparity map is required in the application of intermediate view reconstruction from stereoscopic images. A popular approach to obtaining a dense disparity map is maximum a-posteriori (MAP) disparity estimation. The MAP approach requires statistical models for modeling both a likelihood term and an a-priori term. Normally, a Gaussian model is used. In this contribution, block-wise MAP ...

2012
Hsin-Yi Chen Yi-Shan Lin I-Chao Shen Sheng-Jie Luo Wen-Huang Cheng Bing-Yu Chen

In this paper, we present an intuitive and efficient system for correcting the artifacts and noises caused by imperfect disparity estimation. Disparity estimation is a very important and basic process for almost all stereoscopic 3D applications. Although there are many disparity estimation methods, none of them are perfect and suitable for any arbitrary case. Given a defect disparity map estima...

2003
Shao-Yi Chien Shu-Han Yu Li-Fu Ding Yun-Nien Huang Liang-Gee Chen

Disparity estimation is a very important operation in stereo image and video compression. However, existing disparity estimation algorithms require too large computation power. In this paper, we propose a fast disparity estimation algorithm for mesh-based stereo image and video compression with two-stage hybrid approach, which is names as Two Stage Iterative Block and Octagonal Matching algorit...

2006
Kan'ya Sasaki Seiji Kameda Atsushi Iwata

A window-based stereo matching, which matches pixel values within a window between two images, produces a dense disparity map, and as a result, constructs a dense depth structure. Many algorithms of the window-based stereo matching have been proposed. The conventional algorithms, however, face a trade-off between accuracies of the disparity map in disparity continuity and discontinuity regions ...

2003
Rahul Shukla Hayder Radha Martin Vetterli

In this paper, we propose a novel rate-distortion (R-D) optimized disparity based coding scheme for stereo images. This new scheme efficiently integrates the coding of the disparity field with the residual image obtained via disparity estimation/compensation (DE/DC) in an R-D framework. The scheme first performs a quadtree decomposition of the target image and computes the disparity information...

Journal: :Vision research 1979
R Schumer L Ganz

We report two experiments with stimuli composed of dynamic noise stereograms in which binocular disparity was modulated sinusoidally with chan_res in vertical spatial position. The experiments demonstrated that the human visual system contains independent stereoscopic mechanisms selectively tuned for different spatial frequencies of disparity modulation. The first experiment showed that observe...

Journal: :Journal of Neurosciences in Rural Practice 2013

Journal: :The Journal for Nurse Practitioners 2022

View Large Image Figure ViewerDownload Hi-res image Download (PPT)Although persons who identify as lesbian, gay, bisexual, transgender, queer and other (LGBTQ+) face significant health disparities, research is beginning to illuminate barriers best practices overcome them.2Lund E.M. Burgess C.M. Sexual gender minority care disparities. Barriers strategies bridge the gap.Primary Care Clinic Offic...

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