| 恰可察觉深度差异模型的深度图优化方法 |
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| 引用本文： | 张艳,安平,张秋闻,王奎,张兆杨.恰可察觉深度差异模型的深度图优化方法[J].光电子．激光,2012(7):1418-1424. |
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| 作者姓名： | 张艳 安平 张秋闻 王奎 张兆杨 |
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| 作者单位： | 上海大学新型显示技术及应用集成教育部重点实验室;上海大学通信与信息工程学院;安徽财经大学计算机科学与技术系;上海大学新型显示技术及应用集成教育部重点实验室;上海大学通信与信息工程学院;上海大学新型显示技术及应用集成教育部重点实验室;上海大学通信与信息工程学院;上海大学新型显示技术及应用集成教育部重点实验室;上海大学通信与信息工程学院;上海大学新型显示技术及应用集成教育部重点实验室;上海大学通信与信息工程学院 |
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| 基金项目： | 国家自然科学基金(60832003,61172096,61171084,60902085);上海市科委重点基金(10510500500);上海市教委科研创新(09ZZ90)资助项目 |
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| 摘 要： | 针对人眼视觉对空间深度变化的灵敏度特性,研究人眼对深度细节感知的最小可察觉差值。通过大量的主观实验得到恰可察觉深度差异(JNDD,just noticeable depth difference)模型,并提出基于此JNDD的三边滤波深度图优化算法,用来抑制不被感知的深度细节,减少由于深度估计过程中引入的噪声而导致的深度绘制失真。主观和客观实验结果证明本文所提出的基于JNDD模型的三边滤波深度图优化算法,在降低深度编码码率的情况下,可使合成虚拟视点图像中物体的边缘更加平滑,减少了边缘噪声。
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| 关 键 词： | 恰可察觉深度差异(JNDD)模型 三边滤波 MVD 深度估计 视点合成 |
Depth map optimization based on just noticeable depth difference model |
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| ZHANG Yan,AN Ping,ZHANG Qiu-wen,WANG Kui and ZHANG Zhao-yang.Depth map optimization based on just noticeable depth difference model[J].Journal of Optoelectronics·laser,2012(7):1418-1424. |
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| Authors: | ZHANG Yan AN Ping ZHANG Qiu-wen WANG Kui and ZHANG Zhao-yang |
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| Affiliation: | Key Laboratory of Advanced Displays and System Application,Shanghai University,Shanghai 200072,China;School of Communication and Information Engineering,Shanghai University,Shanghai 200072,China;Department of Computer Science and Technology,Anhui University of Finance & Economics,Bengbu 230030,China;Key Laboratory of Advanced Displays and System Application,Shanghai University,Shanghai 200072,China;School of Communication and Information Engineering,Shanghai University,Shanghai 200072,China;Key Laboratory of Advanced Displays and System Application,Shanghai University,Shanghai 200072,China;School of Communication and Information Engineering,Shanghai University,Shanghai 200072,China;Key Laboratory of Advanced Displays and System Application,Shanghai University,Shanghai 200072,China;School of Communication and Information Engineering,Shanghai University,Shanghai 200072,China;Key Laboratory of Advanced Displays and System Application,Shanghai University,Shanghai 200072,China;School of Communication and Information Engineering,Shanghai University,Shanghai 200072,China |
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| Abstract: | According to the human visual sensitivity characteristics to spatial depth changes,this paper studies the just noticeable depth difference(JNDD) of the detail perception.The JNDD model is proposed through derivation and analysis on a large number of subjective experiments.Then,a trilateral filtering algorithm is presented based on the model to suppress the unperceivable depth details and to minimize the rendering artifacts due to the inaccurate depth estimation.Subjective and objective experimental results prove that the proposed trilateral filtering algorithm for depth map based on JNDD model can smooth the object edges and reduce the edge noise in the synthesized view while reduce the bit rates. |
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| Keywords: | just noticeable depth difference(JNDD) model trilateral filter MVD depth estimation view synthesis |
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