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中文摘要：
基于深度图像的绘制（DIBR）广泛应用于虚拟视点的合成，但是目前实现DIBR的算法复杂度都比较高，很难较实时地应用到3DTV系统中。采用单路纹理图像和其对应的深度图像进行虚拟视点的合成，在图形处理单元（GPU）上应用CUDA（CompmeUnifiedDeviceArchitecture）技术实现了基于深度图像的绘制。通过在NVIDIATelsaC2050图形卡上运行，绘制分辨力1024×768和640×480的图像速率分别达到了15f／s（帧／秒）和24f／s，分别能够准实时或实时地应用到3DTV系统中；同时本文的绘制方法有效地节约了传输带宽，绘制图像的主观质量良好。
英文摘要：
Depth-Image-Based rendering is widely applied in virtual viewpoint synthesis, but at present the implementation of DIBR algorithm is too complex to be applied to the real-time3DTV system. A virtual viewpoint synthesis method which utilizes a single texture image with its corresponding depth map is presented in this paper. The proposed method is implemented on the graphics processing unit （GPU） through CUDA （Compute Unified De- vice Architecture） technology. Running on NVIDIA Telsa C2050 graphics card to render images with resolutions of 1 024 × 768 and 640 × 480, the pro- posed method reaches rates of 15 fps and 24 fps respectively. This method can be applied to less demanding real-time 3DTV system. Meanwhile it is not only effective in saving transmission bandwidth, but also achieves better rendering quality subjectively.
同期刊论文项目
同项目期刊论文
Stereoscopic Visual Attention Based Regional Bit Allocation Optimization for Multi-view Video Coding
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