Abstract
Virtual view synthesis technique renders a virtual view image from several pre-collected viewpoint images. The hotspot on virtual view synthesis area is depth image-based rendering (DIBR), which has low one-time imaging quality. To achieve high imaging quality artifacts, the holes must be inpainted after image warping which means high computational complexity. This paper proposed a real-time virtual view synthesis method from light field. Then the light field is transformed into frequency domain. The light field is parameterized and reconstructed from image array. The virtual view is rendered by resampling the light field in frequency domain. After resampling the image by performing Fourier slice, the virtual view image is obtained by inverse Fourier transform. Experiments show that our method can get high one-time imaging quality in real time.
Highlights
For many modern applications including special effects on films, TVs, and surveillance as well as virtual reality and other applications, it is often desirable to generate a high-quality virtual view image of a 3D scene from a viewpoint for which no direct information is available
Depth imagebased rendering (DIBR) technique is the hotspot in virtual view synthesis field
A virtual view image is synthesized by resampling the reconstructed light field, and this process is real time when light field is reconstructed
Summary
For many modern applications including special effects on films, TVs, and surveillance as well as virtual reality and other applications, it is often desirable to generate a high-quality virtual view image of a 3D scene from a viewpoint for which no direct information is available. This paper applies the light field theory to virtual view synthesis. Our method can synthesize high-quality virtual view from the light field in real time.
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