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An Image Processing VLIW Architecture for Real-Time Depth Detection

机译:用于实时深度检测的图像处理VLIW架构

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Numerous applications for mobile devices require 3D vision capabilities, which in turn require depth detection since this enables the evaluation of an object's distance, position and shape. Despite the increasing popularity of depth detection algorithms, available solutions need expensive hardware and/or additional ASICs, which are not suitable for low-cost commodity hardware devices. In this paper, we propose a low-cost and low-power embedded solution to provide high speed depth detection. We extend an existing off-the-shelf VLIW image processor and perform algorithmic and architectural optimizations in order to achieve the requested real-time performance speed. Experimental results show that by adding different functional units and adjusting the algorithm to take full advantage of them, a 640×480 image pair with 64 disparities1 can be processed at 36.75 fps on a single processor instance, which is an improvement of 23% compared to the best state-of-the-art image processor.
机译:许多用于移动设备的应用程序都需要3D视觉功能,而这又需要深度检测,因为这可以评估对象的距离,位置和形状。尽管深度检测算法越来越流行,但可用的解决方案仍需要昂贵的硬件和/或其他ASIC,这不适用于低成本的商用硬件设备。在本文中,我们提出了一种低成本,低功耗的嵌入式解决方案,以提供高速深度检测。我们扩展了现有的现成的VLIW图像处理器,并执行算法和体系结构优化,以实现所需的实时性能速度。实验结果表明,通过添加不同的功能单元并调整算法以充分利用它们,可以在单个处理器实例上以36.75 fps的速度处理具有64个视差的640×480图像对1,与之相比,提高了23%。最好的最新图像处理器。

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