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Software implemented image generating pipeline using a dedicated digital signal processor
Software implemented image generating pipeline using a dedicated digital signal processor
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机译:使用专用数字信号处理器的软件实现的图像生成管道
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摘要
An image generating pipeline (IGP) includes a digital signal processor for implementing processing blocks connected in cascade for processing an input image that includes an array of raw pixel values to generate a color image that includes an array of reconstructed pixel values. A memory is coupled to the digital signal processor for storing the raw pixel values and the array of reconstructed pixel values. The digital signal processor includes a data cache, and the raw pixel values of the input image are processed through the processing blocks in sub-arrays having fractional dimensions of the pixel dimensions of the whole image array. The sub-arrays include an input sub-array of pixel values being loaded from the memory for defining a working window. The sub-arrays of raw pixel values have a row-wise dimension of at least a fraction of a full row of the input image, and a column-wise dimension equal to or larger than a column-wise filtering action of a respective processing block to which the input sub-array is input. The digital signal processor outputs at least one fraction of full rows of completely reconstructed pixel values of the input image for storing in the memory.
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