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Nowadays, embedded vision systems have to face new hard requirements involved by modern applications: real-time processing of high resolution images issued by multiple image sensors. Recently, a new adaptable ring-based interconnection network on chip has been proposed. Based on adaptive datapath, it allows handling of multiple parallel pixel streams. In this paper, we present a new hierarchical memory...
Bilinear interpolation is widely used in computer vision for extracting pixel values for positions that lie off the pixel grid in an image. For each sub-pixel, the values of four neighbors are used to compute the interpolated value. This presents a challenge since four pixels must be read from the source image memory for each output pixel. This paper presents an architecture, for implementation within...
This paper describes the idea of the multi-core programmable cores architecture for real-time image processing in embedded applications. The authors propose the architecture of a simple 8-bit processor core dedicated to low and intermediate level image operations. Several cores are connected to a common, 128-bit wide data bus by multiplexes and their operation is synchronized. The image data on the...
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