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A 1000 Frames/s Programmable Vision Chip with Variable Resolution and Row-Pixel-Mixed Parallel Image Processors

机译:具有可变分辨率和行像素混合并行图像处理器的1000帧/秒可编程视觉芯片

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摘要

A programmable vision chip with variable resolution and row-pixel-mixed parallel image processors is presented. The chip consists of a CMOS sensor array, with row-parallel 6-bit Algorithmic ADCs, row-parallel gray-scale image processors, pixel-parallel SIMD Processing Element (PE) array, and instruction controller. The resolution of the image in the chip is variable: high resolution for a focused area and low resolution for general view. It implements gray-scale and binary mathematical morphology algorithms in series to carry out low-level and mid-level image processing and sends out features of the image for various applications. It can perform image processing at over 1,000 frames/s (fps). A prototype chip with 64 × 64 pixels resolution and 6-bit gray-scale image is fabricated in 0.18 μm Standard CMOS process. The area size of chip is 1.5 mm × 3.5 mm. Each pixel size is 9.5 μm × 9.5 μm and each processing element size is 23 μm × 29 μm. The experiment results demonstrate that the chip can perform low-level and mid-level image processing and it can be applied in the real-time vision applications, such as high speed target tracking.
机译:提出了具有可变分辨率和行像素混合并行图像处理器的可编程视觉芯片。该芯片由一个CMOS传感器阵列,行并行6位算法ADC,行并行灰度图像处理器,像素并行SIMD处理元件(PE)阵列和指令控制器组成。芯片中图像的分辨率是可变的:用于聚焦区域的高分辨率和用于一般视图的低分辨率。它串行实现灰度和二进制数学形态学算法,以执行低级和中级图像处理,并为各种应用发送图像特征。它可以以超过1,000帧/秒(fps)的速度执行图像处理。采用0.18μm标准CMOS工艺制造具有64×64像素分辨率和6位灰度图像的原型芯片。芯片的面积为1.5 mm×3.5 mm。每个像素尺寸为9.5μm×9.5μm,每个处理元件尺寸为23μm×29μm。实验结果表明,该芯片可以执行低级和中级图像处理,并且可以应用于实时视觉应用,例如高速目标跟踪。

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