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    • 3. 发明专利
    • Digital image processor
    • 空值
    • JP3524250B2
    • 2004-05-10
    • JP568696
    • 1996-01-17
    • キヤノン株式会社
    • 裕司 井上昌明 今泉利昭 信宮衞 田中
    • G06F15/18G06N3/00G06N3/063G06T1/20G06T1/40G06T7/00H04N1/405
    • G06T1/20G06N3/063
    • Taking into consideration the disadvantage that a large-scale analog neural network cannot be constructed as an LSI and, even if this were possible, the cost would be prohibitive and the network would lack universality, a digital image processor for processing input image data based upon a cellular neural network is provided with a first multiply-and-accumulate arithmetic unit for digitally processing multiplication and accumulation of input image data of a plurality of pixels and input weighting values in a predetermined area, a second multiply-and-accumulate arithmetic unit for digitally processing multiplication and accumulation of output image data of a plurality of pixels and output weighting values in a predetermined area, third multiply-and-accumulate arithmetic means for digitally processing multiplication and accumulation of output value data of a proceeding frame image and second output weighting values, and a non-linear acting unit for deciding output image data in accordance with results of calculation from the first, second and third multiply-and-accumulate arithmetic unit and non-linear characteristic parameters. This makes it possible to realize an image processor which excels in universality, ease of control and ease of integration.
    • 考虑到大规模模拟神经网络不能构建为LSI的缺点,即使这是可能的,成本将是过高的,并且网络将缺乏普遍性,用于基于以下方式处理输入图像数据的数字图像处理器 细胞神经网络设置有第一乘法运算单元,用于数字处理多个像素的输入图像数据的乘法和累积以及预定区域中的输入加权值;第二乘法和累加算术单元,用于 数字处理多个像素的输出图像数据的相乘和累积,并在预定区域中输出加权值;第三乘法和累加运算装置,用于数字处理进行帧图像的输出值数据的乘积和累积;以及第二输出加权 值,以及用于根据一个决定输出图像数据的非线性动作单元 e与第一,第二和第三乘法运算单元和非线性特征参数的计算结果。 这使得可以实现在普遍性,易于控制和易于集成方面优异的图像处理器。