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IMAGE PROCESSING APPARATUS
申请公布号：JP2002077619(A)
申请号：JP20000265631
申请日期：2000.09.01
申请公布日期：2002.03.15
发明人：NAIKI TAKASHI;NISHIDE HIROSHI;MIYAMURA MAKOTO
分类号：H04N5/202;G06T5/00;G06T5/50;H04N1/407;H04N1/46;H04N1/60;H04N5/20;H04N5/243;H04N9/73;(IPC1-7):H04N1/407
主分类号：H04N5/202
摘要：PROBLEM TO BE SOLVED: To provide an image processing apparatus capable of forming an image easy to see by widening a band of output voltage obtained from a logarithmic sensor to emphasize the contrast. SOLUTION: The image processing apparatus receives output voltage of a logarithmic transformation image sensor which outputs a voltage in logarithmic relation to the intensity of received light, segments the output voltage in accordance with its distribution, and specifies only effective pixel data as a target to be processed. Then, the simple processing apparatus regards the relationship between the voltage value and the light intensity to be linear to perform an image transformation for enlarging the voltage band, thereby forming an image easy to see.
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