智能车制作
标题:
为什么我采集的图像数据隔行才有黑线?
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作者:
styl_007
时间:
2008-6-6 10:46
标题:
为什么我采集的图像数据隔行才有黑线?
<
><STRONG>以下是我采集的竖直黑线图像数据(0为黑,f为白),一直搞不明白为什么隔行才有黑线出现,</STRONG></P><P><STRONG>排除单行的错位和阈值问题的可能,程序也检查好几遍,没问题。但就是搞不明白?求各位帮忙分析下?感谢。</STRONG></P><P><STRONG>B7000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFFFFFFFFFFFFFF <BR>B8000000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF <BR>B9000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFFFFFFFFFFFF <BR>BA000000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF <BR>BB00000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFFFFFFFFFFFF <BR>BC00000000000000FFFFFFFFFFFFFFFFFFFFFFFF00000000000000FFFFFFFFFFFFFFFFFFFFFFFF00 <BR>BD00000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFFFFFFFFFF <BR>BE0000000000000000FFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFFFFFFFFFFFFFF00 <BR>BF0000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF <BR>C00000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00000000000000FFFFFFFFFFFFFFFFFFFFFFFF <BR>C10000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF <BR>C2000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFFFFFFFFFFFFFF <BR>C3000000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000 <BR>C4000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFFFFFFFFFFFF <BR>C5000000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000 <BR>C600000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFFFFFFFFFFFF <BR>C700000000000000FFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFFFFFFFFFFFFFFFF00 <BR>C800000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFF00000000 <BR>C90000000000000000FFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFFFFFFFFFFFFFF00 <BR>CA0000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000 <BR>CB0000000000000000FFFFFFFFFFFFFFFFFFFFFFFF00000000000000FFFFFFFFFFFFFFFFFFFFFFFF <BR>CC0000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000 <BR>CD000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFFFFFFFFFFFFFF<BR>CE000000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000F <BR>CF000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF00000000000000FFFFFFFFFFFFFFFFFFFFFF <BR>D0000000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000 <BR>D100000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFFFFFFFFFFFF <BR>D200000000000000FFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFFFFFFFFFFFFFFFF00 <BR>D300000000000000000000FFFFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFF00000000 <BR>D400000000000000FFFFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFFFFFFFFFFFFFF00 <BR>D50000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFF00000000 <BR>D60000000000000000FFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFFFFFFFFFFFFFFFF <BR>D70000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000 <BR>D8000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFF000000000000 <BR>D9000000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000 <BR>DA000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF00000000000000FFFFFFFFFFFF0000000000 <BR>DB000000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000 <BR>DC00000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFF0000000000 <BR>DD00000000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 <BR>DE00000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF00000000000000FFFFFFFFFFFF00000000 <BR>DF00000000000000FFFFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFF00000000000000 <BR>E00000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFF00000000</STRONG> </P><P> </P>
作者:
whut_wj
时间:
2008-6-7 19:45
标题:
Re:为什么我采集的图像数据隔行才有黑线?
<
>时序没处理好吧,每行的点太多了.</P><P>最好用示波器看看,行中断完了的时候一行的数据是不是刚好收完.</P>
作者:
styl_007
时间:
2008-6-8 02:35
标题:
Re:为什么我采集的图像数据隔行才有黑线?
<
>谢了.</P><P>解决了,原因是参数没设置好。</P><P>把ATD0CTL4设置为0x81就好了。我原本设置的是0x88。</P><P>按公式来AD频率=总线频率*0.5/(PRS+1 )</P><P>我的总线频率是32M,这样0x81对应的AD频率为8M,而0X88为32/18=1.7M</P><P>我想不通,AD频率应该是500k--2M范围。</P><P>想不通?</P><P>想不通?</P><P>可偏偏0x81下AD正常工作。</P><P>希望大家在设置时注意下。</P>
作者:
li331374761
时间:
2012-7-7 23:23
都是08年的事了!!! 还记得G128的ATD允许的频率范围吗?
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