图像数据的直方图据/p>
[据a href="#buo3qek-1-counts" class="intrnllnk">
计算灰度图像的直方图据Code class="argument">一世据/code>.这个据Code class="literal">im据/code>函数返回直方图计数据Code class="argument">算据/code>以及垃圾箱在中的位置据Code class="argument">宾馆据/code>.这个Number of bins in the histogram is determined by the image type.据/p>
算据/code>那据a href="#buo3qek-1-binLocations" class="intrnllnk">
宾馆据/code>] = imhist(据a href="#buo3qek-1-I" class="intrnllnk">
一世据/code>)据/code>
[据a href="#buo3qek-1-counts" class="intrnllnk">
指定箱数,据Code class="argument">N据/code>,用于计算直方图。据/p>
算据/code>那据a href="#buo3qek-1-binLocations" class="intrnllnk">
宾馆据/code>] = imhist(据a href="#buo3qek-1-I" class="intrnllnk">
一世据/code>那据a href="#buo3qek-1-n" class="intrnllnk">
N据/code>)据/code>
[据a href="#buo3qek-1-counts" class="intrnllnk">
计算索引图像的直方图据Code class="argument">X据/code>用Colormap.据Code class="argument">CMAP.据/code>.这个直方图has one bin for each entry in the colormap.据/p>
算据/code>那据a href="#buo3qek-1-binLocations" class="intrnllnk">
宾馆据/code>] = imhist(据a href="#buo3qek-1-X" class="intrnllnk">
X据/code>那据a href="#buo3qek-1-map" class="intrnllnk">
CMAP.据/code>)据/code>
伊姆斯特(据span class="argument_placeholder">___据/span>)据/code>
显示柱状图。如果输入图像是索引图像,则柱状图显示颜色贴图颜色栏上方的像素值分布据a href="#buo3qek-1-map" class="intrnllnk">CMAP.据/code>。据/p>
对于灰度图像,据a href="#buo3qek-1-n" class="intrnllnk">
在哪里据span class="emphasis">X据/em>是强度值。比例因子据em class="varname">一种据/em>和抵消据em class="varname">B.据/em>取决于图像类的类型,如下所示:据/p>
N据/code>柱状图的每个箱子都是宽度的半开间隔据span class="inlineequation">一种据/em>/(据em class="varname">N据/em>−1)据/span>。特别是据span class="inlineequation">P.据/em>TH.据/span>垃圾箱是半开放的间隔据/p>
数据类型据/th>
一种据/em>
B.据/em>
双倍的据/code>
1据/code>
0.据/code>
单身的据/code>
1据/code>
0.据/code>
INT8.据/code>
255.据/code>
128.据/code>
int16据/code>
65,535据/code>
32,768据/code>
INT32.据/code>
4,294,967,295据/code>
2,147,483,648据/code>
uint8.据/code>
255.据/code>
0.据/code>
uint16据/code>
65,535据/code>
0.据/code>
UINT32据/code>
4,294,967,295据/code>
0.据/code>
逻辑据/code>
1据/code>
0.据/code>
显示直方图据a href="#buo3qek-1-counts" class="intrnllnk">算据/code>和据a href="#buo3qek-1-binLocations" class="intrnllnk">
宾馆据/code>,使用命令据Code class="literal">
干据/code>
(位置、计数)据/code>。据/p>
组合据/code>
|据span itemscope itemtype="//www.tianjin-qmedu.com/help/schema/MathWorksDocPage/SeeAlso" itemprop="seealso">直方图据/code>
|据span itemscope itemtype="//www.tianjin-qmedu.com/help/schema/MathWorksDocPage/SeeAlso" itemprop="seealso">干据/code>