matlab 可视化 —— 高级 api(montage)、insertObjectAnnotation、insertMaker

xiaoxiao2021-02-28  88

1. montage:同时显示多个图像

thumbnails = train_x(:, :, :, 1:100); thumbnails = imresize(thumbnails, [64, 64]); montage(thumbnails)

montage(I) displays all the frames of a multiframe image array I in a single image object. :将多帧图像序列 I (无论单帧图像是灰度还是彩色的,传入的参数 I 必须是 4 维俱珍)的全部图像帧,在一个单独的图像对象中; I(传入的参数 I) can be a sequence of binary, grayscale, or truecolor images. A binary or grayscale image sequence must be an M-by-N-by-1-by-K array.:灰度图像,第三维是 1,K 表示灰度图像的个数;A truecolor image sequence must be an M-by-N-by-3-by-K array:彩色图像,K 代表灰度图像的个数;

2. insertObjectAnnotation:在图像中插入形状和文本

RGB = insertObjectAnnotation(I,shape,position,label,Name,Value)

3. insertMaker

RGB = insertMarker(I,position,marker)

maker 的映射信息主要有下:

‘o’:’circle’‘x’:’x-mark’ ‘+’:’plus’ ‘*’:’star’ ’s’:’square’
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