halcon 识别遥控器显示数字

图片是在网上找的

dev_close_window ()
dev_open_window (0, 0, 512, 512, 'black', WindowHandle)
read_image (Image, 'E:/halcon学习笔记/遥控器 温度识别/20190608130746466.png')
rgb1_to_gray (Image, GrayImage)
draw_rectangle2 (WindowHandle, Row, Column, Phi, Length1, Length2)
gen_rectangle2 (Rectangle, Row, Column, Phi, Length1, Length2)
reduce_domain (GrayImage, Rectangle, ImageReduced)
area_center (Rectangle, Area, Row1, Column1)
vector_angle_to_rigid (Row1, Column1, Phi, Row1, Column1, 0, HomMat2D)
affine_trans_region (Rectangle, RegionAffineTrans, HomMat2D, 'nearest_neighbor')
affine_trans_image (ImageReduced, ImageAffineTrans, HomMat2D, 'constant', 'false')
reduce_domain (ImageAffineTrans, RegionAffineTrans, ImageReduced1)
threshold (ImageReduced1, Region, 100, 150)
connection (Region, ConnectedRegions)
select_shape (ConnectedRegions, SelectedRegions, ['rect2_len1','rect2_len2'], 'and', [19,15],[20,16] )

 sort_region (SelectedRegions, SortedRegions, 'first_point', 'true', 'column')
read_ocr_class_mlp ('Industrial_0-9_NoRej.omc', OCRHandle)
do_ocr_multi_class_mlp (SortedRegions, ImageReduced1, OCRHandle, Class, Confidence)
dev_disp_text (Class, 'window', 0, 0, 'black', [], [])