一个halcon的图片转换成透明图片功能

这个是自己写的一个图片转换成透明格式的halcon程序

 1 read_image (VoiceOcr, 'D:/Qtprogram/Videographicsitem/iconsA/halconProcess/voice_ocr -2.jpg')
 2 
 3 count_channels (VoiceOcr, Channels)
 4 if(Channels==3)
 5     decompose3 (VoiceOcr, Image1, Image2, Image3)
 6     
 7     threshold(Image3, Region2, 200, 255)
 8     connection(Region2,ConnectedRegion2)
 9     select_shape (ConnectedRegion2, SelectedRegions2, 'area', 'and', 500, 9999999999)
10     
11     compose3 (Image3, Image3, Image3, MultiChannelImage)
12     reduce_domain(MultiChannelImage,SelectedRegions2, ImageReduced2)
13     
14     Image3 := ImageReduced2
15     
16     compose4 (Image3, Image3, Image3, Image3, MultiChannelImage)
17     write_image (MultiChannelImage, 'tiff', 0, 'D:/Qtprogram/Videographicsitem/iconsA/halconProcess/voice_3')
18     
19     *compose3 (Image3, Image3, Image3,  MultiChannelImage)
20     *write_image (MultiChannelImage, 'png', 0, 'D:/Qtprogram/Videographicsitem/iconsA/halconProcess/voice_1K')
21     stop()
22 elseif(Channels==4)
23     decompose4 (VoiceOcr, Image1, Image2, Image3,Image4)
24     compose4 (Image3, Image3, Image3, Image3, MultiChannelImage)
25     write_image (MultiChannelImage, 'tiff', 0, 'D:/Qtprogram/Videographicsitem/iconsA/halconProcess/voice_1')
26 endif

本意是先拆分图片从3通道在到单通道，选择自己需要部分，

在合成4通道图片，透明图片是tiff写入的，然后在重命名改成png格式就可以了，这用作图标，改背景有的用

posted on 2024-11-29 14:14 七星落地阅读(2) 评论(0) 编辑收藏举报