刚刚接触opencv，请问二值化最后一个type参数标红是什么原因

a62682868

threshold(imagesplit[0], binpic, 0, 255, CV_THRESH_OTSU);
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ihaoming

1. threshold types
   
2. Enumerator
   
3. THRESH_BINARY
   
4. Python: cv.THRESH_BINARY
   
5. dst(x,y)={maxval0if src(x,y)>threshotherwise
   
6. THRESH_BINARY_INV
   
7. Python: cv.THRESH_BINARY_INV
   
8. dst(x,y)={0maxvalif src(x,y)>threshotherwise
   
9. THRESH_TRUNC
   
10. Python: cv.THRESH_TRUNC
    
11. dst(x,y)={thresholdsrc(x,y)if src(x,y)>threshotherwise
    
12. THRESH_TOZERO
    
13. Python: cv.THRESH_TOZERO
    
14. dst(x,y)={src(x,y)0if src(x,y)>threshotherwise
    
15. THRESH_TOZERO_INV
    
16. Python: cv.THRESH_TOZERO_INV
    
17. dst(x,y)={0src(x,y)if src(x,y)>threshotherwise
    
18. THRESH_MASK
    
19. Python: cv.THRESH_MASK
    
20. THRESH_OTSU
    
21. Python: cv.THRESH_OTSU
    
22. flag, use Otsu algorithm to choose the optimal threshold value
    
23. 
    
24. THRESH_TRIANGLE
    
25. Python: cv.THRESH_TRIANGLE
    
26. flag, use Triangle algorithm to choose the optimal threshold value
    
27. 
    

复制代码

你这个是旧版的写法，最新版的opencv应该是THRESH_OTSU 。

lantianyihao

版本问题。下载最新的版本重新编译