TypeError Expected Ptr cv UMat for argument s

0 votes

Hey I got 

'' TypeError: Expected Ptr<cv::UMat> for argument '%s' '' such kind of error during writing image. what should I do??

Oct 15, 2020 in Python by anonymous
• 10,480 points

1 answer to this question.

0 votes

src is the first argument to cv2.cvtColor.

The error you are getting is because it is not the right form. cv2.Umat() is functionally equivalent to np.float32(), so your last line of code should read:

gray = cv2.cvtColor(np.float32(imgUMat), cv2.COLOR_RGB2GRAY)
answered Oct 15, 2020 by anonymous
• 65,970 points

Related Questions In Python

0 votes
1 answer

Python error "TypeError: range() integer end argument expected, got numpy.float64."

Hi @Kashish, try something like this: for i ...READ MORE

answered May 27, 2019 in Python by Harish
0 votes
1 answer

Error saying "TypeError: range() integer end argument expected"

Try this: [x * 0.01 for x in ...READ MORE

answered May 27, 2019 in Python by Keshav
0 votes
1 answer

Python error "TypeError: 'encoding' is an invalid keyword argument for this function"

Trying using the io module for this ...READ MORE

answered Aug 2, 2019 in Python by Vaishali

edited Oct 7 by Sarfaraz 8,878 views
0 votes
1 answer

text = _whitespace_only_re.sub('', text) TypeError: expected string or bytes-like object

This seems like an issue with textwrap ...READ MORE

answered Feb 13, 2019 in Python by Omkar
• 69,150 points
0 votes
2 answers
+1 vote
2 answers

how can i count the items in a list?

Syntax :            list. count(value) Code: colors = ['red', 'green', ...READ MORE

answered Jul 7, 2019 in Python by Neha
• 330 points

edited Jul 8, 2019 by Kalgi 2,477 views
0 votes
1 answer
+5 votes
6 answers

Lowercase in Python

You can simply the built-in function in ...READ MORE

answered Apr 11, 2018 in Python by hemant
• 5,810 points
0 votes
3 answers

TypeError: unsupported operand type(s) for -: 'str' and 'str'

& is "bitwise and" operand in Python, you ...READ MORE

answered Dec 11, 2020 in Python by Rajiv
• 8,910 points
0 votes
1 answer

I've been trying to run this code, but the error says "Expected an indented block" for the line, " word_as_list[index] = guess."

Hi, @Paradox, The error message IndentationError: expected an indented ...READ MORE

answered Nov 21, 2020 in Python by anonymous
• 65,970 points