ValueError: total size of new array must be unchanged

I had the same issue. I found that I changed the data length. A product of reshape arguments should be equal to a length of an array which you are changing. In your case:

des = np.array(des,np.float32).reshape(1, len(des))

Related Posts:

  1. How to resize an image with OpenCV2.0 and Python2.6
  2. inverting image in Python with OpenCV
  3. Cannot find module cv2 when using OpenCV
  4. Cannot find module cv2 when using OpenCV
  5. ImportError: numpy.core.multiarray failed to import
  6. import opencv vs import cv2
  7. Cannot find module cv2 when using OpenCV
  8. ImportError: DLL load failed: %1 is not a valid Win32 application. But the DLL’s are there
  9. ImportError: numpy.core.multiarray failed to import
  10. ImportError: DLL load failed: %1 is not a valid Win32 application. But the DLL’s are there
  11. Permission denied error by installing matplotlib
  12. How do I install Python OpenCV through Conda?
  13. How can I upgrade NumPy?
  14. Difference in output with waitKey(0) and waitKey(1)
  15. numpy with python: convert 3d array to 2d
  16. ImportError: libSM.so.6: cannot open shared object file: No such file or directory
  17. explain arguments meaning in res = cv2.bitwise_and(img,img,mask = mask)
  18. OpenCV NoneType object has no attribute shape
  19. What does bitwise_and operator exactly do in openCV?
  20. SystemError: new style getargs format but argument is not a tuple?
  21. ImportError: No module named ‘cv2’ Python3
  22. Cannot import cv2 in python in OSX
  23. ImportError: No module named cv2
  24. RuntimeWarning: overflow encountered in ubyte_scalars
  25. OpenCV NoneType object has no attribute shape
  26. Installing opencv on Windows 10 with python 3.6 and anaconda 3.6
  27. How to crop an image in OpenCV using Python
  28. SystemError: new style getargs format but argument is not a tuple?
  29. TypeError: Image data can not convert to float
  30. TypeError: Image data can not convert to float
  31. cmake error ‘the source does not appear to contain CMakeLists.txt’
  32. How does cv2.boundingRect() function of OpenCV work?
  33. OpenCV houghLinesP parameters
  34. Python OpenCV2 (cv2) wrapper to get image size?
  35. How can I reverse a list in Python?
  36. Searching the student-t distribution table for values using python
  37. How to declare an array in Python?
  38. Praw & Discord.py: The bot keep sending the same meme. I want the bot to send different meme whenever it is asked
  39. What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
  40. How to reset index in a pandas dataframe? [duplicate]
  41. Python: Find in list
  42. TypeError: cannot perform reduce with flexible type
  43. syntaxerror: “unexpected character after line continuation character in python” math
  44. ValueError : I/O operation on closed file
  45. How to set environment variables in Python?
  46. I keep getting this error for my simple python program: “TypeError: ‘float’ object cannot be interpreted as an integer”
  47. Numpy std calculation: TypeError: cannot perform reduce with flexible type
  48. Regex: AttributeError: ‘NoneType’ object has no attribute ‘groups’
  49. Internal Redirect in Flask
  50. Matplotlib automatic legend outside plot
  51. Syntax behind sorted(key=lambda: …)
  52. convert nan value to zero
  53. How to install pip3 on Windows?
  54. Is there a NumPy function to return the first index of something in an array?
  55. Tkinter scrollbar for frame
  56. Create own colormap using matplotlib and plot color scale
  57. The difference between ‘+=’ and ‘=+’?
  58. How to fix “Attempted relative import in non-package” even with __init__.py
  59. Sorting a set of values
  60. Git Bash won’t run my python files?
  61. Can only use .dt accessor with datetimelike values
  62. Convert XML to CSV file
  63. Checking whether pip is installed?
  64. How to downgrade python from 3.7 to 3.6
  65. How to turn on line numbers in IDLE?
  66. How to use an image for the background in tkinter?
  67. Python locale error: unsupported locale setting
  68. sklearn Logistic Regression “ValueError: Found array with dim 3. Estimator expected <= 2."
  69. Sqlite3, OperationalError: unable to open database file
  70. What does ‘index 0 is out of bounds for axis 0 with size 0’ mean?
  71. How to return dictionary keys as a list in Python?
  72. ImportError: libGL.so.1: cannot open shared object file: No such file or directory
  73. Python List object attribute ‘append’ is read-only
  74. Infinite for loops possible in Python?
  75. RuntimeError: module compiled against API version a but this version of numpy is 9
  76. Python3 Error: TypeError: Can’t convert ‘bytes’ object to str implicitly
  77. Coalesce values from 2 columns into a single column in a pandas dataframe
  78. Unknown format code ‘f’ for object of type ‘str’- Folium
  79. Pyinstaller setting icons don’t change
  80. No module named ‘tqdm’
  81. Compute a confidence interval from sample data
  82. Can’t get Python to import from a different folder
  83. convert csv file to list of dictionaries
  84. What’s the difference between “virtualenv” and “-m venv” in creating Virtual environments(Python)
  85. OperationalError: database is locked
  86. Must have equal len keys and value when setting with an iterable
  87. print(__doc__) in Python 3 script
  88. Convert a 1D array to a 2D array in numpy
  89. How to print a linebreak in a python function?
  90. Pandas dataframe groupby plot
  91. Download Returned Zip file from URL
  92. Python 3 TypeError: must be str, not bytes with sys.stdout.write()
  93. tkinter gui layout using frames and grid
  94. How do I represent and work with n-bit vectors in Python?
  95. How to repeat individual characters in strings in Python
  96. ValueError: Cannot set a frame with no defined index and a value that cannot be converted to a Series
  97. SMTP AUTH extension not supported by server
  98. How to install PyQt4 on Windows using pip?
  99. How to install PyQt4 on Windows using pip?
  100. python dictionary error AttributeError: ‘list’ object has no attribute ‘keys’

Leave a Comment