Top 15 Opencv 215 Assertion Failed 3285 People Liked This Answer

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error: (-215:Assertion failed) !empty() in function ‘cv::CascadeClassifier::detectMultiScale

python 3.x – OpenCV(4.1.0) error: (-215:Assertion failed) – Stack Overflow

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Summary of article content: Articles about python 3.x – OpenCV(4.1.0) error: (-215:Assertion failed) – Stack Overflow error 215 assertion failed usually occurs when the image is not loading correctly, so check the path of the image. …
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python 3.x – OpenCV(4.1.0) error: (-215:Assertion failed) – Stack Overflow

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Summary of article content: Articles about cv2.error: OpenCV(4.1.0) C:\projects\opencv-python\opencv\modules\imgproc\src\color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’ · Issue #933 · ageitgey/face_recognition · GitHub This a secondary error that basically just means the image you are trying to process dn’t load and was empty. If you grabbed the image dara from the camera, … …
Most searched keywords: Whether you are looking for cv2.error: OpenCV(4.1.0) C:\projects\opencv-python\opencv\modules\imgproc\src\color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’ · Issue #933 · ageitgey/face_recognition · GitHub This a secondary error that basically just means the image you are trying to process dn’t load and was empty. If you grabbed the image dara from the camera, … face_recognition version:4.1.0 Python version:3.7 Operating System:windows 10 Description I’m having problem to run this program, the error under below gray = cv2.cvtColor(im,cv2.COLOR_BGR2GRAY) cv2.error: OpenCV(4.1.0) C:\projects\openc…
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error OpenCV(420) Cprojectsopencv-pythonopencvmodulesimgprocsrccolorcpp182 error (-215Assertion failed) !_srcempty() in function ‘cvcvtColor’

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cv2.error: OpenCV(4.1.0) C:\projects\opencv-python\opencv\modules\imgproc\src\color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function 'cv::cvtColor' · Issue #933 · ageitgey/face_recognition · GitHub — cv2.error: OpenCV(4.1.0) C:\projects\opencv-python\opencv\modules\imgproc\src\color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’ · Issue #933 · ageitgey/face_recognition · GitHub

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Summary of article content: Articles about python – error: (-215:Assertion failed) – Data Science Stack Exchange Regarding the error you are getting, this is likely caused by the fact that your image is not being read in correctly in the line before … …
Most searched keywords: Whether you are looking for python – error: (-215:Assertion failed) – Data Science Stack Exchange Regarding the error you are getting, this is likely caused by the fact that your image is not being read in correctly in the line before …
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python – error: (-215:Assertion failed) – Data Science Stack Exchange

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Summary of article content: Articles about [Solved] cv2.error: OpenCV(4.5.2) color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’ To Solve cv2.error: OpenCV(4.5.2) color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’ Error Please check … …
Most searched keywords: Whether you are looking for [Solved] cv2.error: OpenCV(4.5.2) color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’ To Solve cv2.error: OpenCV(4.5.2) color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’ Error Please check … To Solve cv2.error: OpenCV(4.5.2) color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’ Error Please check i
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How cv2error OpenCV(452) colorcpp182 error (-215Assertion failed) !_srcempty() in function ‘cvcvtColor’ Error Occurs

How To Solve cv2error OpenCV(452) colorcpp182 error (-215Assertion failed) !_srcempty() in function ‘cvcvtColor’ Error

Solution 1 Check Image path

Solution 2 wrong image location

Solution 3 Give Full Path

Summary

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[Solved] cv2.error: OpenCV(4.5.2) color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’

Hello Guys, How are you all? Hope You all Are Fine. Today I am just trying to read image through cv2 in my code and I am facing following error cv2.error: OpenCV(4.5.2) color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’ in python. So Here I am Explain to you all the possible solutions here.

Without wasting your time, Let’s start This Article to Solve This Error.

How cv2.error: OpenCV(4.5.2) color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’ Error Occurs ?

I am just trying to read image through cv2 in my code and I am facing following error.

cv2.error: OpenCV(4.5.2) C:\Users\ssc\AppData\Local\Temp\pip-req-build-vi271kac\opencv\modules\imgproc\src\color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’

How To Solve cv2.error: OpenCV(4.5.2) color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’ Error ?

How To Solve cv2.error: OpenCV(4.5.2) color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’ Error ? To Solve cv2.error: OpenCV(4.5.2) color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’ Error Please check image path. This error usually occurs when image is not loaded correctly in any way. Second solution is You might given wrong image location. Or esle try to assign diffrent path. Third Solution is I just give full path and that was worked for me. cv2.error: OpenCV(4.5.2) color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’ To Solve cv2.error: OpenCV(4.5.2) color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’ Error Please check image path. This error usually occurs when image is not loaded correctly in any way. Second solution is You might given wrong image location. Or esle try to assign diffrent path. Third Solution is I just give full path and that was worked for me.

Solution 1: Check Image path

Please check image path. This error usually occurs when image is not loaded correctly in any way.

Here is how this error occurs.

import cv2 im = cv2.imread(“WRONG IMAGE ADDRESS.jpg”, 1) im = cv2.cvtColor(im, cv2.COLOR_RGB2GRAY) // Now we will face this error. cv2.error: OpenCV(4.5.2) C:\Users\ssc\AppData\Local\Temp\pip-req-build-vi271kac\opencv\modules\imgproc\src\color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’

Try to giving the image address directly; something like

im = cv2.imread(“D:\\your_image.jpg”, 1)

Solution 2: wrong image location

You might given wrong image location. Or esle try to assign diffrent path.

im = cv2.imread(“../images/car.jpg”,1)

Solution 3: Give Full Path

I just give full path and that was worked for me.

im = cv2.imread(“D:\My_Image\CANON80D\dang\fvrt.jpg”,1)

Summary

It’s all About this issue. Hope all solution helped you a lot. Comment below Your thoughts and your queries. Also, Comment below which solution worked for you?

Also, Read

[FIXED] OpenCV(4.1.0) error: (-215:Assertion failed)

Issue

I am following this tutorial series: https://www.youtube.com/watch?v=A4K6D_gx2Iw&list=PLQVvvaa0QuDfhTox0AjmQ6tvTgMBZBEXN&index=6

When I try to use the model outside the program by prediction it gives me the following error: error: OpenCV(4.1.0) /Users/travis/build/skvark/opencv-python/opencv/modules/imgproc/src/resize.cpp:3718: error: (-215:Assertion failed) !ssize.empty() in function ‘resize’

Below the code when loading the model:

import cv2 import tensorflow as tf CATEGORIES = [“Dog”, “Cat”] import cv2 import tensorflow as tf CATEGORIES = [“Dog”, “Cat”] def prepare(filepath): IMG_SIZE = 50 img_array = cv2.imread(filepath, cv2.IMREAD_GRAYSCALE) #return img_array.reshape(-1, IMG_SIZE, IMG_SIZE, 1) new_array = cv2.resize(img_array, (IMG_SIZE, IMG_SIZE)) return new_array.reshape(-1, IMG_SIZE, IMG_SIZE, 1) # model = tf.keras.models.load_model(‘iyad’) # predication = model.predict([prepare(“Dog.jpg”)]) print(predication)

Solution

It tells you the size of the original image is 0, corresponding to when you read from img_array = cv2.imread(filepath, cv2.IMREAD_GRAYSCALE) . Check if you do have that picture Dog.jpg loaded.

Answered By – stormzhou

v2.error: OpenCV(4.5.5) error: (-215:Assertion failed) npoints ＞ 0 in function ‘cv::drawContours‘

Error Messages: cv2.drawContours(thresh_Contours, cnts, -1, (0, 0, 255), 3)

cv2.error: OpenCV(4.5.5) D:\a\opencv-python\opencv-python\opencv\modules\imgproc\src\drawing.cpp:2502: error: (-215:Assertion failed) npoints > 0 in function ‘cv::drawContours’

Reason: Different Opencv versions cause errors

cnts = cv2.findContours(thresh.copy(), cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)[1] cv2.drawContours(thresh_Contours, cnts, -1, (0, 0, 255), 3)

Correction method: change “1” to “0”

cnts = cv2.findContours(thresh.copy(), cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)[0] cv2.drawContours(thresh_Contours, cnts, -1, (0, 0, 255), 3)

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So you have finished reading the opencv 215 assertion failed topic article, if you find this article useful, please share it. Thank you very much. See more: Opencv assertion failed, Assertion failed python opencv, Cv2 error OpenCV(4.5 3), error: (-215:assertion failed) !_src.empty() in function ‘cv::cvtcolor’, 215:Assertion failed (size width 0 && size height 0 in function imshow), Cv2 imread, Error 215 assertion failed number max_number in function cv icvExtractPattern, Error: (-215:Assertion failed src empty in function ‘cv gaussianblur)

Top 15 Opencv 215 Assertion Failed 3285 People Liked This Answer

python 3.x – OpenCV(4.1.0) error: (-215:Assertion failed) – Stack Overflow

cv2.error: OpenCV(4.1.0) C:\projects\opencv-python\opencv\modules\imgproc\src\color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’ · Issue #933 · ageitgey/face_recognition · GitHub

python – error: (-215:Assertion failed) – Data Science Stack Exchange

[Solved] cv2.error: OpenCV(4.5.2) color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’

[FIXED] OpenCV(4.1.0) error: (-215:Assertion failed) ~ PythonFixing

v2.error: OpenCV(4.5.5) error: (-215:Assertion failed) npoints ＞ 0 in function ‘cv::drawContours‘ | ProgrammerAH

v2.error: OpenCV(4.5.5) error: (-215:Assertion failed) npoints ＞ 0 in function ‘cv::drawContours‘ | ProgrammerAH

[Solved] cv2.error: OpenCV(4.5.2) color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’

[FIXED] OpenCV(4.1.0) error: (-215:Assertion failed)

v2.error: OpenCV(4.5.5) error: (-215:Assertion failed) npoints ＞ 0 in function ‘cv::drawContours‘

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