Top "Opencv3.0" questions

OpenCV (Open Source Computer Vision) is a library for real time computer vision.

How to compress png file with opencv in python?

I tried this code: compression_params = [cv2.CV_IMWRITE_PNG_COMPRESSION, 9] img = cv2.imread('img1.png', cv2.IMREAD_UNCHANGED) cv2.…

image python-3.x numpy opencv3.0
CMake error when building OpenCV - CMakeLists not match

I tried to build OpenCV 3.1.0 on my Raspberry Pi 2B. Unfortunetly, when I trying: cmake -D CMAKE_BUILD_TYPE=RELEASE \ …

c++ opencv cmake raspberry-pi opencv3.0
AttributeError: 'module' object has no attribute 'ORB'

when I run my python code import numpy as np import cv2 import matplotlib.pyplot as plt img1 = cv2.imread(…

python opencv opencv3.0
OpenCV 3.0 LineIterator

I want to use the LineIterator in OpenCV 3.0 using Python, is it still available with OpenCV 3.0 built for Python? It …

python opencv opencv3.0
Caffe: opencv error

I've built opencv 3.0 from source and can run a few sample apps, build against the headers ok so I presume …

c++ opencv python-3.x opencv3.0 caffe
Opencv error -Unsupported depth of input image:

I am trying to convert a normalised RGB image to HSV or LAB colour space. Here is the normalisation function: …

python opencv image-processing opencv3.0
KNN train() in cv2 with opencv 3.0

I'm trying to run k-nearest neighbours using cv2 (python 2.7) and opencv 3.0. I've replicated the same error message using code like …

python opencv3.0 knn
OpenCV findContours in python

I am working in python on openCV 3.0. In order to find the largest white pixel region, first of all thresholded …

python opencv3.0
cannot unpack non-iterable numpy.float64 object python3 opencv

I am getting this error and cant understand why the issue is appearing. Below will be the code and error. …

python python-3.x numpy opencv opencv3.0
CMake "failed to run MSBUILD.exe" command error

When I want to create visual studio 15(2017) make files for opencv 3.3.0, it gives me this error message: error in configuration …

visual-studio configuration cmake opencv3.0