The imshow is a function from the matplotlib library that displays an image on the axes.
The imshow is a function from the matplotlib library that displays an image on the axes.
References:
See also:
Questions tagged [imshow]
806 questions
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How to display matrices from a 3D cv::Mat array via imshow using Opencv in C++
I have an array of images as follows:
int width = 5, height = 4, n = 3; // example --> 3 images of size 5x4
int sz[] = {width, height, n};
cv::Mat array(3, sz, CV_8UC1, cv::Scalar::all(0));
Now I would like to display the images. I tried something…
jkl
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Matlab GUI axes extract position from datacursor
hope anyone can help me.
I try to load and display a image in my GUI.
After that i activate datacursormode. Now I want to extract the position from my datacursor object and save the informations into a global variable to work on this data.
Here is…
AngelsEnd
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Matplotlib crash in gui
I would like to draw a matrix with imshow with tkinter in a gui. The problem is that after further updates, the gui crash. I don't manage to find answer on the web. You could help me please?
The code:
from numpy import *
from Tkinter import *
import…
charette
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Matplotlib imshow is ignoring cmap, vmin, vmax for ax.imshow subplots
I am trying to make subplots of small images of data and I am finding it completely impossible to adjust the cmap/vmin/vmax for any of these images. No matter what I can't figure out how to change the colour map and the limits, I don't have any idea…
theevilnerd42
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1 answer
Can I display 2 images at the same time at python?
I'm working now with image processing and for debugging I want to see both the image before processing and after.
I'm using pycharm.
Can I display 2 images, one at a window, at the same time?
vered
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C++ program hangs on imshow command
I have some C++-Code which for some reason keeps hanging.
This is the code:
using namespace std;
using namespace cv;
int main(int argc, char** argv) {
cout <<"started";
Mat im(256, 256, CV_8UC1, cv::Scalar(255));
for (int j = 0; j < 255; j++) {
…
user1862770
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What is wrong in this code as it is not giving output picture?
The code is not giving the output picture
import numpy as np
import cv2 as cv
img = cv.imread('Picture1.jpg',0)
cv.imshow('image',img)
cv.waitKey(0)
cv.imwrite('Picture1.jpg',img)
cv.destroyAllWindows()
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votes
1 answer
How to change colors on my Python's cv2 diagram
I have this piece of code that draws a meter for a given percentage value. How can I change it to get two parameters for bottom color and top color (i.e. a shade from color1 to color2, like light green to dark green in this example). Also, a x, y…
Tina J
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