All Questions

I have two RGB images of representing plot of a scalar variable on some geometry. My goal is to find a way to plot the difference of that variable btween the two images and color it with a custom ...

This is a binary image, I want to calculate the distance between two edges of the pixel, then display it on a drawing board. I handle it when it does not have branches, but when it has branches like ...

Here is a simple code which puts a text value onto a black frame and displays it: frame = np.zeros((50,200,3)) org=(0,45) font=cv2.FONT_HERSHEY_SIMPLEX fontScale=1 fontColor=(1,0,0) ##rgb out_img =...

I am trying to rotate an image about a specific line drawn within the image. Think of the image of a random 2D numpy array. I have two specific points in the array through which I would like to plot a ...

What is the problem of this piece of code? It modifies the values but when it wants to show me the actual modified image, it will show me the original image again. Am I doing something wrong? And let ...

I am doing some image processing in Python. I was originally using PIL to display my image but the output didn't look right to me so I used matplotlib instead and that seems to result in the output I ...

can I remove MSB bit of a image without using open cv or matlab in python img = Image.open(image) arrayimg = asarray(img) i have already read the image nd it is converted to array too, now i want to ...

I'm processing a file of images that are in encoded in RGB and contain material. The material is any non-background pixel with the background being purple or RGB(37, 150, 190) At the moment I have 2 ...

I am working on a project for detecting lines using threshold values in HLS image format. I wrote the following code for it. It is not giving any errors but the output I am getting is just a black ...

I'm trying to find all red pixels in a png file and output a binary image file, and I feel like I'm close. I have to use double for loops as it's a requirement for my assignment. this is is what I ...

I have a grayscale image with size (1920,1080) that I''m trying to create a mask for. I used an external software to manually get the points of interest (polygon). There are now 27 coordinates points ...

I was trying to make a filter in python to achieve oil painting effect. It seems that the filter works perfectly, but something went wrong when I was trying to convert RGB array into image. code: from ...

I have a numpy array H_arr representing the following image: (IMG 1) and I wish to convert its values in the range [0,1], let's call this new array as New_arr, in such a way that the original image ...

My intention is to use matplotlib to convert a coloured image into a grayscale image and use colormap to display it in the Viridis scale. The code for that is as follows: import numpy as np import ...

I have been tasked with applying the mean aggregation function to find the average of values across different channels in my photo and putting the result in new array. What ends up happening is that I ...