What causes the measured fps to be different from the expected yet possible fps?

What causes the measured fps to be different from the expected yet possible fps? My webcam has 30 fps (maximum) and the measured fps is only about 20 fps. The logic behind my code: One iteration …

How can I make an object that follows a route?

I have a red point where I can move around and a blank background that I can edit as I want. My goal is to move this point according to the route I will draw on the background.I can take my center …

TypeError: img should be PIL Image. Got – PyTorch

I’m trying to prepare some image data for my neural to classify. As part of the image preprocessing step, I’m applying the HOG filter in my dataset class as such: class GetHogData(Dataset): def …

multi-threading, what is wrong with my code

I was trying to make faster my frames in opencv, it was so slow using it normal, so I decided to ask it here Make faster videocapture opencv the answer was to use multi threading to make it faster, so …

Color is not responsive when Drawig a Circle function inside a loop

I would like to draw circles in a loop. I want each circle to have a different color, but when I do this, I only get one color. I tried the code on colab 4.1.2 from numpy import random import …

create a rectangle around all the points returned from mediapipe hand landmark detection just like cv2.boundingrect does

I am using following code to detect hand landmarks using mediapipe import cv2 import mediapipe as mp mphands = mp.solutions.hands hands = mphands.Hands() mp_drawing = mp.solutions.drawing_utils cap = …

Is there any possible way to get findout extreme points exactly on static image in python?

I need to findout extreme points of a image(cloth). I have tried with https://www.geeksforgeeks.org/find-co-ordinates-of-contours-using-opencv-python/ but i need to findout like this, But the current …

Saving an image as jpg gives me plain black

I am implementing gabor kernels, when I display the kernels while running the code (before saving them) they give me a picture like this But after saving the kernels as jpg images using cv2.imwrite, …

Line detection issue – OpenCV in Python

I have written the following script with which I aim to detect lines in Gazebo (a simulation environment): #!/usr/bin/env python # rospy for the subscriber import rospy # ROS Image message from …

camera suddenly close when i run the code

I am trying to make a color detection from the default camera using python, to do this I am using OpenCV and NumPy. My program suddenly closes the camera. This is code I’m trying to run: import cv2 …