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Questions tagged [yolo]

You Only Look Once (YOLO) is a real-time object detection system written in C. Use this tag for questions about YOLO compilation and installation, usage, and its features and functionality.

You Only Look Once (YOLO) is a real-time object detection system developed for high speed object detection within images.

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1841 questions
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Delay in output video stream when using YOLOV3 Detection using OpenCV

This is my Code of Mask Detection using YOLOV3 weights created by me. Whenever I run my Program, I experience a delay in my output Video of detection. This is the code please have a look. import cv2 import numpy as np net =…
Rahul Pandey
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Inference time of tiny-yolo-v3 on GPU

I am doing inference of tiny-yolo-v3 on google collab using GPU runtime. GPU used was Tesla P100-PCIE-16GB. After running the darknet inference command , The predicted time shown was 0.91 seconds. I could see from code that this time stamp is the…
Yogesh
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I can't install yolov3 in vs code terminal

I Run This code import cv2 import cvlib from cvlib.object_detection import draw_bbox video = cv2.VideoCapture('./videos/highway-civil.mp4') fps = video.get(cv2.CAP_PROP_FPS) frame_width = int(video.get(cv2.CAP_PROP_FRAME_WIDTH)) frame_height =…
Mohamed Magdy
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How to send a yolo detected objects to mail

How to send the detected objects via mail. for ex:If an knife is detected i want the captured image or messge that the knife has been detected.
PRAJWAL K CSE
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YOLO If a grid cell contain a object

I am reading YOLO original paper https://arxiv.org/pdf/1506.02640.pdf. At the beginning of the paper. It says If the center of an object falls into a grid cell, that grid cell is responsible for detecting that object. The loss function Note…
Ruoyu Guo
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Issues setting up YoloV3 on MacOs

I am trying to test out object detection on a video I have but ran into this issue Demo needs OpenCV for webcam images. So I changed OPENCV=1 in the Makefile but ran into this error now ./src/image_opencv.cpp:5:10: fatal error:…
yudhiesh
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Open-Cv dnn error for python while using Yolov3. Using open-cv ver(4.2.0)

cv2.error: OpenCV(4.2.0) C:\projects\opencv-python\opencv\modules\dnn\src\darknet\darknet_io.cpp:677: error: (-212:Parsing error) Unknown layer type: in function 'cv::dnn::darknet::ReadDarknetFromCfgStream Code: import cv2 import numpy as np #…
Bezal-el
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Yolo to keras to coreml : get confidence and coordinates as outputs

❓Question Hi, Following steps were taken I trained yolo tiny on a custom data set with just one class Converted .weights(darknet) to .h5 (keras) (verified and keras model is working fine as well) Now when I convert Keras to core ml model I am not…
Ankit Sachan
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YOLO object detection opencv drawing a lot of rectangles

I have collected images of S9 phones, added labels with labellmg and trained for a few hours in google colab. I had minimal loss so I thought it is enough. I only selected the rectangles where the phone is displayed and nothing else. What I dont…
Giga Meta
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YOLOv3) compiles and run. But no predictions

I'm using macOS Catalina. I'm just following the basic tutorial which are written in the Darknet page. when I run the command $make $./darknet detect cfg/yolov3.cfg yolov3.weights data/dog.jpg then the Yolo is not predict after just showing the…
TaeYoon Kim
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how to change the bounding box color in the video output in yolov3 darknet

I have trained YOLOv3 darknet model on my custom dataset. First I have cloned the https://github.com/kriyeng/darknet/ repository in google colab and then run the whole code in google colab. But I want to change the color of the bounding boxes in the…
Sneha Roy
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Heatmap / feature map from Yolov3

I'm currently working on Yolov3 and have spent the last two days trying to implement the Grade-CAM approach without success. At the end I link both github repositories I used. Since I failed to create a heatmap with the approach I used before, I am…
john-mueller
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indoor localization via single camera (real world coordinates)

I'm working on a picture project and I need your help The project is as follows: I want to estimate the position of people in the real environment, I have used a camera to do this, I have detected people in the image with the help of the Yolo…
nafise_dehghan
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List index out of range error in object detection using YoloV3 in Pytorch

I am trying to implement Object Detection using YOLOV3 AND Pytorch. I am training the model on my custom Dataset, which contains 200 images of one type only and has only one object (which is labelled, for ref. check the image below). I have…
Saksham Dubey
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Error in training yolo_v3 in google colab using AlexeyAB darknet

I am training the yoloV3 for 3 classes and changed the config files accordingly with 'random = 0','classes = 3','filter = 24 and also changed the max_batches accordingly. The training starts but always stops and displays this: [yolo] params: iou…
aakarsh
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