# \#opencv\_traincascade **URL:** https://forum.opencv.org/tag/opencv-traincascade/107.md [Latest](https://forum.opencv.org/latest.md) · [Categories](https://forum.opencv.org/categories.md) · [Tags](https://forum.opencv.org/tags.md) --- ## [I'm trying to use opencv to detect people on a video and count if that people crossed a horizontal line](https://forum.opencv.org/t/im-trying-to-use-opencv-to-detect-people-on-a-video-and-count-if-that-people-crossed-a-horizontal-line/17413)
**Author:** [@dudsthemic](https://forum.opencv.org/u/dudsthemic)\ **Replies:** 3\ **Last updated:** [April 26, 2024, 5:01am UTC](https://forum.opencv.org/t/im-trying-to-use-opencv-to-detect-people-on-a-video-and-count-if-that-people-crossed-a-horizontal-line/17413 "2024-04-26T05:01:55Z")
I’m fresh new in python and machine learning, and my understanding about the topic is still superficial. I’ve done a few courses to understand how to treat images, and better tailor them to recognize what’s needed. How… --- ## [Training Wild Game Cam To Identify Deer](https://forum.opencv.org/t/training-wild-game-cam-to-identify-deer/13812)
**Author:** [@misperry](https://forum.opencv.org/u/misperry)\ **Replies:** 3\ **Last updated:** [July 11, 2023, 7:15am UTC](https://forum.opencv.org/t/training-wild-game-cam-to-identify-deer/13812 "2023-07-11T07:15:55Z")
Hey there, I am new to all of this but I was just looking for some guidance on this. I was wanting to be able to build a camera that will utilize a motion sensor that will trigger it to take a picture of what is in fron… --- ## [Object Detection - Haar Cascade / LBP Cascade - Software - cv\_traincascade.exe - CPU Utilisation](https://forum.opencv.org/t/object-detection-haar-cascade-lbp-cascade-software-cv-traincascade-exe-cpu-utilisation/7353)
**Author:** [@VDL](https://forum.opencv.org/u/VDL)\ **Replies:** 0\ **Last updated:** [January 30, 2022, 4:08pm UTC](https://forum.opencv.org/t/object-detection-haar-cascade-lbp-cascade-software-cv-traincascade-exe-cpu-utilisation/7353 "2022-01-30T16:08:24Z")
The opencv\_traincascade.exe program that is used to train Haar/LBP cascade classifiers for object detection; I see that it only uses all available processors/cores for a small (in comparision to the rest) duration of ti… --- ## [Cascade Classifier Training - Application: opencv\_traincascade](https://forum.opencv.org/t/cascade-classifier-training-application-opencv-traincascade/2047)
**Author:** [@H\_D](https://forum.opencv.org/u/H_D)\ **Replies:** 11\ **Last updated:** [February 27, 2023, 1:51pm UTC](https://forum.opencv.org/t/cascade-classifier-training-application-opencv-traincascade/2047 "2023-02-27T13:51:57Z")
For Cascade Classifier Training , the opencv\_traincascade application as mentioned here: http://docs.opencv.org/master/dc/d88/tutorial\_traincascade.html The source code does not compile as some of the files with the o… --- ## [Opencv\_annotation.exe not displaying images using absolute path files](https://forum.opencv.org/t/opencv-annotation-exe-not-displaying-images-using-absolute-path-files/5169)
**Author:** [@Slubmeister](https://forum.opencv.org/u/Slubmeister)\ **Replies:** 4\ **Last updated:** [September 12, 2021, 1:13pm UTC](https://forum.opencv.org/t/opencv-annotation-exe-not-displaying-images-using-absolute-path-files/5169 "2021-09-12T13:13:16Z")
So I have been following this YouTube tutorial and referencing the officail OpenCV documentation. I am using Python 3.8.8, with VSC and OpenCV version 4.5.3 on my machine, although I have installed OpenCV 3.4 within my d… --- ## [Using Open CV to detect greenhouse crop detection & infestation](https://forum.opencv.org/t/using-open-cv-to-detect-greenhouse-crop-detection-infestation/2365)
**Author:** [@jeffingeorge](https://forum.opencv.org/u/jeffingeorge)\ **Replies:** 70\ **Last updated:** [May 20, 2021, 6:46am UTC](https://forum.opencv.org/t/using-open-cv-to-detect-greenhouse-crop-detection-infestation/2365 "2021-05-20T06:46:15Z")
Hey, Jeffin here, I’m new to Open CV. am building hardware system to detect greenhouse crop infestation using the help of Open CV. I tried some cascade and did some training the results are zero. What all the things i n… --- ## [Custom Object detection - training my own detector but cannot get training tool to work](https://forum.opencv.org/t/custom-object-detection-training-my-own-detector-but-cannot-get-training-tool-to-work/2924)
**Author:** [@CaptainPineapple](https://forum.opencv.org/u/CaptainPineapple)\ **Replies:** 7\ **Last updated:** [April 22, 2021, 9:22pm UTC](https://forum.opencv.org/t/custom-object-detection-training-my-own-detector-but-cannot-get-training-tool-to-work/2924 "2021-04-22T21:22:29Z")
Hello there, for a project i need to enable my programm to detect a given object in an image to extract object position and the objects bounds. Since we already use opencv for the image processing we do, the idea wa… --- ## [Training Haar Cascades to recognise 1 face](https://forum.opencv.org/t/training-haar-cascades-to-recognise-1-face/1805)
**Author:** [@MagnusBC98](https://forum.opencv.org/u/MagnusBC98)\ **Replies:** 2\ **Last updated:** [February 25, 2021, 3:50pm UTC](https://forum.opencv.org/t/training-haar-cascades-to-recognise-1-face/1805 "2021-02-25T15:50:43Z")
I want to train an algorithm to detect only my face and no others. I am planning to do this by training a Haar cascade file with the positive images being just images of my face and probably have various other faces and … --- ## [Create customized xml for cv2.CascadeClassifier](https://forum.opencv.org/t/create-customized-xml-for-cv2-cascadeclassifier/1442)
**Author:** [@Gorka](https://forum.opencv.org/u/Gorka)\ **Replies:** 1\ **Last updated:** [February 9, 2021, 12:08pm UTC](https://forum.opencv.org/t/create-customized-xml-for-cv2-cascadeclassifier/1442 "2021-02-09T12:08:18Z")
Hello I am trying to build an OpenCV application for detecting all the cars in a video streaming. I am working in Windows10 and developed the following code: import cv2 cap = cv2.VideoCapture( ‘videostreaming’) car\_ca… --- ## [How to use opencv\_traincascade with CUDA](https://forum.opencv.org/t/how-to-use-opencv-traincascade-with-cuda/1433)
**Author:** [@Aki](https://forum.opencv.org/u/Aki)\ **Replies:** 0\ **Last updated:** [February 9, 2021, 2:55am UTC](https://forum.opencv.org/t/how-to-use-opencv-traincascade-with-cuda/1433 "2021-02-09T02:55:43Z")
Hello everyone, I’m new here. I am developing an application for face recognition using RPi. I would like to train cascade to recognize masked faces using “opencv\_traincascade” on Ubuntu 18.04 with GPU. Is it possible…