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video orientation detection in bash


video orientation detection in bash

By : user2950599
Date : November 17 2020, 11:55 AM
it should still fix some issue ffprobe is part of the ffmpeg package and it will report on video metadata.
code :
ffprobe somevideo.mp4
$ ffprobe somevideo.mp4 2>&1 | grep rotate
      rotate          : 90


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ipad orientation detection in php?

ipad orientation detection in php?


By : user3360649
Date : March 29 2020, 07:55 AM
wish of those help iPad orientation can change when the user holds her iPad differently. Therefore, there's no point of registering it in php - by the time your response reaches the client, it might already be different.
If there needs to be any plumbing that can't be done in CSS (like loading different images or so), handle the orientationchanged event in JavaScript.
How to do Orientation Detection even the device has locked orientation

How to do Orientation Detection even the device has locked orientation


By : SvenH
Date : March 29 2020, 07:55 AM
Hope that helps You could use the accelerometer to get the current orientation check this Detect iPhone screen orientation
How to find number of detection windows occured in a video for a detection algorithm?

How to find number of detection windows occured in a video for a detection algorithm?


By : Reza Najafi
Date : March 29 2020, 07:55 AM
I hope this helps you . The HOG detector takes in frames from the video, so you can just treat the video as a series of independent images and calculate your precision and recall from those results.
You can find the number of detected people in a given frame by looking at the length of the output Rect array from hog.detectMultiScale.
Vehicle detection on a image instead of detection on a video

Vehicle detection on a image instead of detection on a video


By : Florencio Grant
Date : March 29 2020, 07:55 AM
wish help you to fix your issue I wanna draw rectangle on a detected car.But when I run my code.Nothing shows up. And the screen is lagging. , read an image and apply the same function
code :
import cv2
cascade_src = 'cars.xml'
img = cv2.imread('car.jpg',0)
car_cascade = cv2.CascadeClassifier(cascade_src)
cars = car_cascade.detectMultiScale(img, 1.1, 1)
for (x,y,w,h) in cars:
    cv2.rectangle(img,(x,y),(x+w,y+h),(0,0,255),2)      

cv2.imshow('video', img)
cv2.waitKey(0)
iOS 8 Orientation Change Detection

iOS 8 Orientation Change Detection


By : mcn mcn
Date : March 29 2020, 07:55 AM
Hope that helps Timur Kuchkarov is correct, but I'll post the answer since I missed his comment the first time I checked this page.
The iOS 8 method of detecting orientation change (rotation) is implementing the following method of the view controller:
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