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With the sensor size, image pixel resolution, focal length, and known subject size, you can back-calculate (well, estimate) the distance between the camera and subject (assuming that the subject is reasonably parallel to the camera sensor plane).
Use the Measure app and your iPhone camera to measure nearby objects. iPhone automatically detects the dimensions of rectangular objects, or you can manually set the start and end points of a measurement.
27 gru 2022 · Your iPhone can use its camera and LiDAR sensor to measure dimensions such as height, distance, and length of nearby objects. And it can potentially replace a measuring tape for household purposes. In this article, let’s see how you can measure height and distance using your iPhone or iPad camera.
17 wrz 2018 · How to Measure Distances With Your iPhone. Your iPhone now contains a "Measure" app that acts as a high-tech tape measure. Just launch the app, point your camera at something, and it will measure dimensions of objects in the real world. This is one of the many new features in the iOS 12 update.
26 gru 2012 · there is no such function available in opencv to calculate the distance between object and the camera. see this : Finding distance from camera to object of known size. You should know that the parameters depend on the camera and will change if the camera is changed.
Most of the pedometer apps use the accelerometer to count steps and use the GPS to measure distance over longer distances and to calibrate the user's individual step distance.
I want to calculate the distance between two objects using an iPhone camera. Suppose I'm standing with my iPhone 10 feet away from the objects. Now, I want to calculate the distance between those two objects. Suppose these two objects are on a straight horizontal line.
