rl.bhat said:Opening of the camera, object and image from two similar triangles. Their sides are proportional.
Length of the camera and film height are known quantities. From that find D and theta.
rl.bhat said:To find D you must know H. As your guess S need no be equal to H.
rl.bhat said:You can find theta. 2.5/14.6 = tan(theta/2). But that won't give you D unless you know the size of the object.
D and theta are measurements used to quantify an image's features. D represents the distance between objects in an image, while theta represents the angle of rotation between objects.
D and theta are calculated using mathematical algorithms that analyze the pixels in an image. These algorithms determine the distances and angles between objects based on their pixel coordinates.
Quantifying an image allows for a more objective analysis of its features. It can provide valuable information about the size, shape, and orientation of objects in the image, which can be useful in various fields such as medicine, biology, and engineering.
The accuracy of D and theta calculations can be affected by factors such as image resolution, noise, and the complexity of the image. It is important to carefully select and optimize the algorithms used to ensure accurate results.
Yes, D and theta can be used to quantitatively compare images and identify similarities or differences in their features. This can be particularly useful in tasks such as image recognition and pattern matching.