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・ Camerieri
・ Camerimage
・ Camerini
・ Camerini d'alabastro
・ Camerino
・ Camerino Z. Mendoza (municipality)
・ Camerlengo
・ Camerlengo of the Holy Roman Church
・ Camerlengo of the Sacred College of Cardinals
・ Camero
・ Camera Obscura (San Francisco, California)
・ Camera operator
・ Camera phone
・ Camera Phone (song)
・ Camera Ready
Camera resectioning
・ Camera Serial Interface
・ Camera Shy (band)
・ Camera shyness
・ Camera stabilizer
・ Camera Three
・ Camera Thrills
・ Camera trap
・ Camera West
・ Camera Work
・ Camera Works
・ Camera World
・ Camera+
・ Camera, Camera, Camera
・ Camera, hand lens, and microscope probe


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Camera resectioning : ウィキペディア英語版
Camera resectioning

Camera resectioning is the process of estimating the parameters of a pinhole camera model approximating the camera that produced a given photograph or video. Usually, the pinhole camera parameters are represented in a 3 × 4 matrix called the camera matrix.
This process is often called camera calibration, but "camera calibration" can also mean photometric camera calibration.
==Parameters of camera model==
Often, we use ()^T to represent a 2D point position in pixel coordinates. (y_w\, z_w\,1 )^T is used to represent a 3D point position in World coordinates. Note: they were expressed in augmented notation of Homogeneous coordinates which is the most common notation in robotics and rigid body transforms.
Referring to the pinhole camera model, a camera matrix is used to denote a projective mapping from World coordinates to Pixel coordinates.
:z_\begin
u\\
v\\
1\end=A \begin
R & T\end\begin
x_\\
y_\\
z_\\
1\end

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Camera resectioning」の詳細全文を読む



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