A point initially has positive camera coordinates Xc and Zc in an ideal camera without distortion. Which statements correctly describe the following changes, each applied separately with all other quantities held constant? Select all correct answers.

Question

Answer

Doubling Zc always halves the point's u coordinate.

Answer

Increasing cx by 20 px increases the point's u coordinate by 20 px.

Answer

Doubling both Xc and Zc leaves the point's u coordinate unchanged.

Answer

Doubling fx halves the horizontal distance from the principal point.

Answer

Doubling Zc halves the horizontal distance from the principal point.

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A point initially has positive camera coordinates Xc and Zc in an ideal camera w...

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