Points

Why are 8 points needed to compute a fundamental matrix?
It is because in the case of fundamental matrix, each correspondence point relates to only one constraint(i.e it maps a point to a line in other image...
Why are FFT numbers so high?
How many points do you need for FFT?What is the main advantage of FFT?What does FFT do to a signal?Why is fast Fourier transform fast? How many poin...
FFT to work out optimum number of samples to average
How many samples do I need for FFT?How many points do you need for FFT?What are FFT points? How many samples do I need for FFT?The number of samples...
Why do we need 4 points for homography but 7/8 points for fundamental matrix calculation?
It is because in the case of fundamental matrix, each correspondence point relates to only one constraint(i.e it maps a point to a line in other image...
Performing DFT of streaming audio problem. Is there a limit?
How many points do you need for FFT?What is FFT size in audio?What are FFT points? How many points do you need for FFT?Because the FFT function uses...
Is it necessary to taper two ends before fft a time series?
What is tapering in signal processing?How many points for FFT? What is tapering in signal processing?A Taper (or apodization function or window func...
Detect keypoints in images without corners
What is used to detect corner points in an image?How are feature points detected?What is a Keypoint detector? What is used to detect corner points i...
Do I get less accurate results if I do not use a power of 2 points for my FFT?
Is FFT less accurate than DFT?How many points is a fast Fourier transform?What is the main advantage of FFT?What is the amplitude of FFT? Is FFT les...
Ways to analyze electrical signals without FFT?
What the FFT analysis of a signal tells us about the signal?What is the FFT of a sine wave?How many points do you need for FFT?What are FFT points? ...