射影变换

a projective transformation

old variant of 射[she4]

to shoot / to launch / to allude to / radio- (chemistry)

projection (geometry) / projective

picture / image / film / movie / photograph / reflection / shadow / trace

to change / to become different / to transform / to vary / rebellion

to transform / to convert / to vary / to alternate / a transformation

to exchange / to change (clothes etc) / to substitute / to switch / to convert (currency)