| OCR Text |
Show 151 Figure 51 The - Ideal filter spatial weighting function is around it by the continuous image and is the intensity Performing It of might be in but Low pass form is from question, multiplying' we be due all that the looks failure visually to that at the integral that pixel. elements some we degradation the the effect be sampling than of blurred. side there must this "real" the slightly finite apparent filter. of undesirable filtering places less value picture an realize to of displayed at image The this centering distribution result. must in pixel argued that this is utilizing. resulting the should an degradation that by operation result the process, picture which this will screen the Weighting Function implemented intensity integrating Filter Pass Low in are a aliasing |