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hello and welcome to the introduction to image processing using matlab the earth session we will look at the point transformations further on now a logarithmic transformation is basically where the transformation function is of the shape of a log function so when r is represented by the image on which we are processing s gives the output this is how the transformation function looks like where c is any constant which can change values so we will try and program this so ill just make a new file for this now first ill just treat the image so ill read maybe the blocks image this time blocks dot tiff now ill convert it to a double but ill convert it properly so ill say i am 2 double a now ill initialize the final image to a d i can also initialize this to zeros but i can simply use a d as the x initial x and then keep overwriting values as we proceed ill store the rows and columns as the variables r and c and this is equal to size of a d or x or anything so thats my size ive got
