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to covered that uh how to use the discrete wavelet transform in images and then we had also planned to cover that how the DWT coefficients are actually encoded in order to generate the bitstream now uh we could not exactly cover to the extent we had desired in the last class because of uh some shortage of time so we are going to continue with that uh in this uh lecture and the title title that uh we have for this lecture is embedded zero Tre wavelet encoding now towards the end of the last lecture I had actually introduced to you the concept of the per child relationship that exists between the coefficients in the different subbands all right and especially we had seen that whenever we are changing from one resolution to the next okay to the to the more final resolutions whenever we are going there we are finding that one uh pixel or one coefficient in the uh corser resolution or corser scale that corresponds to four uh coefficients in the next uh final
