A method for providing help services in a graphical user interface-based computer application includes providing a first display portion and a second display portion. The actual Pixon elements selected from this basis during the reconstruction process represents the smallest number of such units required to fit the data and representing the minimum number of parameters necessary to specify the image. A bonded portion is located between a first portion and a second portion of each of two elastic strands. In addition, the RVs are set such that the RV start locations applied to code blocks having different sizes are different.