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I am trying to implement the paper: Real-Time Depth-of-Field Rendering Using Anisotropically Filtered Mipmap Interpolation from Sungkil Lee, Gerard Jounghyun Kim and Seungmoon Choi.

Everything works fine till I reached chepter 5 (Smoothing forground Boundaries). After I created the DoN texture, on site 6 between (10) and (11) I don't know how to get value of M to continue. My texture has 1024x1024 pixels. The highest mipmap level I have is 10 (1x1 pixel). I don't think in the paper they talk about the maximum mipmap level (10).

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If a DoN value is taken and magnified (using the circular filtering) at the highest mipmap level, M , this value (i.e., ρ(M ); see Fig. 8c) can be used for finding the foreground objects and their boundaries that may occlude non-foreground areas.

I think this means that M is indeed the highest mipmap level.

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  • $\begingroup$ Thats how I read it too. $\endgroup$
    – pmw1234
    Feb 2, 2022 at 18:55

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