$\frac{\boldsymbol{E_b}}{\boldsymbol{N_0}}$.net

Articles in the Blog category

1. Modifying a Plustek 8100 to Scan Medium Format

   The Plustek 8100 is a popular entry-level 35mm film scanner. It produces significantly higher resolution scans than any accessibly priced flatbed scanner I know of (thinking specifically of the Epson …

2. A Class of Multivariate Functions that Behave Like Single-Letter Random Variables

   Vector-encoders of a certain pretty restricted class happen to carry the same information content as univariate encoders. This turns out to be relevant to an aspect of time-expanded information bottlenecks …

3. Extracting Relevant Information over Many Trials

   The information bottleneck scenario goes like this:

   We are interested in a quantity $Y$ but only observe $X$ which we must process down to a rate R \in …

4. Hypersphere Cap Volumes in Matlab

   The volume of a height-$h$ cap of a ball of radius $r$ in dimension $n$ can be derived:

   \begin{equation} \operatorname{vol}(\operatorname{cap}) = \frac{1 …

5. On Suboptimality of the Berger-Tung Bounds

   The Berger-Tung inner and outer bounds give a approximation to the rate-distortion region in lossy distributed source coding. The regions are not tight in general. Their tightness is discussed throughout …

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