External Flash Filesystem for Sensor Nodes with sparse Resources. - Stephan Lehmann; Stephan Rein; Clemens Gühmann (MobiMedia, 2008)

Fractional Wavelet Filter for Camera Sensor Node with external Flash and extremely little RAM. - Stephan Rein; Stephan Lehmann; Clemens Gühmann (MobiMedia, 2008)

Wavelet Image Two-Line Coder for Wireless Sensor Node with Extremely Little RAM. - Stephan Rein; Stephan Lehmann; Clemens Gühmann (DCC, 2009)