Essays about: "secondary creases"

Found 2 essays containing the words secondary creases.

1. 1. Crumbling / Distressed

   University essay from Akademin för textil, teknik och ekonomi

   Author : Tove Ullsåker; [2015]
   Keywords : Clash; denim; lace; laser cutter; engrave; fashion design; decoration;

   Abstract : The area of this work is distressed denim in women’s wear. Denim wear has been distressed by machines to imitate the individual patina that becomes from wearing e.g. a pair of unwashed jeans until the color strips from creases. READ MORE

3. 2. Extraction and Application of Secondary Crease Information in Fingerprint Recognition Systems

   University essay from Institutionen för teknik och naturvetenskap

   Author : Pontus Hymér; [2005]
   Keywords : Datorteknik; biometrics; fingerprint analysis; feature extraction; secondary creases; template aging; Gabor filter; pattern recognition; Hough transform; vector clustering; Datorteknik;

   Abstract : This thesis states that cracks and scars, referred to as Secondary Creases, in fingerprint images can be used as means for aiding and complementing fingerprint recognition, especially in cases where there is not enough clear data to use traditional methods such as minutiae based or correlation techniques. A Gabor filter bank is used to extract areas with linear patterns, where after the Hough Transform is used to identify secondary creases in a r, theta space. READ MORE