TY - JOUR AU - David Guillamet AU - Jordi Vitria AU - B. Shiele PY - 2003// TI - Introducing a weighted non-negative matrix factorization for image classification T2 - PRL JO - Pattern Recognition Letters SP - 2447–2454 VL - 24 IS - 14 N2 - IF: 0.809 UR - http://dx.doi.org/10.1016/S0167-8655(03)00089-8 N1 - OR;MV ID - David Guillamet2003 ER -