Research Article

Nonnegative Mixed-Norm Convex Optimization for Mitotic Cell Detection in Phase Contrast Microscopy

Algorithm 1

Iterative updating method.
Input: Training samples , , initial dictionary , maximum iteration
(1)initialize
(2)   ,
(3)end
(4)// main loop
(5)for  do
(6)  Select from
(7)  Sparse Coding: solve the objective function below with the linear time projection method [17]
(8)            (9)
    .
(9)   .
(10) Dictionary Updating: solve the objective function below with Algorithm 2
(11)         . (10)
(12)Return .