triplet_data_online.py 文件源码

def setup(self,bottom,top):
    #self.top_names = ['data_a', 'data_p', 'data_n', 'data_l']
    self.top_names = ['data_a', 'data_p', 'label_a', 'label_p']
    params = eval(self.param_str)
    # Check the paramameters for validity.
    check_params(params)
    # store input as class variables
    self.batch_loader = BatchLoader(params)
    self.batch_size = params['batch_size']
    #1
    self.pool = ThreadPool(processes=1)
    self.thread_results = self.pool.apply_async(\
                            self.batch_loader.load_next_batch, ())
    # reshape
    top[0].reshape(params['batch_size'], 1, params['shape'][0], params['shape'][1])
    top[1].reshape(2*params['batch_size'], 1, params['shape'][0], params['shape'][1])
    top[2].reshape(params['batch_size'], 1)   #label of anchor
    top[3].reshape(2*params['batch_size'], 1)   #label of pos and neg

    if 'verbose' not in params:
      print_info('Triplet data layer',params)