def setup(self,bottom,top): print "my datalayer is inilializing...." label_numbers=len(par.top_names) layer_params=eval(self.param_str) self.phase=layer_params['phase'] top[0].reshape(par.batchsize_dic[self.phase],par.channel,par.height,par.width) top[1].reshape(par.batchsize_dic[self.phase],par.channel,par.height,par.width) top[2].reshape(par.batchsize_dic[self.phase],1) self.batchloader=Batchloader(par.data_label_dic[self.phase][0],par.data_label_dic[self.phase][1]) print "---------------------inilialized %s----------------"%(self.phase,)
class multilabel(caffe.Layer): ''' This is a simple datalayer for train multilabel model on clothes datasets ''' def setup(self, bottom, top): print "my datalayer is inilializing...." label_numbers = len(par.top_names) layer_params = eval(self.param_str) self.phase = layer_params['phase'] top[0].reshape(par.batchsize_dic[self.phase], par.channel, par.height, par.width) for i in range(1, label_numbers): top[i].reshape(par.batchsize_dic[self.phase], 1) self.batchloader = Batchloader(par.data_label_dic[self.phase][0], par.data_label_dic[self.phase][1]) self.set_queue() print "---------------------inilialized %s----------------" % ( self.phase, ) def set_queue(self): self.blob_queue = Queue(par.queue_num) self.prefetch_process = BlobFetcher(par.data_label_dic[self.phase][0], par.data_label_dic[self.phase][1], self.blob_queue, self.phase) self.prefetch_process.start() def clean(): print "Terminating BlobFetcher" self.prefetch_process.terminate() self.prefetch_process.join() import atexit atexit.register(clean) def reshape(self, bottom, top): '''do nothing''' pass def get_batch(self): '''interface control if use multi-process''' if par.Using_Process_dic[self.phase]: return self.blob_queue.get() else: return self.batchloader.get_minibatch(self.phase) def forward(self, bottom, top): blob = self.get_batch( ) #blob=[[image,[color,long,sleeve]],[image,[color,long,sleeve]],....[]] num_labels = len(blob[0][1]) for i in xrange(par.batchsize_dic[self.phase]): top[0].data[i, ...] = blob[i][0] #data for j in range(num_labels): top[j + 1].data[i, ...] = int(blob[i][1][j]) #label def backward(self, bottom, top): '''do nothing''' pass
class BlobFetcher(Process): '''using multi-process prepare blobs''' def __init__(self,imagepath,annotion,queue,phase): super(BlobFetcher,self).__init__() self.batch=Batchloader(imagepath,annotion) self.queue=queue self.phase=phase def run(self): print "---------------BlobFetcher start------------------------" while True: blobs=self.batch.get_minibatch(self.phase) self.queue.put(blobs)
def __init__(self, imagepath, annotion, queue, phase): super(BlobFetcher, self).__init__() self.batch = Batchloader(imagepath, annotion) self.queue = queue self.phase = phase