X-Git-Url: https://gerrit.akraino.org/r/gitweb?a=blobdiff_plain;f=example-apps%2FPDD%2Fpcb-defect-detection%2Flibs%2Fexport_pbs%2FexportPb.py;fp=example-apps%2FPDD%2Fpcb-defect-detection%2Flibs%2Fexport_pbs%2FexportPb.py;h=8f4b217e8fc97316e98df4872dc019c15f05e4f9;hb=a785567fb9acfc68536767d20f60ba917ae85aa1;hp=0000000000000000000000000000000000000000;hpb=94a133e696b9b2a7f73544462c2714986fa7ab4a;p=ealt-edge.git diff --git a/example-apps/PDD/pcb-defect-detection/libs/export_pbs/exportPb.py b/example-apps/PDD/pcb-defect-detection/libs/export_pbs/exportPb.py new file mode 100755 index 0000000..8f4b217 --- /dev/null +++ b/example-apps/PDD/pcb-defect-detection/libs/export_pbs/exportPb.py @@ -0,0 +1,87 @@ +# -*- coding: utf-8 -*- + +from __future__ import absolute_import, print_function, division + +import os, sys +import tensorflow as tf +import tensorflow.contrib.slim as slim +from tensorflow.python.tools import freeze_graph + +sys.path.append('../../') +from data.io.image_preprocess import short_side_resize_for_inference_data +from libs.configs import cfgs +from libs.networks import build_whole_network + +CKPT_PATH = '/home/yjr/PycharmProjects/Faster-RCNN_Tensorflow/output/trained_weights/FasterRCNN_20180517/voc_200000model.ckpt' +OUT_DIR = '../../output/Pbs' +PB_NAME = 'FasterRCNN_Res101_Pascal.pb' + + +def build_detection_graph(): + # 1. preprocess img + img_plac = tf.placeholder(dtype=tf.uint8, shape=[None, None, 3], + name='input_img') # is RGB. not GBR + raw_shape = tf.shape(img_plac) + raw_h, raw_w = tf.to_float(raw_shape[0]), tf.to_float(raw_shape[1]) + + img_batch = tf.cast(img_plac, tf.float32) + img_batch = short_side_resize_for_inference_data(img_tensor=img_batch, + target_shortside_len=cfgs.IMG_SHORT_SIDE_LEN, + length_limitation=cfgs.IMG_MAX_LENGTH) + img_batch = img_batch - tf.constant(cfgs.PIXEL_MEAN) + img_batch = tf.expand_dims(img_batch, axis=0) # [1, None, None, 3] + + det_net = build_whole_network.DetectionNetwork(base_network_name=cfgs.NET_NAME, + is_training=False) + + detected_boxes, detection_scores, detection_category = det_net.build_whole_detection_network( + input_img_batch=img_batch, + gtboxes_batch=None) + + xmin, ymin, xmax, ymax = detected_boxes[:, 0], detected_boxes[:, 1], \ + detected_boxes[:, 2], detected_boxes[:, 3] + + resized_shape = tf.shape(img_batch) + resized_h, resized_w = tf.to_float(resized_shape[1]), tf.to_float(resized_shape[2]) + + xmin = xmin * raw_w / resized_w + xmax = xmax * raw_w / resized_w + + ymin = ymin * raw_h / resized_h + ymax = ymax * raw_h / resized_h + + boxes = tf.transpose(tf.stack([xmin, ymin, xmax, ymax])) + dets = tf.concat([tf.reshape(detection_category, [-1, 1]), + tf.reshape(detection_scores, [-1, 1]), + boxes], axis=1, name='DetResults') + + return dets + + +def export_frozenPB(): + + tf.reset_default_graph() + + dets = build_detection_graph() + + saver = tf.train.Saver() + + with tf.Session() as sess: + print("we have restred the weights from =====>>\n", CKPT_PATH) + saver.restore(sess, CKPT_PATH) + + tf.train.write_graph(sess.graph_def, OUT_DIR, PB_NAME) + freeze_graph.freeze_graph(input_graph=os.path.join(OUT_DIR, PB_NAME), + input_saver='', + input_binary=False, + input_checkpoint=CKPT_PATH, + output_node_names="DetResults", + restore_op_name="save/restore_all", + filename_tensor_name='save/Const:0', + output_graph=os.path.join(OUT_DIR, PB_NAME.replace('.pb', '_Frozen.pb')), + clear_devices=False, + initializer_nodes='') + +if __name__ == '__main__': + os.environ["CUDA_VISIBLE_DEVICES"] = '' + export_frozenPB()