我想使用冻结的pb模型,但是有这样的问题:
ValueError:提取参数不能解释为张量。 (操作名称:“ init_1” op:“ NoOp” 不是该图的元素。)
import base64
import json, argparse, time
import sys
import tensorflow as tf
from flask import Flask, request
from flask_cors import CORS
app = Flask(__name__)
cors = CORS(app)
def load_graph(frozen_graph_filename):
with tf.gfile.GFile(frozen_graph_filename, "rb") as f:
graph_def = tf.GraphDef()
graph_def.ParseFromString(f.read())
with tf.Graph().as_default() as graph:
tf.import_graph_def(graph_def, name="prefix")
return graph
@app.route("/predict", methods=['GET'])
def predict():
start = time.time()
persistent_sess.run(tf.global_variables_initializer())
image_b64 = base64.urlsafe_b64encode(open('1.jpg', "rb").read())
y_out = persistent_sess.run(y, feed_dict={ x:image_b64 })
return 'Success'
if __name__ == "__main__":
try:
port = int(sys.argv[1])
except Exception as e:
port = 80
print('Loading the model')
graph = load_graph('output/open_nsfw.pb')
x = graph.get_tensor_by_name('prefix/input:0')
y = graph.get_tensor_by_name('prefix/predictions:0')
persistent_sess = tf.Session(graph=graph)
print('Starting the API')
app.run(host='0.0.0.0', port=port, debug=True)
Stacktrace:
追溯(最近一次通话): 在__call__文件1997行中的文件“ /home/anaconda3/lib/python3.6/site-packages/flask/app.py” 返回self.wsgi_app(环境,start_response) wsgi_app中的文件“ /home/anaconda3/lib/python3.6/site-packages/flask/app.py”,第1985行 响应= self.handle_exception(e) 包裹在函数中的文件“ /home/anaconda3/lib/python3.6/site-packages/flask_cors/extension.py”,第161行 返回cors_after_request(app.make_response(f(* args,** kwargs))) 在handle_exception中的文件“ /home/anaconda3/lib/python3.6/site-packages/flask/app.py”,第1540行 加价(exc_type,exc_value,tb) 重新列出文件“ /home/anaconda3/lib/python3.6/site-packages/flask/_compat.py”,第33行 提高价值 wsgi_app中的第1982行的文件“ /home/anaconda3/lib/python3.6/site-packages/flask/app.py” 响应= self.full_dispatch_request() 在full_dispatch_request中,文件“ /home/anaconda3/lib/python3.6/site-packages/flask/app.py”,行1614 rv = self.handle_user_exception(e) 包裹在函数中的文件“ /home/anaconda3/lib/python3.6/site-packages/flask_cors/extension.py”,第161行 返回cors_after_request(app.make_response(f(* args,** kwargs))) 在handle_user_exception中的文件“ /home/anaconda3/lib/python3.6/site-packages/flask/app.py”,第1517行 加价(exc_type,exc_value,tb) 重新列出文件“ /home/anaconda3/lib/python3.6/site-packages/flask/_compat.py”,第33行 提高价值 在full_dispatch_request中的文件“ /home/anaconda3/lib/python3.6/site-packages/flask/app.py”,行1612 rv = self.dispatch_request() 在dispatch_request中的文件“ /home/anaconda3/lib/python3.6/site-packages/flask/app.py”,行1598 返回self.view_functions [rule.endpoint](** req.view_args) 预测文件“ /home/notebook/tensorflow-open_nsfw-master/tf.py”,第32行 persistent_sess.run(tf.global_variables_initializer()) 运行中的文件“ /home/anaconda3/lib/python3.6/site-packages/tensorflow/python/client/session.py”,行778 run_metadata_ptr) _run中的文件“ /home/anaconda3/lib/python3.6/site-packages/tensorflow/python/client/session.py”,行969 fetch_handler = _FetchHandler(self._graph,获取,feed_dict_string) __init__中的文件“ /home/anaconda3/lib/python3.6/site-packages/tensorflow/python/client/session.py”,第408行 self._fetch_mapper = _FetchMapper.for_fetch(获取) for_fetch中的文件“ /home/anaconda3/lib/python3.6/site-packages/tensorflow/python/client/session.py”,第238行 返回_ElementFetchMapper(fetches,contraction_fn) __init__中的文件“ /home/anaconda3/lib/python3.6/site-packages/tensorflow/python/client/session.py”,第274行 '张量。 (%s)'%(获取,str(e))) ValueError:无法将获取参数解释为张量。 (操作名称:“ init_5” op:“ NoOp” 不是此图的元素。)