tensorflow :ckpt模型轉換為pytorch : hdf5模型
阿新 • • 發佈:2018-05-23
div https ssi ria tps ext read map() default
參考鏈接:https://github.com/bermanmaxim/jaccardSegment/blob/master/ckpt_to_dd.py
import tensorflow as tf import deepdish as dd import argparse import os import numpy as np def tr(v): # tensorflow weights to pytorch weights if v.ndim == 4: return np.ascontiguousarray(v.transpose(3,2,0,1)) elifv.ndim == 2: return np.ascontiguousarray(v.transpose()) return v def read_ckpt(ckpt): # https://github.com/tensorflow/tensorflow/issues/1823 reader = tf.train.NewCheckpointReader(ckpt) weights = {n: reader.get_tensor(n) for (n, _) in reader.get_variable_to_shape_map().iteritems()} pyweights= {k: tr(v) for (k, v) in weights.items()} return pyweights if __name__ == ‘__main__‘: parser = argparse.ArgumentParser(description="Converts ckpt weights to deepdish hdf5") parser.add_argument("infile", type=str, help="Path to the ckpt.") parser.add_argument("outfile", type=str, nargs=‘?‘, default=‘‘, help="Output file (inferred if missing).") args = parser.parse_args() if args.outfile == ‘‘: args.outfile = os.path.splitext(args.infile)[0] + ‘.h5‘ outdir = os.path.dirname(args.outfile) if not os.path.exists(outdir): os.makedirs(outdir) weights = read_ckpt(args.infile) dd.io.save(args.outfile, weights) weights2 = dd.io.load(args.outfile)
tensorflow :ckpt模型轉換為pytorch : hdf5模型