Exemple #1
0
 def on_max_iou(old_val, new_val):
     print ">>> IOU Increased from %s to %s" % (old_val, new_val)
     ttu.save_network(trial, "best", network)
     trial.store_important("best_valid_iou", new_val)
Exemple #2
0
            valid_chunk = valid_gen.next()
            import theano
            import treeano
            import canopy
            import canopy.sandbox.monitor_ui


            print "Making new model."
            model = make_model(params)
            print(model)
            network = model.network()

            # build eagerly to share weights
            network.build()
            # to make sure network is serializable
            ttu.save_network(trial, "initial", network)

            # Validation
            valid_fn = canopy.handled_fn(
                network,
                [
                    canopy.handlers.time_call(key="valid_time"),
                    canopy.handlers.override_hyperparameters(
                        deterministic=True,
                        bn_use_moving_stats=False,
                        ),
                    canopy.handlers.evaluate_monitoring_variables(fmt="valid_%s"),
                    canopy.handlers.chunk_variables(batch_size=params.batch_size,
                                                    variables=["x", "y"])
                ],
                inputs={"x": "x", "y": "y"},