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Extract feature vector of a CNN



2019 Community Moderator ElectionHow do I provide input and output for such a network structure in kerasspeech accent recognition data augmentation and trainingHow can I find out what class each of the columns in the probabilities output correspond to using Keras for a multi-class classification problem?Visualizing ConvNet filters using my own fine-tuned network resulting in a “NoneType” when running: K.gradients(loss, model.input)[0]Keras- LSTM answers different sizeCNN backpropagation between layersGenerating image embedding using CNNdegeneracy of a CNN having only 1 convolution kernel down to a fully connected NNKeras: Poor classification by copying model weights before fine tuningHow do I create a feature vector for the training of an SVM?










4












$begingroup$


How can I get the feature vector of my dataset. I have a fine-tuned CNN model with my data. Now I want to feed the features of all my dataset extracted from the last layer of the CNN into a LSTM.



So far I have



cnn_model = load_model('weights/pre-trained_CNN.hdf5')
cnn_output = cnn_model.get_layer('fc7').output


I know I will have to feed all my dataset into this model but I have no idea on how to "save" the features.










share|improve this question









$endgroup$
















    4












    $begingroup$


    How can I get the feature vector of my dataset. I have a fine-tuned CNN model with my data. Now I want to feed the features of all my dataset extracted from the last layer of the CNN into a LSTM.



    So far I have



    cnn_model = load_model('weights/pre-trained_CNN.hdf5')
    cnn_output = cnn_model.get_layer('fc7').output


    I know I will have to feed all my dataset into this model but I have no idea on how to "save" the features.










    share|improve this question









    $endgroup$














      4












      4








      4





      $begingroup$


      How can I get the feature vector of my dataset. I have a fine-tuned CNN model with my data. Now I want to feed the features of all my dataset extracted from the last layer of the CNN into a LSTM.



      So far I have



      cnn_model = load_model('weights/pre-trained_CNN.hdf5')
      cnn_output = cnn_model.get_layer('fc7').output


      I know I will have to feed all my dataset into this model but I have no idea on how to "save" the features.










      share|improve this question









      $endgroup$




      How can I get the feature vector of my dataset. I have a fine-tuned CNN model with my data. Now I want to feed the features of all my dataset extracted from the last layer of the CNN into a LSTM.



      So far I have



      cnn_model = load_model('weights/pre-trained_CNN.hdf5')
      cnn_output = cnn_model.get_layer('fc7').output


      I know I will have to feed all my dataset into this model but I have no idea on how to "save" the features.







      keras feature-extraction cnn






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Jan 23 '18 at 16:10









      Daniel ZapataDaniel Zapata

      214




      214




















          1 Answer
          1






          active

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          0












          $begingroup$

          In order to "tap" intermediate layers of an existing model you could do the following:



          # get your feature layer
          cnn_model = load_model('weights/pre-trained_CNN.hdf5')
          feature_layer = cnn_model.get_layer('fc7')

          # stack your LSTM and other layers below, e.g.:
          lstm_layer = TimeDistributed(LSTM(...), input_shape = ...)(feature_layer)
          output = Dense(...)(lstm_layer)

          # create a combined model
          model = Model(inputs = cnn_model.input, outputs = [output])





          share|improve this answer









          $endgroup$













            Your Answer





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            1 Answer
            1






            active

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            active

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            active

            oldest

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            0












            $begingroup$

            In order to "tap" intermediate layers of an existing model you could do the following:



            # get your feature layer
            cnn_model = load_model('weights/pre-trained_CNN.hdf5')
            feature_layer = cnn_model.get_layer('fc7')

            # stack your LSTM and other layers below, e.g.:
            lstm_layer = TimeDistributed(LSTM(...), input_shape = ...)(feature_layer)
            output = Dense(...)(lstm_layer)

            # create a combined model
            model = Model(inputs = cnn_model.input, outputs = [output])





            share|improve this answer









            $endgroup$

















              0












              $begingroup$

              In order to "tap" intermediate layers of an existing model you could do the following:



              # get your feature layer
              cnn_model = load_model('weights/pre-trained_CNN.hdf5')
              feature_layer = cnn_model.get_layer('fc7')

              # stack your LSTM and other layers below, e.g.:
              lstm_layer = TimeDistributed(LSTM(...), input_shape = ...)(feature_layer)
              output = Dense(...)(lstm_layer)

              # create a combined model
              model = Model(inputs = cnn_model.input, outputs = [output])





              share|improve this answer









              $endgroup$















                0












                0








                0





                $begingroup$

                In order to "tap" intermediate layers of an existing model you could do the following:



                # get your feature layer
                cnn_model = load_model('weights/pre-trained_CNN.hdf5')
                feature_layer = cnn_model.get_layer('fc7')

                # stack your LSTM and other layers below, e.g.:
                lstm_layer = TimeDistributed(LSTM(...), input_shape = ...)(feature_layer)
                output = Dense(...)(lstm_layer)

                # create a combined model
                model = Model(inputs = cnn_model.input, outputs = [output])





                share|improve this answer









                $endgroup$



                In order to "tap" intermediate layers of an existing model you could do the following:



                # get your feature layer
                cnn_model = load_model('weights/pre-trained_CNN.hdf5')
                feature_layer = cnn_model.get_layer('fc7')

                # stack your LSTM and other layers below, e.g.:
                lstm_layer = TimeDistributed(LSTM(...), input_shape = ...)(feature_layer)
                output = Dense(...)(lstm_layer)

                # create a combined model
                model = Model(inputs = cnn_model.input, outputs = [output])






                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered 6 hours ago









                m0nzderrm0nzderr

                663




                663



























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