Пример #1
0
def make_keras_model_org_netvlad(im_rows=240, im_cols=320, im_chnls=3):
    # im_rows = 240
    # im_cols = 320
    # im_chnls = 3
    input_img = keras.layers.Input(batch_shape=(1, im_rows, im_cols, im_chnls))
    cnn = make_from_vgg16(input_img, weights=None, layer_name='block5_pool')
    out, out_amap = NetVLADLayer(num_clusters=64)(cnn)
    model = keras.models.Model(inputs=input_img, outputs=out)
    return model
Пример #2
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def make_keras_model_relja_netvlad(DATA_DIR,
                                   im_rows=240,
                                   im_cols=320,
                                   im_chnls=3):
    # im_rows = 240
    # im_cols = 320
    # im_chnls = 3
    input_img = keras.layers.Input(batch_shape=(1, im_rows, im_cols, im_chnls))
    cnn = make_from_vgg16(input_img, weights=None, layer_name='block5_pool')
    out, out_amap = NetVLADLayer(num_clusters=64)(cnn)
    model = keras.models.Model(inputs=input_img, outputs=out)

    model.load_weights(DATA_DIR + '/matlab_model.keras')
    WPCA_M = scipy.io.loadmat(DATA_DIR +
                              '/WPCA_1.mat')['the_mat']  # 1x1x32768x4096
    WPCA_b = scipy.io.loadmat(DATA_DIR + '/WPCA_2.mat')['the_mat']  # 4096x1
    WPCA_M = WPCA_M[0, 0]  # 32768x4096
    WPCA_b = np.transpose(WPCA_b)  #1x4096

    return model, WPCA_M, WPCA_b
def load_basic_model():
    K.set_learning_phase(0)
    from CustomNets import make_from_mobilenet, make_from_vgg16
    from CustomNets import NetVLADLayer, GhostVLADLayer

    # Please choose only one of these.
    if False:  # VGG
        input_img = keras.layers.Input(shape=(240, 320, 3))
        cnn = make_from_vgg16(input_img,
                              weights=None,
                              layer_name='block5_pool',
                              kernel_regularizer=keras.regularizers.l2(0.01))
        model = keras.models.Model(inputs=input_img, outputs=cnn)

    if True:  #mobilenet
        input_img = keras.layers.Input(shape=(240, 320, 3))
        cnn = make_from_mobilenet(
            input_img,
            layer_name='conv_pw_5_relu',
            weights=None,
            kernel_regularizer=keras.regularizers.l2(0.01))
        model = keras.models.Model(inputs=input_img, outputs=cnn)

    if False:  #mobilenet+netvlad
        input_img = keras.layers.Input(shape=(240, 320, 3))
        cnn = make_from_mobilenet(
            input_img,
            layer_name='conv_pw_5_relu',
            weights=None,
            kernel_regularizer=keras.regularizers.l2(0.01))
        # cnn = make_from_vgg16( input_img, weights=None, layer_name='block5_pool', kernel_regularizer=keras.regularizers.l2(0.01) )
        out = NetVLADLayer(num_clusters=16)(cnn)
        model = keras.models.Model(inputs=input_img, outputs=out)

    if False:  #netvlad only
        input_img = keras.layers.Input(shape=(60, 80, 256))
        out = NetVLADLayer(num_clusters=16)(input_img)
        model = keras.models.Model(inputs=input_img, outputs=out)

    model.summary()
    return model
Пример #4
0
                                          image_nchnl))

    if CNN_type == 'mobilenet' or CNN_type == 'vgg16' or CNN_type == 'mobilenetv2':
        pass
    else:
        assert (False)

    # weights=imagenet will only work with nchanls=3
    cnn = None
    if CNN_type == 'mobilenet':
        cnn = make_from_mobilenet( input_img, layer_name=layer_name,\
                    weights=init_model_weights, kernel_regularizer=keras.regularizers.l2(0.01) )

    if CNN_type == 'vgg16':
        cnn = make_from_vgg16(input_img,
                              weights=init_model_weights,
                              layer_name=layer_name,
                              kernel_regularizer=keras.regularizers.l2(0.001))

    if CNN_type == 'mobilenetv2':
        cnn = make_from_mobilenetv2( input_img,  layer_name=layer_name,\
        weights=init_model_weights, kernel_regularizer=keras.regularizers.l2(0.01) )

    # Reduce nChannels of the output.
    # @ Downsample (Optional)
    if False:  #Downsample last layer (Reduce nChannels of the output.)
        cnn_dwn = keras.layers.Conv2D(256, (1, 1),
                                      padding='same',
                                      activation='relu')(cnn)
        cnn_dwn = keras.layers.normalization.BatchNormalization()(cnn_dwn)
        cnn_dwn = keras.layers.Conv2D(64, (1, 1),
                                      padding='same',
    # int_logr = InteractiveLogger( './models.keras/mobilenet_conv7_quash_chnls_allpairloss/' )
    # int_logr = InteractiveLogger( './models.keras/mobilenet_conv7_quash_chnls_tripletloss2_K64/' )

    # int_logr = InteractiveLogger( './models.keras/vgg16/block5_pool_k48_tripletloss2' )
    int_logr = InteractiveLogger(
        './models.keras/vgg16_new/block5_pool_k16_allpairloss')

    #--------------------------------------------------------------------------
    # Core Model Setup
    #--------------------------------------------------------------------------
    # Build
    input_img = keras.layers.Input(shape=(image_nrows, image_ncols,
                                          image_nchnl))
    # cnn = make_from_mobilenet( input_img )
    cnn = make_from_vgg16(input_img, layer_name='block5_pool')
    # Reduce nChannels of the output.
    # @ Downsample (Optional)
    if False:  #Downsample last layer (Reduce nChannels of the output.)
        cnn_dwn = keras.layers.Conv2D(256, (1, 1),
                                      padding='same',
                                      activation='relu')(cnn)
        cnn_dwn = keras.layers.normalization.BatchNormalization()(cnn_dwn)
        cnn_dwn = keras.layers.Conv2D(32, (1, 1),
                                      padding='same',
                                      activation='relu')(cnn_dwn)
        cnn_dwn = keras.layers.normalization.BatchNormalization()(cnn_dwn)
        cnn = cnn_dwn

    out, out_amap = NetVLADLayer(num_clusters=16)(cnn)
    model = keras.models.Model(inputs=input_img, outputs=out)
def do_demo():
    im_rows = 240
    im_cols = 320
    im_chnls = 3

    im_rows = 480
    im_cols = 640
    im_chnls = 3

    ##------ Create Model (from json file)
    # [[[[[Option-A]]]]] (load from json) this doesn't work. seem like i need to implement get_config in my custom layer which I am not able to do correctly, TODO fix in the future
    # json_fname = base_path+'/model.json'
    # print 'Read model json: ', json_fname
    # with open(json_fname, 'r') as myfile:
    # model_json_string=myfile.read()
    # model = keras.models.model_from_json( model_json_string, custom_objects={'NetVLADLayer': NetVLADLayer} )

    # [[[[[Option-B]]]]] (from h5 files). Apparently h5 stores the model config and the weights.
    # h5_fname = base_path+'/model.h5'
    # model = keras.models.load_model( h5_fname, custom_objects={'NetVLADLayer': NetVLADLayer} )

    # [[[[[Option-C]]]]] : Construct manually
    # @ Input
    # input_img = keras.layers.Input( shape=(480, 640, 3 ) )
    # input_img = keras.layers.Input( shape=(240, 320, 3 ) )
    # input_img = keras.layers.Input( batch_shape=(1,480, 640, 3 ) )
    input_img = keras.layers.Input(batch_shape=(1, im_rows, im_cols, im_chnls))

    # @ CNN
    cnn = make_from_vgg16(input_img, weights=None, layer_name='block5_pool')
    # cnn = make_from_mobilenet( input_img, weights=None, layer_name='conv_pw_13_relu' )

    # @ Downsample (Optional)
    if False:  #Downsample last layer (Reduce nChannels of the output.)
        cnn_dwn = keras.layers.Conv2D(256, (1, 1),
                                      padding='same',
                                      activation='relu')(cnn)
        cnn_dwn = keras.layers.normalization.BatchNormalization()(cnn_dwn)
        cnn_dwn = keras.layers.Conv2D(32, (1, 1),
                                      padding='same',
                                      activation='relu')(cnn_dwn)
        cnn_dwn = keras.layers.normalization.BatchNormalization()(cnn_dwn)
        cnn = cnn_dwn

    # @ NetVLADLayer
    out, out_amap = NetVLADLayer(num_clusters=16)(cnn)
    model = keras.models.Model(inputs=input_img, outputs=out)

    ##---------- Print Model Info, Memory Usage, FLOPS
    if True:  # Set this to `True` to display FLOPs, memory etc .
        model.summary()
        # print_flops_report( model )
        # print_model_memory_usage( 1, model )
        print 'input_shape=%s\toutput_shape=%s' % (model.input_shape,
                                                   model.output_shape)

    ##------------ Load Weights
    model_file = './models.keras/vgg16_new/block5_pool_k16_allpairloss/core_model.1000.keras'
    print 'load_weights=', model_file
    model.load_weights(model_file)
    code.interact(local=locals())

    ##------------model.predict
    # Load your image here.
    tmp_zer = np.random.rand(1, im_rows, im_cols, im_chnls).astype('float32')
    start = time.time()
    tmp_zer_out = model.predict(tmp_zer)
    print 'Exec in %4.2fms' % (1000. * (time.time() - start))

    tmp_zer = np.random.rand(1, im_rows, im_cols, im_chnls).astype('float32')
    start = time.time()
    tmp_zer_out = model.predict(tmp_zer)
    print 'Exec in %4.2fms' % (1000. * (time.time() - start))