scheme_segnet <- function(width, initial_filters = 32, full_depth = TRUE) {
depth <- as.integer(log2(width) - 1)
if (full_depth)
depth <- depth + 1
scheme <- DLscheme$new()
scheme$add(width = width,
only_convolutionals = TRUE,
output_width = width,
num_features = 3,
vol_layers_pattern = segnet(depth = depth,
mode = "convolutional",
initial_filters = initial_filters),
vol_dropout = 0,
feature_layers = list(),
feature_dropout = 0,
common_layers = list(),
common_dropout = 0,
last_hidden_layers = list(),
optimizer = "adadelta",
scale = "none",
scale_y = "none")
return(scheme)
}
scheme_unet <- function(width, initial_filters = 32, full_depth = TRUE) {
depth <- as.integer(log2(width) - 1)
if (full_depth)
depth <- depth + 1
scheme <- DLscheme$new()
scheme$add(width = width,
only_convolutionals = TRUE,
output_width = width,
num_features = 3,
vol_layers_pattern = unet(depth = depth,
mode = "convolutional",
initial_filters = initial_filters),
vol_dropout = 0,
feature_layers = list(),
feature_dropout = 0,
common_layers = list(),
common_dropout = 0,
last_hidden_layers = list(),
optimizer = "adadelta",
scale = "none",
scale_y = "none")
return(scheme)
}
scheme_meshnet <- function(width, initial_filters = 32, num_blocks = 7, dropout = 0.25) {
scheme <- DLscheme$new()
scheme$add(width = width,
only_convolutionals = TRUE,
output_width = width,
num_features = 3,
vol_layers_pattern = meshnet(num_filters = initial_filters,
num_blocks = num_blocks,
dropout = dropout,
out_filters = 0),
vol_dropout = 0,
feature_layers = list(),
feature_dropout = 0,
common_layers = list(),
common_dropout = 0,
last_hidden_layers = list(),
optimizer = "adadelta",
scale = "none",
scale_y = "none")
return(scheme)
}
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