Пример #1
0
def get_dataset(path):
    content = os.listdir(path)
    if not all(x in ['train', 'valid', 'test'] for x in content):
        print_error('Folder does not contain image or label folder. Path probably not correct')
        raise Exception('Fix dataset_path in config')
    content.sort()
    return content
Пример #2
0
    def _chunkify(self, dataset, nr_of_chunks, batch_size):
        #Round items per chunk down until there is an exact number of minibatches. Multiple of batch_size
        items_per_chunk = len(dataset[0]) / nr_of_chunks
        if (items_per_chunk < batch_size):
            print_error(
                'Chunk limit in config set to small, or batch size to large. \n'
                'Each chunk must include at least one batch.')
            raise Exception('Fix chunk_size and batch_size')
        temp = int(items_per_chunk / batch_size)
        items_per_chunk = batch_size * temp
        data, labels = dataset
        #TODO:do floatX operation twice.
        chunks = [[
            AbstractDataset._floatX(data[x:x + items_per_chunk]),
            AbstractDataset._floatX(labels[x:x + items_per_chunk])
        ] for x in xrange(0, len(dataset[0]), items_per_chunk)]

        #If the last chunk is less than batch size, it is cut. No reason for an unnecessary swap.
        last_chunk_size = len(chunks[-1][0])
        #TODO: Quick fix
        if (last_chunk_size < batch_size * 15):
            chunks.pop(-1)
            print('---- Removed last chunk. '
                  '{} elements not enough for at least one minibatch of {}'.
                  format(last_chunk_size, batch_size))
        return chunks
Пример #3
0
 def dataset_check(name, dataset, batch_size):
     #If there are are to few examples for at least one batch, the dataset is invalid.
     if len(dataset[0]) < batch_size:
         print_error(
             'Insufficent examples in {}. '
             '{} examples not enough for at least one minibatch'.format(
                 name, len(dataset[0])))
         raise Exception(
             'Decrease batch_size or increase samples_per_image')
Пример #4
0
def get_dataset(path):
    content = os.listdir(path)
    if not all(x in ['train', 'valid', 'test'] for x in content):
        print_error(
            'Folder does not contain image or label folder. Path probably not correct'
        )
        raise Exception('Fix dataset_path in config')
    content.sort()
    return content
Пример #5
0
    def _chunkify(self, dataset, nr_of_chunks, batch_size):
        #Round items per chunk down until there is an exact number of minibatches. Multiple of batch_size
        items_per_chunk = len(dataset[0])/ nr_of_chunks
        if(items_per_chunk < batch_size):
            print_error('Chunk limit in config set to small, or batch size to large. \n'
                        'Each chunk must include at least one batch.')
            raise Exception('Fix chunk_size and batch_size')
        temp = int(items_per_chunk / batch_size)
        items_per_chunk = batch_size * temp
        data, labels = dataset
        #TODO:do floatX operation twice.
        chunks = [[AbstractDataset._floatX(data[x:x+items_per_chunk]), AbstractDataset._floatX(labels[x:x+items_per_chunk])]
                         for x in xrange(0, len(dataset[0]), items_per_chunk)]

        #If the last chunk is less than batch size, it is cut. No reason for an unnecessary swap.
        last_chunk_size = len(chunks[-1][0])
        #TODO: Quick fix
        if(last_chunk_size < batch_size*15):
            chunks.pop(-1)
            print('---- Removed last chunk. '
                  '{} elements not enough for at least one minibatch of {}'.format(last_chunk_size, batch_size))
        return chunks
Пример #6
0
 def dataset_check(name, dataset, batch_size):
     #If there are are to few examples for at least one batch, the dataset is invalid.
     if len(dataset[0]) < batch_size:
         print_error('Insufficent examples in {}. '
                     '{} examples not enough for at least one minibatch'.format(name, len(dataset[0])))
         raise Exception('Decrease batch_size or increase samples_per_image')
Пример #7
0
 def callback(response):
     if(response.body == 'Unauthorized'):
         print_error('Gui is enabled, but token in secret.py is invalid')
         raise Exception('Token is invalid')
     global current_id
     current_id = response.body['id']