int NumSequenceMatches(const TransformationParameter transform_param,
const Datum& datum, Phase phase) {
// Get crop sequence with Caffe seed 1701.
DataTransformer<Dtype> transformer(transform_param, phase);
const int crop_size = transform_param.crop_size();
Caffe::set_random_seed(seed_);
transformer.InitRand();
Blob<Dtype> blob(1, datum.channels(), datum.height(), datum.width());
if (transform_param.crop_size() > 0) {
blob.Reshape(1, datum.channels(), crop_size, crop_size);
}
vector<vector<Dtype> > crop_sequence;
for (int iter = 0; iter < this->num_iter_; ++iter) {
vector<Dtype> iter_crop_sequence;
transformer.Transform(datum, &blob);
for (int j = 0; j < blob.count(); ++j) {
iter_crop_sequence.push_back(blob.cpu_data()[j]);
}
crop_sequence.push_back(iter_crop_sequence);
}
// Check if the sequence differs from the previous
int num_sequence_matches = 0;
for (int iter = 0; iter < this->num_iter_; ++iter) {
vector<Dtype> iter_crop_sequence = crop_sequence[iter];
transformer.Transform(datum, &blob);
for (int j = 0; j < blob.count(); ++j) {
num_sequence_matches += (crop_sequence[iter][j] == blob.cpu_data()[j]);
}
}
return num_sequence_matches;
}
