ms762wu/EMG_Biometrics_2021
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fix: fix functionality of mfcc table func

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This commit is contained in:
Skudalen 2021-07-07 10:33:53 +02:00
parent 1ff4f76bb9
commit 31cf8a110d
3 changed files with 25 additions and 26 deletions
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31
Handle_emg_data.py
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@ -574,22 +574,27 @@ class DL_data_handler:
self.samples_per_subject[subject_nr+1] = subj_samples self.samples_per_subject[subject_nr+1] = subj_samples
def make_mfcc_table_of_emglist(self, emg_list, df_original): def make_mfcc_df_from_session_df(self, session_df):
samplerate = get_samplerate(df_original) session_df.rename(columns={0:'timestamp'}, inplace=True)
signal = get_xory_from_df('y', emg_list[0]) samplerate = get_samplerate(session_df)
mfcc_0 = mfcc_custom(signal, samplerate, MFCC_WINDOWSIZE, MFCC_STEPSIZE, NR_COEFFICIENTS, NR_MEL_BINS) #attach_func = lambda list_1, list_2: list_1.tolist().extend(list_2.tolist())
df = DataFrame(mfcc_0)
attach_func = lambda list_1, list_2: list_1.extend(list_2) attach_func = lambda list_1, list_2: list_1.extend(list_2)
for i in range(15):
signal = get_xory_from_df('y', emg_list[i+1])
mfcc_i = mfcc_custom(signal, samplerate, MFCC_WINDOWSIZE, MFCC_STEPSIZE, NR_COEFFICIENTS, NR_MEL_BINS)
mfcc_i = DataFrame(mfcc_i)
df.combine(mfcc_i, attach_func)
return df signal = session_df[1]
mfcc_0 = mfcc_custom(signal, samplerate, MFCC_WINDOWSIZE, MFCC_STEPSIZE, NR_COEFFICIENTS, NR_MEL_BINS)
df = DataFrame(mfcc_0).dropna()
df['combined'] = df.values.tolist()
result_df = df['combined']
#print(result_df)
pass for i in range(2, 17):
signal_i = session_df[i]
mfcc_i = mfcc_custom(signal_i, samplerate, MFCC_WINDOWSIZE, MFCC_STEPSIZE, NR_COEFFICIENTS, NR_MEL_BINS)
mfcc_i = DataFrame(mfcc_i).dropna()
mfcc_i['combined'] = mfcc_i.values.tolist()
df = result_df.combine(mfcc_i['combined'], attach_func)
return result_df
def store_mfcc_samples(self): def store_mfcc_samples(self):
for subject_nr in range(5): for subject_nr in range(5):

20
Present_data.py
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@ -221,19 +221,13 @@ def main():
csv_handler = CSV_handler() csv_handler = CSV_handler()
csv_handler.load_data('soft') csv_handler.load_data('soft')
dl_data_handler = DL_data_handler(csv_handler) dl_data_handler = DL_data_handler(csv_handler)
dl_data_handler.store_samples(5) emg_list = dl_data_handler.get_emg_list(1, 1)
dict = dl_data_handler.samples_per_subject session_df = dl_data_handler.make_subj_sample(emg_list)
#print(dict.get(1)[2][0], dict.get(1)[10][1]) print(session_df)
#print(dict.get(1)[15][0], dict.get(1)[10][1]) df = dl_data_handler.make_mfcc_df_from_session_df(session_df)
#print(dict.get(1)) print(df)
''' print(len(df.iloc[0]))
print(len(dict.get(1)))
print(len(dict.get(2)))
print(len(dict.get(3)))
print(len(dict.get(4)))
print(len(dict.get(5)))
'''
dl_data_handler.save_mfcc()

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__pycache__/Handle_emg_data.cpython-38.pyc
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