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Table 1 The statistical results of bacterial colony images classification using the three neural networks

From: Novel neural network application for bacterial colony classification

 

Accuracy

Precision

Sensitivity

Specificity

 

CNN

AlexNet

Autoencoder

CNN

AlexNet

Autoencoder

CNN

AlexNet

Autoencoder

CNN

AlexNet

Autoencoder

Streptococcus agalactiae

0.984

0.965

0.979

0.780

0.603

0.754

1.000

1.000

0.935

0.983

0.965

0.983

Klebsiella oxytoca

0.938

0.939

0.954

0.189

0.299

0.326

0.238

0.655

0.337

0.964

0.950

0.976

Staphylococcus hominis

0.997

0.993

0.989

0.938

0.881

0.773

0.900

0.740

0.680

0.999

0.998

0.996

Stenotrophomonas maltophilia

0.958

0.969

0.971

0.744

0.791

0.771

0.574

0.679

0.809

0.986

0.989

0.984

Escherichia coli

0.961

0.966

0.968

0.787

0.726

0.844

0.733

0.906

0.748

0.983

0.973

0.988

Staphylococcus capitis

0.988

0.986

0.981

0.722

0.626

0.609

0.839

1.000

0.677

0.992

0.986

0.989

Proteus mirabilis

0.938

0.974

0.951

0.659

0.870

0.683

0.315

0.722

0.567

0.987

0.993

0.981

Enterococcus faecium

0.981

0.912

0.969

0.783

0.172

0.361

0.310

0.776

0.373

0.998

0.916

0.984

Burkholderia cepacia

0.993

0.983

0.982

0.750

0.392

0.609

0.706

0.588

0.519

0.997

0.988

0.993

Staphylococcus haemolyticus

0.989

0.983

0.984

0.975

0.736

0.760

0.760

0.885

0.893

0.999

0.987

0.988

Serratia marcescens

0.981

0.922

0.977

0.844

0.889

0.735

0.663

0.248

0.649

0.995

0.997

0.991

Enterococcus faecalis

0.992

0.990

0.979

0.778

0.643

0.080

0.467

0.300

0.069

0.998

0.998

0.990

Pseudomonas aeruginosa

0.922

0.971

0.954

0.546

0.960

0.748

0.929

0.714

0.786

0.928

0.997

0.974

Klebsiella pneumoniae

0.955

0.983

0.964

0.678

0.942

0.733

0.520

0.760

0.707

0.984

0.997

0.985

Staphylococcus epidermidis

0.978

0.986

0.977

0.817

0.938

0.735

0.708

0.750

0.815

0.992

0.998

0.986

Staphylococcus aureus

0.972

0.983

0.975

0.845

0.959

0.923

0.958

0.901

0.878

0.977

0.995

0.990

Enterococcus cloacae

0.962

0.970

0.968

0.482

0.551

0.558

0.602

0.557

0.489

0.976

0.984

0.986

Acinetobacter baumannii

0.919

0.939

0.931

0.707

0.919

0.727

0.701

0.575

0.784

0.958

0.993

0.959

Average

0.967

0.967

0.970

0.723

0.716

0.652

0.662

0.709

0.651

0.983

0.984

0.985