diff --git a/app/examples/face_recognition_train.cpp b/app/examples/face_recognition_train.cpp
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+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright 2012 The MITRE Corporation                                      *
+ *                                                                           *
+ * Licensed under the Apache License, Version 2.0 (the "License");           *
+ * you may not use this file except in compliance with the License.          *
+ * You may obtain a copy of the License at                                   *
+ *                                                                           *
+ *     http://www.apache.org/licenses/LICENSE-2.0                            *
+ *                                                                           *
+ * Unless required by applicable law or agreed to in writing, software       *
+ * distributed under the License is distributed on an "AS IS" BASIS,         *
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  *
+ * See the License for the specific language governing permissions and       *
+ * limitations under the License.                                            *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*!
+ * \ingroup cli
+ * \page cli_face_recognition_train Face Recognition Train
+ * \ref cpp_face_recognition_train "C++ Equivalent"
+ * \code
+ * $ br -algorithm 'Open+Cvt(Gray)+Cascade(FrontalFace)+ASEFEyes+Affine(128,128,0.33,0.45)+(Grid(10,10)+SIFTDescriptor(12)+ByRow)/(Blur(1.1)+Gamma(0.2)+DoG(1,2)+ContrastEq(0.1,10)+LBP(1,2)+RectRegions(8,8,6,6)+Hist(59))+PCA(0.95)+Normalize(L2)+Dup(12)+RndSubspace(0.05,1)+LDA(0.98)+Cat+PCA(0.95)+Normalize(L1)+Quantize:NegativeLogPlusOne(ByteL1)' -train ../data/ATT/img FaceRecognitionATT
+ * \endcode
+ */
+
+//! [face_recognition_train]
+#include <openbr/openbr_plugin.h>
+
+int main(int argc, char *argv[])
+{
+    br::Context::initialize(argc, argv);
+
+    const QString trainedModelFile = "FaceRecognitionATT";
+    if (QFile(trainedModelFile).exists())
+        return 0; // Already trained
+
+    br::Globals->algorithm = "Open+Cvt(Gray)+Cascade(FrontalFace)+ASEFEyes+Affine(128,128,0.33,0.45)+(Grid(10,10)+SIFTDescriptor(12)+ByRow)/(Blur(1.1)+Gamma(0.2)+DoG(1,2)+ContrastEq(0.1,10)+LBP(1,2)+RectRegions(8,8,6,6)+Hist(59))+PCA(0.95)+Normalize(L2)+Dup(12)+RndSubspace(0.05,1)+LDA(0.98)+Cat+PCA(0.95)+Normalize(L1)+Quantize:NegativeLogPlusOne(ByteL1)";
+    // br::Globals->algorithm = "4SF"; // Equally valid alternative. "4SF" is the abbreviation, see openbr/plugins/algorithms.cpp
+
+    // Note the structure of the `../data/ATT/img` training data:
+    //  - Subdirectory for each person
+    //  - Multiple images per person
+    // Run `scripts/downloadDatasets.sh` to obtain these images if you haven't already.
+    const QString trainingData = "../data/ATT/img";
+
+    // After training completes you can use `FaceRecognitionATT` like `FaceRecognition`:
+    //  $ br -algorithm FaceRecognitionATT
+    // provided the `FaceRecognitionATT` file is in your current working directory or in `share/openbr/models/algorithms`.
+    printf("Note: Training will take at least a few minutes to complete.\n");
+    br::Train(trainingData, trainedModelFile);
+
+    br::Context::finalize();
+    return 0;
+}
+//! [face_recognition_train]