Predicting Age & Gender using Data Science
<p>In the field of computer vision, deep learning has found a lot of use. The domains that deal with facial data are some of the most important applications of computer vision. Face recognition and detection are common in security-related applications.</p>
<p>Age and gender prediction are used extensively in the field of computer vision for surveillance. Advancement in computer vision makes this prediction even more practical and open to all. Significant improvements have been made in this research area due to its usefulness in intelligent real-world applications.</p>
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<p><strong>Application</strong></p>
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<p>A human face contains features that determine the identity, age, gender, emotions, and ethnicity of people. Among these features, age and gender classification can be especially helpful in several real-world applications including security and video surveillance, electronic customer relationship management, biometrics, electronic vending machines, human-computer interaction, entertainment, cosmetology, and forensic art.</p>
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<p><strong>Implementation</strong></p>
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<p>Typically, you’ll see age detection implemented as a two-stage process:</p>
<p><strong>1. Stage 1:</strong> Detect faces from the input image</p>
<p><strong>2. Stage 2:</strong> Extract the face Region of Interest (ROI), and apply the age detector algorithm to predict the age of the person</p>
<p><strong>For Stage 1</strong>, any face detector capable of producing bounding boxes for faces in an image can be used</p>
<p>The face detector produces the bounding box coordinates of the face in the image.</p>
<p><strong>For Stage 2 — identifying the age of the person.</strong></p>
<p>Given the bounding box <em>(x, y)</em>-coordinates of the face, we first extract the face ROI, ignoring the rest of the image/frame. Doing so allows the age detector to focus <em>solely</em> on the person’s face and not any other irrelevant “noise” in the image.</p>
<p>The face ROI is then passed through the model, yielding the actual age prediction.</p>
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