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<div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(Redirected from <a href="/w/index.php?title=Facial_expression_databases&redirect=no" class="mw-redirect" title="Facial expression databases">Facial expression databases</a>)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><p> A <b>facial expression database</b> is a collection of images or video clips with <a href="/wiki/Facial_expression" title="Facial expression">facial expressions</a> of a range of <a href="/wiki/Emotions" class="mw-redirect" title="Emotions">emotions</a>. Well-annotated (<a href="/wiki/Emotion" title="Emotion">emotion</a>-tagged) media content of facial behavior is essential for training, testing, and validation of <a href="/wiki/Algorithm" title="Algorithm">algorithms</a> for the development of <a href="/wiki/Emotion_recognition" title="Emotion recognition">expression recognition systems</a>. The emotion annotation can be done in <a href="/wiki/Discrete_emotion_theory" title="Discrete emotion theory">discrete emotion</a> labels or on a continuous scale. Most of the databases are usually based on the <a href="/wiki/Basic_emotions" class="mw-redirect" title="Basic emotions">basic emotions</a> theory (by <a href="/wiki/Paul_Ekman" title="Paul Ekman">Paul Ekman</a>) which assumes the existence of six discrete basic emotions (anger, fear, disgust, surprise, joy, sadness). However, some databases include the emotion tagging in continuous arousal-valence scale. </p><p>In posed expression databases, the participants are asked to display different basic emotional expressions, while in spontaneous expression database, the expressions are natural. Spontaneous expressions differ from posed ones remarkably in terms of intensity, configuration, and duration. Apart from this, synthesis of some AUs are barely achievable without undergoing the associated emotional state. Therefore, in most cases, the posed expressions are exaggerated, while the spontaneous ones are subtle and differ in appearance. </p><p>Many publicly available databases are categorized here.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Here are some details of the <a href="/wiki/Facial_expression" title="Facial expression">facial expression</a> databases. </p> <table class="wikitable"> <tbody><tr> <th>Database </th> <th>Facial expression </th> <th>Number of Subjects </th> <th>Number of images/videos </th> <th>Gray/Color </th> <th>Resolution, Frame rate </th> <th>Ground truth </th> <th>Type </th></tr> <tr> <td>FERG-3D-DB (Facial Expression Research Group 3D Database) for stylized characters <sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </td> <td>angry, disgust, fear, joy, neutral, sad, surprise </td> <td>4 </td> <td>39574 annotated examples </td> <td>Color </td> <td> </td> <td>Emotion labels </td> <td>Frontal pose </td></tr> <tr> <td>Ryerson Audio-Visual Database of Emotional Speech and Song (RAVDESS) <sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </td> <td>Speech: Calm, happy, sad, angry, fearful, surprise, disgust, and neutral. <p>Song: Calm, happy, sad, angry, fearful, and neutral. Each expression at two levels of emotional intensity. </p> </td> <td>24  </td> <td>7356 video and audio files </td> <td>Color </td> <td>1280x720 (720p) </td> <td>Facial expression labels <p>Ratings provided by 319 human raters </p> </td> <td>Posed </td></tr> <tr> <td>Extended Cohn-Kanade Dataset (CK+)<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </td> <td>neutral, sadness, surprise, happiness, fear, anger, contempt and disgust </td> <td>123  </td> <td>593 image sequences (327 sequences having discrete emotion labels) </td> <td>Mostly gray </td> <td>640* 490 </td> <td>Facial expression labels and FACS (AU label for final frame in each image sequence) </td> <td>Posed; spontaneous smiles </td></tr> <tr> <td>Japanese Female Facial Expressions (JAFFE)<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </td> <td>neutral, sadness, surprise, happiness, fear, anger, and disgust </td> <td>10 </td> <td>213 static images </td> <td>Gray </td> <td>256* 256 </td> <td>Facial expression label </td> <td>Posed </td></tr> <tr> <td>MMI Database<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </td> <td> </td> <td>43 </td> <td>1280 videos and over 250 images </td> <td>Color </td> <td>720* 576 </td> <td>AU label for the image frame with apex facial expression in each image sequence </td> <td>Posed and Spontaneous </td></tr> <tr> <td rowspan="3">Belfast Database<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </td> <td>Set 1 (disgust, fear, amusement, frustration, surprise) </td> <td>114 </td> <td>570 video clips </td> <td>Color </td> <td>720*576 </td> <td> </td> <td rowspan="3">Natural Emotion </td></tr> <tr> <td>Set 2 (disgust, fear, amusement, frustration, surprise, anger, sadness) </td> <td>82 </td> <td>650 video clips </td> <td>Color </td> <td> </td> <td> </td></tr> <tr> <td>Set 3 (disgust, fear, amusement) </td> <td>60 </td> <td>180 video clips </td> <td>Color </td> <td>1920*1080 </td> <td> </td></tr> <tr> <td>Indian Semi-Acted Facial Expression Database (iSAFE)<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </td> <td>Happy, Sad, Fear, Surprise, Angry, Neutral, Disgust </td> <td>44 </td> <td>395 clips </td> <td>Color </td> <td>1920x1080 <p>(60 fps) </p> </td> <td>Emotion labels </td> <td>Spontaneous </td></tr> <tr> <td>DISFA<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td> <td>- </td> <td>27 </td> <td>4,845 video frames </td> <td>Color </td> <td>1024*768; 20 fps </td> <td>AU intensity for each video frame (12 AUs) </td> <td>Spontaneous </td></tr> <tr> <td>Multimedia Understanding Group (MUG)<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </td> <td>neutral, sadness, surprise, happiness, fear, anger, and disgust </td> <td>86 </td> <td>1462 sequences </td> <td>Color </td> <td>896*896, 19fps </td> <td>Emotion labels </td> <td>Posed </td></tr> <tr> <td>Indian Spontaneous Expression Database (ISED)<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </td> <td>sadness, surprise, happiness, and disgust </td> <td>50 </td> <td>428 videos  </td> <td>Color </td> <td>1920* 1080, 50 fps </td> <td>Emotion labels </td> <td>Spontaneous </td></tr> <tr> <td>Radboud Faces Database (RaFD)<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </td> <td>neutral, sadness, contempt, surprise, happiness, fear, anger, and disgust </td> <td>67 </td> <td>Three different gaze directions and five camera angles (8*67*3*5=8040 images) </td> <td>Color </td> <td>681*1024 </td> <td>Emotion labels </td> <td>Posed </td></tr> <tr> <td>Oulu-CASIA NIR-VIS database </td> <td>surprise, happiness, sadness, anger, fear and disgust </td> <td>80 </td> <td>three different illumination conditions: normal, weak and dark (total 2880 video sequences) </td> <td>Color </td> <td>320×240 </td> <td> </td> <td>Posed </td></tr> <tr> <td>FERG (Facial Expression Research Group Database)-DB<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> for stylized characters </td> <td>angry, disgust, fear, joy, neutral, sad, surprise </td> <td>6 </td> <td>55767 </td> <td>Color </td> <td>768x768 </td> <td>Emotion labels </td> <td>Frontal pose </td></tr> <tr> <td>AffectNet<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </td> <td>neutral, happy, sad, surprise, fear, disgust, anger, contempt </td> <td> </td> <td>~450,000 manually annotated <p>~ 500,000 automatically annotated </p> </td> <td>Color </td> <td>Various </td> <td>Emotion labels, valence, arousal </td> <td>Wild setting </td></tr> <tr> <td>IMPA-FACE3D<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </td> <td>neutral frontal, joy, sadness, surprise, anger, disgust, fear, opened, closed, kiss, left side, right side, neutral sagittal left, neutral sagittal right, nape and forehead (acquired sometimes) </td> <td>38 </td> <td>534 static images </td> <td>Color </td> <td>640X480 </td> <td>Emotion labels </td> <td>Posed </td></tr> <tr> <td>FEI Face Database </td> <td>neutral,smile </td> <td>200 </td> <td>2800 static images </td> <td>Color </td> <td>640X480 </td> <td>Emotion labels </td> <td>Posed </td></tr> <tr> <td>Aff-Wild<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> </td> <td>valence and arousal </td> <td>200 </td> <td>~1,250,000 manually annotated </td> <td>Color </td> <td>Various (average = 640x360) </td> <td>Valence, Arousal </td> <td>In-the-Wild setting </td></tr> <tr> <td>Aff-Wild2<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </td> <td>neutral, happiness, sadness, surprise, fear, disgust, anger + valence-arousal + action units 1,2,4,6,12,15,20,25 </td> <td>458 </td> <td>~2,800,000 manually annotated </td> <td>Color </td> <td>Various (average = 1030x630) </td> <td>Valence, Arousal, 7 basic expressions, action units for each video frame </td> <td>In-the-Wild setting </td></tr> <tr> <td>Real-world Affective Faces Database (RAF-DB)<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> </td> <td>6 classes of <b>basic emotions</b> (Surprised, Fear, Disgust, Happy, Sad, Angry) plus Neutral and 12 classes of <b>compound emotions</b> (Fearfully Surprised, Fearfully Disgusted, Sadly Angry, Sadly Fearful, Angrily Disgusted, Angrily Surprised, Sadly Disgusted, Disgustedly Surprised, Happily Surprised, Sadly Surprised, Fearfully Angry, Happily Disgusted) </td> <td> </td> <td>29672 annotated examples </td> <td>Color </td> <td>Various for original dataset and 100x100 for aligned dataset </td> <td>Emotion labels </td> <td>Posed and Spontaneous </td></tr> </tbody></table> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_facial_expression_databases&action=edit&section=1" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output 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(2017). <a rel="nofollow" class="external text" href="https://ieeexplore.ieee.org/document/8099760">"Reliable Crowdsourcing and Deep Locality-Preserving Learning for Expression Recognition in the Wild"</a>. <i>2017 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)</i>. pp. 2584–2593. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1109%2FCVPR.2017.277">10.1109/CVPR.2017.277</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-5386-0457-1" title="Special:BookSources/978-1-5386-0457-1"><bdi>978-1-5386-0457-1</bdi></a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:11413183">11413183</a>.</cite><span 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System">Facial Action Coding System</a></li> <li><a href="/wiki/Microexpression" title="Microexpression">Microexpression</a></li> <li><a href="/wiki/Subtle_expression" title="Subtle expression">Subtle expression</a></li></ul></li> <li><a href="/wiki/Gesture" title="Gesture">Gesture</a> <ul><li><a href="/wiki/List_of_gestures" title="List of gestures">List</a></li> <li><a href="/wiki/Speech-independent_gestures" class="mw-redirect" title="Speech-independent gestures">Speech-independent gestures</a></li></ul></li> <li><a href="/wiki/Haptic_communication" title="Haptic communication">Haptic communication</a></li> <li><a href="/wiki/Imitation" title="Imitation">Imitation</a></li> <li><a href="/wiki/Synchronization#Human_movement" title="Synchronization">Interpersonal synchrony</a></li> <li><a href="/wiki/Laughter" title="Laughter">Laughter</a></li> <li><a href="/wiki/Oculesics" title="Oculesics">Oculesics</a> <ul><li><a href="/wiki/Eye_contact" title="Eye contact">Eye contact</a></li> <li><a href="/wiki/Pupillary_response" title="Pupillary response">Pupil dilation</a></li></ul></li> <li><a href="/wiki/Olfactic_communication" title="Olfactic communication">Olfaction</a></li> <li><a href="/wiki/Posture_(psychology)" title="Posture (psychology)">Posture</a></li> <li><a href="/wiki/Proxemics" title="Proxemics">Proxemics</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Speech" title="Speech">Speech</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Affect_(linguistics)" title="Affect (linguistics)">Affect</a></li> <li><a href="/wiki/Emotional_prosody" title="Emotional prosody">Emotional prosody</a></li> <li><a href="/wiki/Paralanguage" title="Paralanguage">Paralanguage</a> <ul><li><a href="/wiki/Intonation_(linguistics)" title="Intonation (linguistics)">Intonation</a></li> <li><a href="/wiki/Loudness" title="Loudness">Loudness</a></li> <li><a href="/wiki/Prosody_(linguistics)" title="Prosody (linguistics)">Prosody</a></li> <li><a href="/wiki/Rhythm" title="Rhythm">Rhythm</a></li> <li><a href="/wiki/Stress_(linguistics)" title="Stress (linguistics)">Stress</a></li> <li><a href="/wiki/Tone_(linguistics)" title="Tone (linguistics)">Tone</a></li> <li><a href="/wiki/Phonation" title="Phonation">Voice quality</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Social_environment" title="Social environment">Social context</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Chronemics" title="Chronemics">Chronemics</a></li> <li><a href="/wiki/Convention_(norm)" title="Convention (norm)">Conventions</a></li> <li><a href="/wiki/Display_rules" title="Display rules">Display rules</a></li> <li><a href="/wiki/Habitus_(sociology)" title="Habitus (sociology)">Habitus</a></li> <li><a href="/wiki/High-context_and_low-context_cultures" title="High-context and low-context cultures">High-context and low-context cultures</a></li> <li><a href="/wiki/Interpersonal_relationship" title="Interpersonal relationship">Interpersonal relationship</a></li> <li><a href="/wiki/Social_norm" title="Social norm">Social norm</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Emoticon" title="Emoticon">Emoticon</a> / <a href="/wiki/Smiley" title="Smiley">Smiley</a></li> <li><a href="/wiki/One-bit_message" title="One-bit message">One-bit message</a> <ul><li><a href="/wiki/Missed_call" title="Missed call">Missed call</a></li></ul></li> <li><a href="/wiki/Silent_service_code" title="Silent service code">Silent service code</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Unconscious_communication" title="Unconscious communication">Unconscious</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Microexpression" title="Microexpression">Microexpression</a></li> <li><a href="/wiki/Non-verbal_leakage" title="Non-verbal leakage">Non-verbal leakage</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Multi-faceted</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Affect_display" title="Affect display">Affect display</a></li> <li><a href="/wiki/Deception" title="Deception">Deception</a></li> <li><a href="/wiki/Emotion_recognition" title="Emotion recognition">Emotion recognition</a></li> <li><a href="/wiki/First_impression_(psychology)" title="First impression (psychology)">First impression</a></li> <li><a href="/wiki/Intimate_relationship" title="Intimate relationship">Intimacy</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Broader_concepts" style="font-size:114%;margin:0 4em">Broader concepts</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Basic_interpersonal_communicative_skills" class="mw-redirect" title="Basic interpersonal communicative skills">Basic interpersonal communicative skills</a></li> <li><a href="/wiki/Communication" title="Communication">Communication</a></li> <li><a href="/wiki/Emotional_intelligence" title="Emotional intelligence">Emotional intelligence</a></li> <li><a href="/wiki/Nunchi" title="Nunchi">Nunchi</a></li> <li><a href="/wiki/People_skills" title="People skills">People skills</a></li> <li><a href="/wiki/Semiotics" title="Semiotics">Semiotics</a></li> <li><a href="/wiki/Social_behavior" title="Social behavior">Social behavior</a></li> <li><a href="/wiki/Social_cue" title="Social cue">Social cue</a></li> <li><a href="/wiki/Social_competence" title="Social competence">Social competence</a></li> <li><a href="/wiki/Social_skills" title="Social skills">Social skills</a></li> <li><a href="/wiki/Unsaid" title="Unsaid">Unsaid</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Further_information" style="font-size:114%;margin:0 4em">Further information</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Disorders</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aprosodia" title="Aprosodia">Aprosodia</a> <ul><li><a href="/wiki/Asperger_syndrome" title="Asperger syndrome">Asperger syndrome</a></li> <li><a href="/wiki/Autism" title="Autism">Autism</a></li> <li><a href="/wiki/Fragile_X_syndrome" title="Fragile X syndrome">Fragile X</a></li> <li><a href="/wiki/Pervasive_developmental_disorder_not_otherwise_specified" title="Pervasive developmental disorder not otherwise specified">Pervasive developmental disorder not otherwise specified</a></li> <li><a href="/wiki/Childhood_disintegrative_disorder" title="Childhood disintegrative disorder">Childhood disintegrative disorder</a></li> <li><a href="/wiki/Rett_syndrome" title="Rett syndrome">Rett syndrome</a></li></ul></li> <li><a href="/wiki/Dyssemia" title="Dyssemia">Dyssemia</a></li> <li><a href="/wiki/Nonverbal_learning_disorder" title="Nonverbal learning disorder">Nonverbal learning disorder</a></li> <li><a href="/wiki/Social_(pragmatic)_communication_disorder" title="Social (pragmatic) communication disorder">Social (pragmatic) communication disorder</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Neuroanatomy" title="Neuroanatomy">Neuroanatomy</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Limbic_system" title="Limbic system">Limbic system</a> / <a href="/wiki/Limbic_lobe" title="Limbic lobe">Limbic lobe</a></li> <li><a href="/wiki/Mirror_neuron" title="Mirror neuron">Mirror neuron</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Applications</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cold_reading" title="Cold reading">Cold reading</a></li> <li><a href="/wiki/Lie_detection" title="Lie detection">Lie detection</a></li> <li><a href="/wiki/Freudian_slip" title="Freudian slip">Freudian slip</a></li> <li><a href="/wiki/Tell_(poker)" title="Tell (poker)">Poker tell</a></li> <li><a href="/wiki/Attention_(advertising)" class="mw-redirect" title="Attention (advertising)">Targeted advertising</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Technology</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Computer_processing_of_body_language" title="Computer processing of body language">Computer processing of body language</a></li> <li><a href="/wiki/Emotion_recognition_in_conversation" title="Emotion recognition in conversation">Emotion recognition in conversation</a></li> <li><a href="/wiki/Gesture_recognition" title="Gesture recognition">Gesture recognition</a></li> <li><a class="mw-selflink selflink">List of facial expression databases</a></li> <li><a href="/wiki/Sentiment_analysis" title="Sentiment analysis">Sentiment analysis</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Key people</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ray_Birdwhistell" title="Ray Birdwhistell">Ray Birdwhistell</a></li> <li><a href="/wiki/Charles_Darwin" title="Charles Darwin">Charles Darwin</a></li> <li><a href="/wiki/Paul_Ekman" title="Paul Ekman">Paul Ekman</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Animal_communication" title="Animal communication">Animal communication</a></li> <li><a href="/wiki/Behavioral_communication" title="Behavioral communication">Behavioral communication</a> <ul><li><a href="/wiki/Aggression" title="Aggression">Aggressive</a></li> <li><a href="/wiki/Assertiveness" title="Assertiveness">Assertive</a></li> <li><a href="/wiki/Deference" title="Deference">Passive</a></li> <li><a href="/wiki/Passive-aggressive_behavior" title="Passive-aggressive behavior">Passive-aggressive</a></li></ul></li> <li><a href="/wiki/Impression_management" title="Impression management">Impression management</a></li> <li><a href="/wiki/Meta-communication" title="Meta-communication">Meta-communication</a></li> <li><a href="/wiki/Monastic_sign_languages" title="Monastic sign languages">Monastic sign lexicons</a></li> <li><a href="/wiki/Linguistics" title="Linguistics">Verbal communication</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Non-verbal language</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Sign_language" title="Sign language">Sign language</a></li> <li><a href="/wiki/Tactile_signing" title="Tactile signing">Tactile signing</a></li> <li><a href="/wiki/Tadoma" title="Tadoma">Tadoma</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Art and literature</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Mime_artist" title="Mime artist">Mime</a></li> <li><a href="/wiki/Mimoplastic_art" title="Mimoplastic art">Mimoplastic art</a></li> <li><a href="/wiki/Subtext" title="Subtext">Subtext</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=List_of_facial_expression_databases&oldid=1205427658">https://en.wikipedia.org/w/index.php?title=List_of_facial_expression_databases&oldid=1205427658</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" 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