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Subtle emotions are present in diverse real-life situations: in hostile environments, enemies and/or spies maliciouslyconceal their emotions as part of their deception; in life-threatening situations, victims under duress have no choice but to withhold theirreal feelings; in the medical scene, patients with psychological conditions such as depression could either be intentionally orsubconsciously...
Subtle emotions are expressed through tiny and brief movements of facial muscles, called micro-expressions; thus, recognition of these hidden expressions is as challenging as inspection of microscopic worlds without microscopes. In this paper, we show that through motion magnification, subtle expressions can be realistically exaggerated and become more easily recognisable. We magnify motions of facial...
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