Method for quantitatively evaluating food sensory quality and consumer preference by applying facial expression emotion recognition software and application
A facial expression and emotion recognition technology, applied in the application field of food sensory evaluation, can solve the problems of less direct and indirect methods, less indirect methods, etc.
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Embodiment 1
[0041] Example 1: Prediction of consumer preference for beer
[0042] A total of 23 volunteers (10 females (43.5%) and 13 males (56.5%)) were recruited for the experiment. Participants were between 24 and 40 years old (mean age 30.6±7.9), were not allergic to alcohol, and drank beer regularly (not less than once a month). Participants in the experiment were required to fill out the "Informed Consent Form" before the experiment. Participants in this experiment tasted 5 beer products with different crafts, and each wine was placed in a transparent wine glass marked with a three-digit random number code. The participants tasted the beer samples one by one and evaluated their sensory characteristics and liking. At the same time, the facial expression analysis software analyzed and recorded the facial expression information of the experimental participants during the tasting process.
[0043] 1. Experimental process
[0044] Experiments were performed in a standard sensory labor...
Embodiment 2
[0063] Example 2: Consumer preference model for fermented milk
[0064] A total of 24 participants were recruited for the experiment, aged between 23 and 38, who were not allergic to dairy products and who drank yogurt regularly (no less than once every two weeks). Participants in the experiment were required to fill out the "Informed Consent Form" before the experiment. Participants in this experiment tasted 3 different brands of fruity yogurt. Each yogurt sample is placed in a 100ml transparent plastic cup with a lid marked with a three-digit random number code. Participants need to taste one by one and evaluate their senses and preferences. At the same time, the facial expression analysis software records and analyzes the facial expressions of the experimental participants during the tasting process.
[0065] 1. Experimental process.
[0066] Experiments were performed in a standard sensory laboratory. A high-definition camera is placed in front of each experiencer to r...
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