2019
DOI: 10.1007/978-981-10-5544-7_74
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Retraction Note to: Real-Life Facial Expression Recognition Systems: A Review

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Cited by 4 publications
(6 citation statements)
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“…Unlike most studies based on existing images or videos, Deshmukh et al [31] summarise the latest advances in the algorithms and techniques used in distinct phases of real-time FER. Some real-life challenges of FER systems are proposed in [32,33].…”
Section: Differences With Existing Survey and Contributionsmentioning
confidence: 99%
“…Unlike most studies based on existing images or videos, Deshmukh et al [31] summarise the latest advances in the algorithms and techniques used in distinct phases of real-time FER. Some real-life challenges of FER systems are proposed in [32,33].…”
Section: Differences With Existing Survey and Contributionsmentioning
confidence: 99%
“…It is important for developers to release systems that are designed and built using enough real-world, spontaneous facial expression data [94]. The number of facial expressions used for training and developing FEA, FAM, and FSA systems should be much higher to lead to more realistic results.…”
Section: Real-world Spontaneous Data Collectionmentioning
confidence: 99%
“…In case of having a low number of images for training, it is challenging to choose the best approaches to enlarge the dataset while developing the system. Expressive robot developers also need to make sure the system includes a continuous adoption process that learns each user's expressions over time and adds them to its knowledge base [94]. It is also important to pay close attention to include the variability of the facial data in terms of subjects by including data from subjects well represented in gender and ethnicity, as well as diversity in terms of lighting, head position, and face resolution [94].…”
Section: Real-world Spontaneous Data Collectionmentioning
confidence: 99%
“…The recognition process in computer vision is based on two crucial steps: feature extraction and classification. The challenges that arise when building such recognition systems [2] relate to the choice of the feature extraction technique that helps discriminating the object from the rest of the image and the classification technique that allows identifying the class to which the object belongs. Image databases are provided by psychologists in the format of video sequence recordings [3] and images [4] of a set of participants showing different classes of emotional expression, such as expressions of joy, surprise, fear, anger, sadness, disgust and the neutral face.…”
Section: Introductionmentioning
confidence: 99%