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The base62 encoding scheme uses 62 characters. The characters consist of the capital letters A-Z, the lower case letters a-z and the numbers 0–9. It is a binary-to-text encoding scheme that represents binary data in an ASCII string format.
Some older and today uncommon formats include BOO, BTOA, and USR encoding. Most of these encodings generate text containing only a subset of all ASCII printable characters: for example, the base64 encoding generates text that only contains upper case and lower case letters, (A–Z, a–z), numerals (0–9), and the "+", "/", and "=" symbols.
A facial expression database is a collection of images or video clips with facial expressions of a range of emotions. Well-annotated (emotion-tagged) media content of facial behavior is essential for training, testing, and validation of algorithms for the development of expression recognition systems.
An example C function is given to perform the encoding. Input to the function consists of 32-bit UCS-4 codepoints representing Unicode characters. Output is a string of ASCII bytes, each 8-bit byte consisting of a base62 character, namely 0–9A–Za–z (character 0 represents the value 0, A represents 10, and so on, up to z which represents 61).
In the process of encoding, the sender (i.e. encoder) uses verbal (e.g. words, signs, images, video) and non-verbal (e.g. body language, hand gestures, face expressions) symbols for which he or she believes the receiver (that is, the decoder) will understand. The symbols can be words and numbers, images, face expressions, signals and/or actions.
The theory of encoding specificity finds similarities between the process of recognition and that of recall. The encoding specificity principle states that memory utilizes information from the memory trace, or the situation in which it was learned, and from the environment in which it is retrieved. In other words, memory is improved when ...
A group of researchers at Harvard University has published an alternative set of images that they claim to be comparable to the IAPS in 2016. [19] The OASIS image database consists of 900 images that have been rated on valence and arousal by a sample of US-Americans recruited via amazon mechanical Turk. As opposed to the IAPS, all OASIS images ...
Encoding, in semiotics, is the process of creating a message for transmission by an addresser to an addressee. The complementary process – interpreting a message received from an addresser – is called decoding .