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Computational Thinking - Pattern Recognition

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Computational thinking   pattern recognition

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CSER - The Computer Science Education Research Group

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Computational thinking is the process of defining a step-by-step solution to a complex problem or to achieve a specific goal. While the phrase " computational thinking " contains the word "computational," it has applications far outside computer science. The process of computational thinking typically includes four parts: decomposition, pattern recognition, abstraction and algorithmic thinking.

Pattern recognition as part of computational thinking is the process of identifying patterns in a data set to categorize, process and resolve the information more effectively. Patterns are pieces or sequences of data that have one or multiple similarities.

What is Pattern Recognition in Computational Thinking?

Pattern recognition is a critical tool in computational thinking because it helps to simplify problems and improve comprehension of intricacies. Pattern recognition in computational thinking uses the identification of similarities within a particular data set or sequence to simplify understanding and resolution of a problem or goal.

It can also increase effectiveness in the problem-solving process by creating solutions that can be repeated to resolve similar problems or goals. Even if a computational solution cannot be repeated in whole for a different problem or goal, pattern recognition can help identify parts of different problems that may be resolved using pieces of other solutions.

Examples of Pattern Recognition in Everyday Life

While pattern recognition is most commonly discussed as a step in computational thinking, we automatically use pattern recognition in our everyday lives.

Driving. In driving, we use pattern recognition to predict and respond to different traffic patterns processes. For instance, we may recognize that an upcoming timed traffic light has turned yellow. We know that the pattern of process at the timed lights in the area is for the cross-traffic turn lanes to turn next, then straight cross-traffic, the turn lanes in our direction, then finally our light will turn green. We automatically process this pattern and can reasonably predict how much time we have before the light will turn green.

Medicine. Pattern recognition is prominent in medicine, where identifying patterns helps to diagnose and cure diseases as well as to understand and prevent disease. When a patient discusses symptoms with a doctor or undergoes a series of tests, the results are compared against known patterns to quickly identify types of infections or injuries that may be causing the symptoms and to apply corresponding solutions to the diagnoses. New diseases can also be categorized and have cures, treatments, or preventions identified based on pattern recognition from other corresponding medical complications.

Mathematical formulas. One example of pattern recognition in everyday life is in mathematical formulas that we may use regularly, such as for tipping, converting measurements, determining mpg of a vehicle, etc. All mathematical formulas are a result of and used in pattern recognition and algorithmic thinking. Formulas were created after patterns were identified and applied to create a common solution. Comparably, formulas can be used in mathematics by using pattern recognition to identify situations in which a particular formula may or may not be useful.

Final Thoughts

Pattern recognition is an essential tool in computational thinking in computer science as well as in everyday life.

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What is Pattern Recognition in Computational Thinking | Learning.com

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Pattern recognition is a process in computational thinking in which patterns are identified & utilized in processing information.

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Computational Thinking - Pattern Recognition

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Pattern recognition in problem solving is key to determining appropriate solutions to problems and knowing how to solve certain types of problems. Recognizing a pattern, or similar characteristics helps break down the problem and also build a construct as a path for the solution.

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When we a complex problem we often find patterns among the smaller problems we create. The patterns are similarities or characteristics that some of the problems share.

Pattern recognition is one of the four cornerstones of Computer Science. It involves finding the similarities or patterns among small, decomposed problems that can help us solve more complex problems more efficiently .

What are patterns?

Imagine that we want to draw a series of cats.

All cats share common characteristics. Among other things they all have eyes, tails and fur . They also like to eat fish and make meowing sounds.

Because we know that all cats have eyes, tails and fur, we can make a good attempt at drawing a cat, simply by including these common characteristics.

In computational thinking , these characteristics are known as patterns. Once we know how to describe one cat we can describe others, simply by following this pattern. The only things that are different are the specifics:

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What is pattern recognition? - Pattern recognition - KS3 Computer Science Revision - BBC Bitesize

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Learn about what pattern recognition is and how it helps us to solve problems in KS3 Computer Science.

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Shodor > Interactivate > Activities > Pattern Generator

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Text to Morse

Just type letters, numbers and punctuation into the top box and the Morse code will appear in the bottom box with a "#" if the character cannot be translated. This is not a great tool for learning Morse code as looking at the dots and dashes does not help. Instead, try one of the training tools.

Morse to Text

You can type Morse code into the top box using "." for a dot and "-" or "_" for a dash. Letters are separated by spaces and words by "/". The text translation will appear in the bottom box. If a letter cannot be translated a "#" will appear in the output.

Sound, Light & Vibration

The "Play", "Pause", "Stop" and "Repeat" buttons control the playback. You can choose between hearing the sound, seeing a flashing light, or having your phone vibrate using the "Sound", "Light" and "Vibrate" checkboxes. The "Configure" button reveals advanced options to control the frequency and speed and switch between telegraph and radio sound styles. The flashing light and download buttons do not currently work when in "Telegraph" mode.

Notes

This tool works in most browsers: please see the FAQ if you are having problems.

If you would like to see a list of all the Morse code characters please go to my Morse Code page. If you have any questions about Morse code or the translator, please read my FAQ first.

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The translator can translate between Morse code and Latin, Hebrew, Arabic and Cyrillic alphabets. It can play, flash or vibrate the Morse code. You can also download the sound and share a link to use it to send messages to your friends. The speed, Farnsworth speed and frequency of the sound are all fully adjustable.

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Lockdown Games 3 - Inclusive Fitness - Stretching