Feedforward propagation is the simplest form of neural network in which data flows in the forward direction from the input layer to the output layer of a neural network. It is called feedforward because there is no feedback loop and information flows only in one direction. The network’s neurons prepare the inputs during feedforward propagation. Each neuron does a weighted summation of its inputs and then an activation function to make an output.
Uses of Feedforward Propagation in AI
Here are some ways that feedforward propagation is used in the field of AI:
1. Image and Speech Recognition
Feedforward neural networks are often used in speech and image recognition tasks. In image processing, the network looks at the pixels in an image to figure out individual objects within the image. In voice recognition, the network takes data about sounds and turns it into text.
2. Natural Language Processing
Feedforward neural networks are commonly employed in natural language processing applications, such as text classification and sentiment analysis, to identify the sentiment of texts and determine people’s opinions. The network looks at text data and finds patterns and connections between phrases and words.
3. Fraud Detection
In financial systems, feedforward neural networks may be utilized to find transactions that aren’t what they seem to be. The network looks at transaction data and looks for patterns and oddities that could be signs of fraud.
4. Autonomous Vehicles
Feedforward neural networks are utilized to identify and spot objects around an autonomous vehicle. The network uses information from sensors like lidar and cameras to find obstacles and other cars in the vehicle’s environment.
5. Medical Diagnosis
In medical diagnosis, feedforward neural networks can uncover correlations and relationships between symptoms and illnesses, identifying patterns and aiding in the diagnostic process. The network takes in patient information and uses that information to find possible diagnoses.