The Ad Agency AI Dictionary

Common AI terms beginning with O, defined for advertising professionals.

O

Find the Flux+Form AI glossary & dictionary to help you make sense of common AI terms. Below you can find an AI Glossary & Dictionary for “O”.

12 Terms in section O Updated May 2026

Object Detection

Identifying objects within images or video and locating them with bounding boxes.

Objective Function

The function that a model seeks to minimize or maximize during training, such as loss functions.

Offline Learning

Training models on a fixed dataset rather than updating continuously; suitable for periodic retraining.

Omnichannel Marketing

Delivering a seamless customer experience across channels (web, mobile, store) by using AI to maintain context.

One‑Hot Encoding

Converting categorical variables into binary vectors to be processed by machine‑learning algorithms.

Online Learning

Training models incrementally as new data arrives, enabling real‑time adaptation.

Optimization

The process of adjusting model parameters or campaign variables to achieve the best possible outcome.

Outlier Detection

Identifying unusual data points that may indicate errors, fraud or unique opportunities.

Output Layer

The final layer in a neural network that produces predictions or scores.

Overfitting

When a model learns noise and specific patterns in training data, reducing its ability to generalize to new data.

Oversampling

Increasing the number of instances in underrepresented classes to address class imbalance.

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