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Few-Shot and Zero-Shot Learning
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== <span style="color: #FFFFFF;">Remembering</span> == * '''Few-shot learning''' β Learning to classify or solve tasks with very few labeled examples per class (1β10). * '''Zero-shot learning''' β Making predictions for classes or tasks never seen during training, using semantic descriptions. * '''N-way K-shot''' β A standard few-shot task specification: N classes, K labeled examples per class in the support set. * '''Zero-shot classification''' β Classifying inputs into categories not seen during training, using class descriptions or embeddings. * '''CLIP (Contrastive Language-Image Pre-training)''' β OpenAI model that enables zero-shot image classification by comparing image embeddings to text class descriptions. * '''In-context learning''' β LLMs performing few-shot tasks from examples in the context window, without weight updates. * '''Semantic embeddings''' β Dense vector representations encoding semantic meaning, enabling zero-shot similarity comparisons. * '''Class prototype''' β The average embedding of all support set examples for a class; used in Prototypical Networks for few-shot classification. * '''Attribute-based zero-shot''' β Zero-shot learning using human-defined semantic attributes to describe each class. * '''Generalized zero-shot learning''' β Testing on both seen and unseen classes simultaneously; harder than standard zero-shot. * '''Imagenet zero-shot''' β CLIP achieves 75%+ accuracy on ImageNet without seeing a single ImageNet training example. * '''Prompt-based few-shot''' β Providing 1β10 examples in the LLM prompt to demonstrate the desired task format. </div> <div style="background-color: #006400; color: #FFFFFF; padding: 20px; border-radius: 8px; margin-bottom: 15px;">
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