Crossing the Uncanny Valley: Breakthrough in technology for lifelike facial expressions in androids

Even highly realistic androids can cause unease when their facial expressions lack emotional consistency. Traditionally, a ‘patchwork method’ has been used for facial movements, but it comes with practical limitations. A team developed a new technology using ‘waveform movements’ to create real-time, complex expressions without unnatural transitions. This system reflects internal states, enhancing emotional communication …

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PEFT fine tuning of Llama 3 on SageMaker HyperPod with AWS Trainium

Training large language models (LLMs) models has become a significant expense for businesses. For many use cases, companies are looking to use LLM foundation models (FM) with their domain-specific data. However, companies are discovering that performing full fine tuning for these models with their data isn’t cost effective. To reduce costs while continuing to use the …

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Using transcription confidence scores to improve slot filling in Amazon Lex

When building voice-enabled chatbots with Amazon Lex, one of the biggest challenges is accurately capturing user speech input for slot values. For example, when a user needs to provide their account number or confirmation code, speech recognition accuracy becomes crucial. This is where transcription confidence scores come in to help ensure reliable slot filling. What …