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The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
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A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
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Decodificación de texto mediante LLM y escritura flexible en teléfonos inteligentes

Yan Ma1, I V Ramakrishnan1, Dan Zhang1

  • 1Department of Computer Science, Stony Brook University, Stony Brook, New York, USA.

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|December 25, 2025
PubMed
Resumen
Este resumen es generado por máquina.

Los modelos de lenguaje grandes (LLM) mejoran la precisión de la decodificación del teclado. Un modelo FLAN-T5 ajustado permite la escritura flexible, combinando toques y gestos para mejorar la experiencia del usuario y las preferencias de entrada diversas.

Palabras clave:
entrada gestualdecodificación de tecladomodelo de lenguajeentrada de texto

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Área de la Ciencia:

  • Procesamiento del Lenguaje Natural
  • Interacción Humano-Computadora

Sus antecedentes:

  • Los modelos de lenguaje grandes (LLM) se destacan en tareas de lenguaje, pero están infrautilizados en la decodificación de teclado.
  • La decodificación de teclado traduce las entradas del usuario, como toques y gestos, en texto.

Objetivo del estudio:

  • Desarrollar y evaluar un nuevo decodificador basado en LLM para la entrada de teclado.
  • Introducir y evaluar la eficacia de un método de escritura flexible que combina varias modalidades de entrada.

Principales métodos:

  • Ajuste fino del modelo FLAN-T5 para tareas de decodificación de teclado.
  • Evaluación del rendimiento en gestos dibujados por el usuario y datos de escritura por toques del mundo real.
  • Realización de un estudio de usuario para evaluar el método de escritura flexible.

Principales resultados:

  • El decodificador FLAN-T5 logró una precisión del 93,1 % en gestos y del 95,4 % en escritura por toques.
  • La escritura flexible utilizó gestos de palabras (35,9 %), toques (29,0 %), gestos de trazos múltiples (6,1 %) y toques-gestos (29,0 %).
  • El decodificador basado en LLM superó en precisión a los decodificadores de gestos existentes.

Conclusiones:

  • Los decodificadores basados en LLM ofrecen una precisión superior para la entrada de teclado.
  • La escritura flexible mejora la experiencia del usuario y se adapta a diversas preferencias de entrada.
  • Este enfoque avanza el campo de la interacción humano-computadora para la entrada de texto.