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Runnan Li

9 accepted papers

2023

HiFace: High-Fidelity 3D Face Reconstruction by Learning Static and Dynamic Details

ICCV 2023poster

3D Morphable Models (3DMMs) demonstrate great potential for reconstructing faithful and animatable 3D facial surfaces from a single image. The facial surface is influenced by the coarse shape, as well as the static detail (e,g., person-specific appearance) and dynamic detail (e.g., expression-driven…

Cited by 25PDFScholar
2022

Transformer-S2A: Robust and Efficient Speech-to-Animation

ICASSP 2022accepted

We propose a novel robust and efficient Speech-to-Animation (S2A) approach for synchronized facial animation generation in human-computer interaction. Compared with conventional approaches, the proposed approach utilizes phonetic posteriorgrams (PPGs) of spoken phonemes as input to ensure the cross-…

Cited by 0SourceScholar
2019

A Compact Framework for Voice Conversion Using Wavenet Conditioned on Phonetic Posteriorgrams

ICASSP 2019accepted

Voice conversion can benefit from WaveNet vocoder with improvement in converted speech's naturalness and quality. However, nowadays approaches segregate the training of conversion module and WaveNet vocoder towards different optimization objectives, which might lead to the difficulty in model tuning…

Cited by 0SourceScholar
2019

Dilated Residual Network with Multi-head Self-attention for Speech Emotion Recognition

ICASSP 2019accepted

Speech emotion recognition (SER) plays an important role in intelligent speech interaction. One vital challenge in SER is to extract emotion-relevant features from speech signals. In state-of-the-art SER techniques, deep learning methods, e.g, Convolutional Neural Networks (CNNs), are widely employe…

Cited by 0SourceScholar
2019

Learning Discriminative Features from Spectrograms Using Center Loss for Speech Emotion Recognition

ICASSP 2019accepted

Identifying the emotional state from speech is essential for the natural interaction of the machine with the speaker. However, extracting effective features for emotion recognition is difficult, as emotions are ambiguous. We propose a novel approach to learn discriminative features from variable len…

Cited by 0SourceScholar
2018

Applying Multitask Learning to Acoustic-Phonemic Model for Mispronunciation Detection and Diagnosis in L2 English Speech

ICASSP 2018accepted

For mispronunciation detection and diagnosis (MDD), nowadays approaches generally treat the phonemes in correct and mispronunciations as the same despite the fact they may actually carry different characteristics. Furthermore, serious data imbalance issue between correct and mispronunciation in data…

Cited by 0SourceScholar
2018

Emphatic Speech Generation with Conditioned Input Layer and Bidirectional LSTMS for Expressive Speech Synthesis

ICASSP 2018accepted

By highlighting the focus of an utterance to draw attention, emphasis in speech interaction plays an important role for speaker intention expressing and understanding. Therefore, emphatic speech synthesis draws increasing interest in the text-to-speech (TTS) area. For emphatic speech synthesis, thre…

Cited by 0SourceScholar
2017

Learning cross-lingual knowledge with multilingual BLSTM for emphasis detection with limited training data

ICASSP 2017accepted

Bidirectional long short-term memory (BLSTM) recurrent neural network (RNN) has achieved state-of-the-art performance in many sequence processing problems given its capability in capturing contextual information. However, for languages with limited amount of training data, it is still difficult to o…

Cited by 0SourceScholar
2017

Multi-task learning of structured output layer bidirectional LSTMS for speech synthesis

ICASSP 2017accepted

Recurrent neural networks (RNNs) and their bidirectional long short term memory (BLSTM) variants are powerful sequence modelling approaches. Their inherently strong ability in capturing long range temporal dependencies allow BLSTM-RNN speech synthesis systems to produce higher quality and smoother s…

Cited by 0SourceScholar