Projects in Awesome Lists tagged with emotion-recognition

https://github.com/serengil/deepface

A Lightweight Face Recognition and Facial Attribute Analysis (Age, Gender, Emotion and Race) Library for Python

age-prediction arcface deep-learning deepface deepid emotion-recognition face-analysis face-recognition facenet facial-expression-recognition facial-recognition gender-prediction machine-learning openface python race-classification vgg-face

Last synced: 12 May 2025

https://github.com/justadudewhohacks/face-api.js

JavaScript API for face detection and face recognition in the browser and nodejs with tensorflow.js

age-estimation emotion-recognition face-detection face-landmarks face-recognition gender-recognition javascript js nodejs tensorflow tensorflowjs tfjs

Last synced: 13 May 2025

https://github.com/Delta-ML/delta

DELTA is a deep learning based natural language and speech processing platform. LF AI & DATA Projects: https://lfaidata.foundation/projects/delta/

asr custom-ops deep-learning emotion-recognition front-end inference nlp nlu ops seq2seq sequence-to-sequence serving speaker-verification speech speech-recognition tensorflow tensorflow-lite tensorflow-serving text-classification text-generation

Last synced: 07 Apr 2025

https://github.com/declare-lab/conv-emotion

This repo contains implementation of different architectures for emotion recognition in conversations.

conversational-agents conversational-ai dialogue-systems emotion-analysis emotion-recognition emotion-recognition-in-conversation lstm memory-network natural-language-processing natural-language-understanding pretrained-models pytorch sentiment-analysis

Last synced: 15 May 2025

https://github.com/miteshputhran/speech-emotion-analyzer

The neural network model is capable of detecting five different male/female emotions from audio speeches. (Deep Learning, NLP, Python)

audio-files data-science deep-learning deep-neural-networks emotion emotion-recognition keras natural-language-processing natural-language-understanding neural-network python3 speech speech-emotion-recognition speech-recognition voice

Last synced: 16 May 2025

https://github.com/MiteshPuthran/Speech-Emotion-Analyzer

The neural network model is capable of detecting five different male/female emotions from audio speeches. (Deep Learning, NLP, Python)

audio-files data-science deep-learning deep-neural-networks emotion emotion-recognition keras natural-language-processing natural-language-understanding neural-network python3 speech speech-emotion-recognition speech-recognition voice

Last synced: 27 Mar 2025

https://github.com/atulapra/emotion-detection

Real-time Facial Emotion Detection using deep learning

computer-vision deep-learning emotion-detection emotion-recognition haar-cascade opencv opencv-python tflearn

Last synced: 15 May 2025

https://github.com/atulapra/Emotion-detection

Real-time Facial Emotion Detection using deep learning

computer-vision deep-learning emotion-detection emotion-recognition haar-cascade opencv opencv-python tflearn

Last synced: 22 Jul 2025

https://github.com/thoughtworksarts/EmoPy

A deep neural net toolkit for emotion analysis via Facial Expression Recognition (FER)

deep-neural-networks emotion emotion-recognition face facial-expression-recognition fer neural-nets neural-network python

Last synced: 09 May 2025

https://github.com/declare-lab/MELD

MELD: A Multimodal Multi-Party Dataset for Emotion Recognition in Conversation

chatbot conversational-ai dialogue dialogue-systems emotion emotion-detection emotion-recognition emotion-recognition-in-conversation multimodal-emotion-recognition multimodal-interactions multimodal-sentiment-analysis personality-profiling personality-traits sentiment-analysis

Last synced: 21 Jul 2025

https://github.com/noahlevenson/stealing-ur-feelings

Winner of Mozilla's $50,000 prize for AI

ai ar art augmented-reality awards computer-vision emotion emotion-recognition face-detection facebook film filmmaking instagram interactive-video mozilla privacy snapchat video webbys webcam

Last synced: 04 May 2025

https://github.com/sb-ai-lab/emotiefflib

Efficient face emotion recognition in photos and videos

emotion-analysis emotion-detection emotion-recognition face-emotion-detection face-emotion-recognition face-expression facial-expression-recognition facial-expressions

Last synced: 08 Oct 2025

https://github.com/declare-lab/meld

MELD: A Multimodal Multi-Party Dataset for Emotion Recognition in Conversation

chatbot conversational-ai dialogue dialogue-systems emotion emotion-detection emotion-recognition emotion-recognition-in-conversation multimodal-emotion-recognition multimodal-interactions multimodal-sentiment-analysis personality-profiling personality-traits sentiment-analysis

Last synced: 16 May 2025

https://github.com/isseu/emotion-recognition-neural-networks

Emotion recognition using DNN with tensorflow

convolutional-neural-networks deep-neural-networks emotion-recognition machine-learning tensorflow

Last synced: 03 Feb 2026

https://github.com/oarriaga/paz

Hierarchical perception library in Python for pose estimation, object detection, instance segmentation, keypoint estimation, face recognition, etc.

emotion-recognition face-recognition instance-segmentation keypoint-estimation object-detection pose-estimation semantic-segmentation

Last synced: 14 May 2025

https://github.com/x4nth055/emotion-recognition-using-speech

Building and training Speech Emotion Recognizer that predicts human emotions using Python, Sci-kit learn and Keras

deep-learning emotion-detection emotion-recognition emotion-recognizer feature-extraction gradient-boosting keras kneighborsclassifier librosa machine-learning mfcc mlp-classifier neural-networks random-forest-classifier recurrent-neural-networks sklearn speech-emotion-recognition support-vector-machine

Last synced: 04 Apr 2025

https://github.com/phamquiluan/residualmaskingnetwork

ICPR 2020: Facial Expression Recognition using Residual Masking Network

emotion-detection emotion-recognition facial-expression-recognition fer2013 pytorch residual-masking-network

Last synced: 16 May 2025

https://github.com/petercunha/Emotion

:smile: Recognizes human faces and their corresponding emotions from a video or webcam feed. Powered by OpenCV and Deep Learning.

deep-learning emotion-recognition facial-recognition opencv tensorflow

Last synced: 27 Mar 2025

https://github.com/petercunha/emotion

:smile: Recognizes human faces and their corresponding emotions from a video or webcam feed. Powered by OpenCV and Deep Learning.

deep-learning emotion-recognition facial-recognition opencv tensorflow

Last synced: 05 Apr 2025

https://github.com/justinshenk/fer

Facial Expression Recognition with a deep neural network as a PyPI package

emotion-detection emotion-recognition facial-expression-recognition fer2013 python tensorflow

Last synced: 16 May 2025

https://github.com/cocoa-ai/FacesVisionDemo

👀 iOS11 demo application for age and gender classification of facial images.

coreml coreml-models emotion-recognition facial-recognition gender-classification ios machine-learning swift swift4 vision

Last synced: 11 May 2025

https://github.com/cocoa-ai/facesvisiondemo

👀 iOS11 demo application for age and gender classification of facial images.

coreml coreml-models emotion-recognition facial-recognition gender-classification ios machine-learning swift swift4 vision

Last synced: 04 Aug 2025

https://github.com/healeycodes/if-sad-send-cat

🐱 A program that sends cats to my phone when I'm sad at the computer.

cat-api cats emotion-recognition

Last synced: 22 Apr 2025

https://github.com/salute-developers/gigaam

Foundational Model for Speech Recognition Tasks

emotion-recognition foundation-models self-supervised-learning speech-recognition

Last synced: 05 Apr 2025

https://github.com/maxent-ai/converse

Conversational text Analysis using various NLP techniques

callcenter-analysis conversational-ai emotion-recognition huggingface machine-learning nlp nlu pytorch scikit-learn sentiment-analysis spacy speech-to-text text text-mining topic-modeling transformers

Last synced: 15 Feb 2026

https://github.com/declare-lab/reccon

This repository contains the dataset and the PyTorch implementations of the models from the paper Recognizing Emotion Cause in Conversations.

bert-model causal-inference causal-models causal-spans causality conversations dataset dialogue-generation dialogue-systems emotion emotion-cause emotion-cause-pair-extraction emotion-recognition emotion-recognition-in-conversation emotion-tasks inference natural-language-inference reasoning roberta

Last synced: 23 Jul 2025

https://github.com/vjgpt/face-and-emotion-recognition

Realtime person's face recognize and can classify emotion using webcam, video or images.

dlib emotion emotion-recognition face face-recognition keras opencv

Last synced: 10 Apr 2025

https://github.com/suyashmore/mevonai-speech-emotion-recognition

Identify the emotion of multiple speakers in an Audio Segment

artificial-intelligence colab-notebook convolutional-neural-networks deep-learning diarization emotion-analysis emotion-recognition keras-tensorflow machine-learning mfcc mfcc-analysis speech-processing uis-rnn

Last synced: 18 Oct 2025

https://github.com/Tandon-A/emotic

PyTorch implementation of Emotic CNN methodology to recognize emotions in images using context information.

emotic emotion-analysis emotion-detection emotion-recognition emotions scene

Last synced: 21 Apr 2025

https://github.com/weblineindia/aiml-human-attributes-detection-with-facial-feature-extraction

This is a Human Attributes Detection program with facial features extraction. It detects facial coordinates using FaceNet model and uses MXNet facial attribute extraction model for extracting 40 types of facial attributes. This solution also detects Emotion, Age and Gender along with facial attributes.

age-recognition aiml artificial-intelligence artificial-intelligence-algorithms emotion-detection emotion-recognition face-recognition facenet facenet-trained-models facial-attributes facial-expression-recognition facial-features-extraction facial-recognition gender-classification gender-prediction gender-recognition machine-learning machine-learning-algorithms mxnet mxnet-imageclassification

Last synced: 22 Apr 2025

https://github.com/elenaryumina/emo-affectnetmodel

Dynamic and static models for real-time facial emotion recognition

aff-wild2-dataset affectnet-dataset crema-d-dataset cross-corpus emo-affectnet-model emotion-recognition facial-expression-recognition iemocap-dataset lstm neurocomputing ramas-dataset ravdess-dataset resnet-50 savee-dataset tensorflow torch

Last synced: 12 Apr 2025

https://github.com/declare-lab/dialogue-understanding

This repository contains PyTorch implementation for the baseline models from the paper Utterance-level Dialogue Understanding: An Empirical Study

adversarial-attacks bert bert-embeddings conversational-agents conversational-ai dialogue dialogue-act dialogue-systems dialogue-understanding emotion-analysis emotion-recognition emotion-recognition-in-conversation explainable-ai lstm natural-language-processing natural-language-understanding pretrained-models pytorch sentiment-analysis utterance-level-dialogue

Last synced: 14 Apr 2025

https://github.com/usc-sail/fed-multimodal

[KDD 2023] FedMultimodal

action-recognition emotion-recognition federated-learning multimodal-learning

Last synced: 18 Jan 2026

https://github.com/shamanez/self-supervised-embedding-fusion-transformer

The code for our IEEE ACCESS (2020) paper Multimodal Emotion Recognition with Transformer-Based Self Supervised Feature Fusion.

bert emotion-recognition multimodal-deep-learning multimodal-emotion-recognition multimodal-sentiment-analysis self-supervised-learning

Last synced: 16 Jul 2025

https://github.com/siavashshams/ssamba

[SLT'24] The official implementation of SSAMBA: Self-Supervised Audio Representation Learning with Mamba State Space Model

audio audio-classification deep-learning emotion-recognition keyword-spotting mamba representation-learning self-supervised-learning speaker-identification state-space-model

Last synced: 06 Apr 2025

https://github.com/gentaiscool/lstm-attention

Attention-based bidirectional LSTM for Classification Task (ICASSP)

attention attention-mechanism classification emotion-recognition keras lstm stress-detection tensorflow

Last synced: 15 Apr 2025

https://github.com/tae898/erc

The official implementation of "EmoBERTa: Speaker-Aware Emotion Recognition in Conversation with RoBERTa"

bert deep-learning emotion-recognition huggingface nlp pytorch roberta transformers

Last synced: 04 Oct 2025

https://github.com/raghav714/eeg-emotion-classification

eeg-classification eeg-data eeg-signals-processing emotion-recognition

Last synced: 06 Oct 2025

https://github.com/furkan-gulsen/face-classification

Computer Vision project that detects emotion, age and gender after detecting faces.

age computer-vision deep-learning detecting-faces dlib emotion-recognition face-classification face-emotion-detection facenet gender keras machine-learning opencv python tensorflow

Last synced: 22 Jun 2025

https://github.com/collab-uniba/emotion_and_polarity_so

An emotion classifier of text containing technical content from the SE domain

classifier emotion emotion-classification emotion-detection emotion-recognition polarity sentiment sentiment-analysis

Last synced: 27 Jan 2026

https://github.com/andypotato/do-not-laugh

A simple AI game based on Vue.js and Electron

ai electron emotion-recognition face-api tensorflow vue

Last synced: 03 Apr 2025

https://github.com/IliaZenkov/sklearn-audio-classification

An in-depth analysis of audio classification on the RAVDESS dataset. Feature engineering, hyperparameter optimization, model evaluation, and cross-validation with a variety of ML techniques and MLP

audio audio-data classification deep-learning-tutorial deep-neural-networks dnns emotion emotion-detection emotion-recognition feature-engineering machine-learning machine-learning-tutorials mlp-model model-evaluation ravdess-dataset scikit-learn sklearn

Last synced: 22 Mar 2025

https://github.com/1adrianb/unsupervised-face-representation

Implementation for Pre-training strategies and datasets for facial representation learning, ECCV 2022

emotion-recognition face-alignment face-recognition face-representation-learning pytorch representation-learning unsupervised-learning

Last synced: 08 Oct 2025

https://github.com/wxjiao/higrus

Implementation of the paper "Hierarchical GRU for Utterance-level Emotion Recognition" in NAACL-2019.

conversation emotion-recognition text-classification

Last synced: 22 Jul 2025

https://github.com/wenliangdai/modality-transferable-mer

Modality-Transferable-MER, multimodal emotion recognition model with zero-shot and few-shot abilities.

cmu-mosei deep-learning emotion-recognition few-shot iemocap multimodal nlp pytorch zero-shot

Last synced: 02 May 2025

https://github.com/kanchitank/text-emotion-analysis

Automate detection of different emotions from paragraphs and predict overall emotion.

deep-learning deep-neural-networks emotion-analysis emotion-detection emotion-recognition keras machine-learning multiclass-classification nlp sentiment-analysis text-emotion-detection

Last synced: 07 May 2025

https://github.com/hariharitha21/Detection-of-Anxiety-and-Depression

Detecting Anxiety and Depression using facial emotion recognition and speech emotion recognition. Written in pythonPython

anxiety-disorder depression-detection emotion-recognition flask-application opencv-python speech-emotion-recognition

Last synced: 07 May 2025

https://github.com/pinto0309/openvino-emotionrecognition

OpenVINO+NCS2/NCS+MutiModel(FaceDetection, EmotionRecognition)+MultiStick+MultiProcess+MultiThread+USB Camera/PiCamera. RaspberryPi 3 compatible. Async.

emotion-recognition facedetection multimodel ncs neural-compute-stick openvino picamera python raspberrypi

Last synced: 30 Apr 2025

https://github.com/Helsinki-NLP/XED

XED multilingual emotion datasets

classification emotion-detection emotion-recognition sentiment-analysis

Last synced: 14 Mar 2025

https://github.com/ztrimus/speech-emotion-recognition

Predicting various emotion in human speech signal by detecting different speech components affected by human emotion.

audio-files colab-notebook convolutional-neural-networks data-science deep-learning emotion-detection emotion-recognition jupyter-notebook keras librosa lstm natural-language-processing neural-network python3 pytorch rnn speech-emotion-recognition speech-recoginition supervised-learning voice

Last synced: 14 Apr 2025

https://github.com/samanyougarg/group-emotion-recognition

Group Emotion Recognition using deep neural networks and Bayesian classifiers.

bayesian-network cnn computer-vision convolutional-neural-networks deep-learning emotion emotion-analysis emotion-detection emotion-recognition facial-expression-recognition flask group-emotion-recognition image-processing keras numpy pandas

Last synced: 27 Jun 2025

https://github.com/prem-ium/metahuman-emotion-recognition

Emotionally responsive Virtual Metahuman CV with Real-Time User Facial Emotion Detection (Unreal Engine 5).

computer-vision emotion emotion-classification emotion-detection emotion-recognition emotions facial-expression-recognition machine-learning metahuman metahumans opencv opencv-python unreal-engine unreal-engine-4 unreal-engine-5 virtual-human-agent virtual-humans

Last synced: 15 Oct 2025

https://github.com/declare-lab/hfusion

Multimodal sentiment analysis using hierarchical fusion with context modeling

data-fusion emotion-analysis emotion-detection emotion-recognition fusion multimodal-fusion multimodal-interactions multimodal-sentiment-analysis sentiment-analysis

Last synced: 14 Apr 2025

https://github.com/praveena2j/jointcrossattentional-av-fusion

ABAW3 (CVPRW): A Joint Cross-Attention Model for Audio-Visual Fusion in Dimensional Emotion Recognition

affective-computing attention-model audio-visual-learning emotion emotion-recognition multimodal-learning

Last synced: 30 Jul 2025

https://github.com/cleardusk/emotionchallenge

Source code for 1st winner of face micro-emotion competition, FG 2017.

caffe convolutional-neural-networks emotion-recognition

Last synced: 23 Jul 2025

https://github.com/praveena2j/joint-cross-attention-for-audio-visual-fusion

IEEE T-BIOM : "Audio-Visual Fusion for Emotion Recognition in the Valence-Arousal Space Using Joint Cross-Attention"

affective-computing attention attention-model audio-visual-learning emotion-recognition multimodal-learning

Last synced: 12 Apr 2025

https://github.com/charliegerard/rainbrow

Clone of the Rainbrow iOS game in JavaScript

computer-vision creative-coding emotion-recognition face-recognition front-end javascript machine-learning tensorflow tfjs

Last synced: 04 Jul 2025

https://github.com/astrotomic/php-deepface

A PHP adapter for the python deepface framework.

age-prediction arcface deep-learning deepface deepid emotion-recognition face-analysis face-recognition facenet facial-expression-recognition facial-recognition gender-prediction hacktoberfest machine-learning openface race-classification treeware vgg-face

Last synced: 24 Sep 2025

https://github.com/wxjiao/aghmn

Implementation of the paper "Real-Time Emotion Recognition via Attention Gated Hierarchical Memory Network" in AAAI-2020.

emotion-recognition hierarchical-memory-network

Last synced: 22 Jul 2025

https://github.com/praveena2j/cross-attentional-av-fusion

FG2021: Cross Attentional AV Fusion for Dimensional Emotion Recognition

affective-computing attention-model audio-visual-learning emotion emotion-recognition multimodal-learning

Last synced: 12 Apr 2025

https://github.com/amogh7joshi/engagement-detection

Engagement Detection, including facial detection and emotion recognition, using CNNs/LSTMs.

cnn computer-vision emotion-recognition engagement-prediction facial-detection fer2013 keras lstm neural-networks tensorflow

Last synced: 28 Apr 2025

https://github.com/tabahi/formantfeatures

Extract frequency, power, width and dissonance of formants from wav files

audio-features audio-processing dissonance emotion-recognition extract-frequency formants-features phoneme-prediction speech-feature-extraction speech-recognition wav

Last synced: 14 Sep 2025

https://github.com/hako/dissertation

:mortar_board: :scroll: This repository holds my final year and dissertation project during my time at the University of Lincoln titled 'Deep Learning for Emotion Recognition in Cartoons'.

cartoons convolutional-neural-networks deep-learning deep-neural-networks dissertation emotion emotion-recognition haar-features machine-learning python tex

Last synced: 12 Apr 2025

https://github.com/ct83/hemuer

An AI Tool to record expressions of users as they watch a video and then visualize the funniest parts of it!

ai bootstrap datavisualisation-website datavisualization deep-learning emotion-detection emotion-recognition facial-expression-recognition facial-landmarks facial-recognition javascript nodejs rabbitmq

Last synced: 16 Sep 2025

https://github.com/MilaNLProc/feel-it

Sentiment analysis and emotion classification for Italian using BERT (fine-tuning). Published at the WASSA workshop (EACL2021).

emotion emotion-detection emotion-recognition italian sentiment-analysis sentiment-classification

Last synced: 31 Mar 2025

https://github.com/declare-lab/exemplary-empathy

This repository contains the source codes of the paper -- Exemplars-guided Empathetic Response Generation Controlled by the Elements of Human Communication

dialogue-generation dialogue-systems emotion-recognition emotion-recognition-in-conversation empathetic-dialogues empathetic-responses huggingface transformers

Last synced: 14 Apr 2025

https://github.com/PratikSavla/aio-bot

This is all in one chatbot. When you start conversation it sees your face and identifies if it has previously talked to you(Not supported in latest versions). It also checks for your emotion in between conversation. This emotion data is then used to help you whenever it detects you are sad or angry. It can search anything you ask on the internet.

ai-friend aio-bot bot chatbot conversation depression-therapy emotion emotion-recognition emotional-intelligence face-recognition

Last synced: 07 May 2025

https://github.com/bbenligiray/greedy-face-features

Greedy Search for Descriptive Spatial Face Features

emotion-analysis emotion-analytics emotion-recognition facial-expression-recognition facial-features facial-landmarks feature-selection sequential-forward-selection

Last synced: 06 May 2025

https://github.com/ajitharunai/facial-emotion-recognition-with-opencv-and-deepface

deep-learning deepface emotion-recognition face-recognition machine-learning

Last synced: 07 Oct 2025

https://github.com/donydchen/causal_emotion

☯︎[ACMMM'22] Official PyTorch Implementation of Towards Unbiased Visual Emotion Recognition via Causal Intervention

acmmm2022 causal-inference causality confounding emotion-recognition facial-expression-recognition pytorch

Last synced: 13 Aug 2025

https://github.com/spidy20/emotion_recognition_system

It can recognise your mood using face detection

crop emotion emotion-api emotion-detection emotion-recognition emotions-folder face-emotion-detection face-emotion-detector

Last synced: 18 Jun 2025

https://github.com/paveldat/emotion_recognition

Recognition of emotions from a photo

deep-learning emotion emotion-recognition face-recognition python recognition

Last synced: 24 Apr 2025

https://github.com/praveena2j/rjcma

ABAW6 (CVPR-W) We achieved second place in the valence arousal challenge of ABAW6

affective-computing arousal-valence attention-model emotion emotion-recognition multimodal-learning

Last synced: 12 Apr 2025

https://github.com/frankaging/multimodal-transformer

Attention Based Multi-modal Emotion Recognition; Stanford Emotional Narratives Dataset

attention-model emotion emotion-recognition lstm-neural-networks multimodal-deep-learning narrative natural-language-processing storytelling transformer-architecture

Last synced: 04 Sep 2025

https://github.com/dfghiatus/vrcft-babble

Project Babble Module for VRCFaceTracking v5. An open-source VR mouth tracking solution

ai babble computer-vision emotion emotion-classification emotion-detection emotion-recognition face-tracker face-tracking ml mouth mouth-detection mouth-tracking python python3 socket socket-programming vrchat vrchat-avatars

Last synced: 25 Oct 2025

https://github.com/gaborvecsei/emotion-recognition

Emotion recognition from face

emotion emotion-detection emotion-recognition opencv opencv-python python real-time

Last synced: 27 Aug 2025

https://github.com/charlesyuan02/emotion-music-player

A music player that recommends songs based on your detected mood. Created for TOHacks 2021.

computer-vision deep-learning django emotion-recognition html-css-javascript music-player

Last synced: 25 Oct 2025

https://github.com/clementreiffers/emotion-recognition-website-react

facial emotion recognition used in a website made with react

emotion-recognition face-detection face-recognition fer2013 ferplus javascript nodejs react react-face-recognition react-webcam reactjs tensorflow tensorflowjs

Last synced: 25 Oct 2025

https://github.com/friggog/emosic

Song recommendations for your current mood

affective-computing cnn-keras computer-science computer-vision emotion-recognition machine-learning

Last synced: 22 Apr 2025

https://github.com/hansonrobotics/ros_emopy

EmoPY Emotion Recognition ROS Node

emopy emotion-recognition face facial-expression-recognition ros

Last synced: 19 Apr 2026

https://github.com/corentinth/emotion

Live facial expression to emoji with your webcam.

application browser emoji emotion emotion-detection emotion-recognition facial javascript recognition

Last synced: 18 Mar 2025

https://github.com/dmitryryumin/fg-2024-papers

FG 2024 Papers: Explore a comprehensive collection of research papers presented at one of the premier conferences on automatic face and gesture recognition. Seamlessly integrate code implementations for better understanding. ⭐ Experience the cutting edge of progress in facial analysis, gesture recognition, and biometrics with this repository!

action-recognition affective-computing animation behavioral-analysis biometrics databases emotion-recognition face-and-gesture-image-detection face-biometrics facial-expressions facial-recognition fg fg2024 gait-analysis gesture-recognition hand-gesture-recognition human-pose-estimation sign-language