Search Results for author: Anastasios Roussos

Found 17 papers, 9 papers with code

3D Facial Expressions through Analysis-by-Neural-Synthesis

no code implementations5 Apr 2024 George Retsinas, Panagiotis P. Filntisis, Radek Danecek, Victoria F. Abrevaya, Anastasios Roussos, Timo Bolkart, Petros Maragos

Instead, SMIRK replaces the differentiable rendering with a neural rendering module that, given the rendered predicted mesh geometry, and sparsely sampled pixels of the input image, generates a face image.

3D Face Reconstruction Neural Rendering

Neural Text to Articulate Talk: Deep Text to Audiovisual Speech Synthesis achieving both Auditory and Photo-realism

1 code implementation11 Dec 2023 Georgios Milis, Panagiotis P. Filntisis, Anastasios Roussos, Petros Maragos

Our method, which we call NEUral Text to ARticulate Talk (NEUTART), is a talking face generator that uses a joint audiovisual feature space, as well as speech-informed 3D facial reconstructions and a lip-reading loss for visual supervision.

Lip Reading Speech Synthesis +1

3D Neural Sculpting (3DNS): Editing Neural Signed Distance Functions

1 code implementation28 Sep 2022 Petros Tzathas, Petros Maragos, Anastasios Roussos

In recent years, implicit surface representations through neural networks that encode the signed distance have gained popularity and have achieved state-of-the-art results in various tasks (e. g. shape representation, shape reconstruction, and learning shape priors).

Neural Sign Reenactor: Deep Photorealistic Sign Language Retargeting

no code implementations3 Sep 2022 Christina O. Tze, Panagiotis P. Filntisis, Athanasia-Lida Dimou, Anastasios Roussos, Petros Maragos

In this paper, we introduce a neural rendering pipeline for transferring the facial expressions, head pose, and body movements of one person in a source video to another in a target video.

Neural Rendering Sign Language Production

Visual Speech-Aware Perceptual 3D Facial Expression Reconstruction from Videos

1 code implementation22 Jul 2022 Panagiotis P. Filntisis, George Retsinas, Foivos Paraperas-Papantoniou, Athanasios Katsamanis, Anastasios Roussos, Petros Maragos

The recent state of the art on monocular 3D face reconstruction from image data has made some impressive advancements, thanks to the advent of Deep Learning.

3D Face Reconstruction 3D Reconstruction

Deep Semantic Manipulation of Facial Videos

1 code implementation15 Nov 2021 Girish Kumar Solanki, Anastasios Roussos

We focus on interactive manipulation of the videos by altering and controlling the facial expressions, achieving promising photorealistic results.

Neural Rendering

Head2Head++: Deep Facial Attributes Re-Targeting

1 code implementation17 Jun 2020 Michail Christos Doukas, Mohammad Rami Koujan, Viktoriia Sharmanska, Anastasios Roussos

Facial video re-targeting is a challenging problem aiming to modify the facial attributes of a target subject in a seamless manner by a driving monocular sequence.

ReenactNet: Real-time Full Head Reenactment

no code implementations22 May 2020 Mohammad Rami Koujan, Michail Christos Doukas, Anastasios Roussos, Stefanos Zafeiriou

Video-to-video synthesis is a challenging problem aiming at learning a translation function between a sequence of semantic maps and a photo-realistic video depicting the characteristics of a driving video.

Translation Video-to-Video Synthesis

Real-Time Monocular 4D Face Reconstruction using the LSFM models

no code implementations22 May 2020 Mohammad Rami Koujan, Nikolai Dochev, Anastasios Roussos

4D face reconstruction from a single camera is a challenging task, especially when it is required to be performed in real time.

4D reconstruction Face Reconstruction

DeepFaceFlow: In-the-wild Dense 3D Facial Motion Estimation

1 code implementation CVPR 2020 Mohammad Rami Koujan, Anastasios Roussos, Stefanos Zafeiriou

Dense 3D facial motion capture from only monocular in-the-wild pairs of RGB images is a highly challenging problem with numerous applications, ranging from facial expression recognition to facial reenactment.

3D Reconstruction Facial Expression Recognition +2

Real-time Facial Expression Recognition "In The Wild'' by Disentangling 3D Expression from Identity

1 code implementation12 May 2020 Mohammad Rami Koujan, Luma Alharbawee, Giorgos Giannakakis, Nicolas Pugeault, Anastasios Roussos

Human emotions analysis has been the focus of many studies, especially in the field of Affective Computing, and is important for many applications, e. g. human-computer intelligent interaction, stress analysis, interactive games, animations, etc.

Emotion Recognition Facial Expression Recognition +1

Estimating Correspondences of Deformable Objects "In-The-Wild"

no code implementations CVPR 2016 Yuxiang Zhou, Epameinondas Antonakos, Joan Alabort-i-Medina, Anastasios Roussos, Stefanos Zafeiriou

In this paper, we show for the first time, to the best of our knowledge, that it is possible to construct SDMs by putting object shapes in dense correspondence.

Semantic Segmentation

A 3D Morphable Model Learnt From 10,000 Faces

no code implementations CVPR 2016 James Booth, Anastasios Roussos, Stefanos Zafeiriou, Allan Ponniah, David Dunaway

We present Large Scale Facial Model (LSFM) -- a 3D Morphable Model (3DMM) automatically constructed from 9, 663 distinct facial identities.

Age Classification Descriptive

Face Flow

no code implementations ICCV 2015 Patrick Snape, Anastasios Roussos, Yannis Panagakis, Stefanos Zafeiriou

In this paper, we propose a method for the robust and efficient computation of multi-frame optical flow in an expressive sequence of facial images.

Optical Flow Estimation

Dense Variational Reconstruction of Non-rigid Surfaces from Monocular Video

no code implementations CVPR 2013 Ravi Garg, Anastasios Roussos, Lourdes Agapito

This paper offers the first variational approach to the problem of dense 3D reconstruction of non-rigid surfaces from a monocular video sequence.

3D Reconstruction

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