Search Results for author: Pierre Hellier

Found 16 papers, 3 papers with code

Improved Positional Encoding for Implicit Neural Representation based Compact Data Representation

no code implementations10 Nov 2023 Bharath Bhushan Damodaran, Francois Schnitzler, Anne Lambert, Pierre Hellier

Positional encodings are employed to capture the high frequency information of the encoded signals in implicit neural representation (INR).

Novel View Synthesis

Latent-Shift: Gradient of Entropy Helps Neural Codecs

no code implementations1 Aug 2023 Muhammet Balcilar, Bharath Bhushan Damodaran, Karam Naser, Franck Galpin, Pierre Hellier

End-to-end image/video codecs are getting competitive compared to traditional compression techniques that have been developed through decades of manual engineering efforts.

Entropy Coding Improvement for Low-complexity Compressive Auto-encoders

no code implementations10 Mar 2023 Franck Galpin, Muhammet Balcilar, Frédéric Lefebvre, Fabien Racapé, Pierre Hellier

End-to-end image and video compression using auto-encoders (AE) offers new appealing perspectives in terms of rate-distortion gains and applications.

Quantization Video Compression

RQAT-INR: Improved Implicit Neural Image Compression

no code implementations6 Mar 2023 Bharath Bhushan Damodaran, Muhammet Balcilar, Franck Galpin, Pierre Hellier

Deep variational autoencoders for image and video compression have gained significant attraction in the recent years, due to their potential to offer competitive or better compression rates compared to the decades long traditional codecs such as AVC, HEVC or VVC.

Image Compression Video Compression

Reducing The Amortization Gap of Entropy Bottleneck In End-to-End Image Compression

no code implementations2 Sep 2022 Muhammet Balcilar, Bharath Damodaran, Pierre Hellier

The decoder is also learned as a deep trainable network, and the reconstructed image measures the distortion.

Image Compression

Video Coding Using Learned Latent GAN Compression

no code implementations9 Jul 2022 Mustafa Shukor, Bharath Bhushan Damodaran, Xu Yao, Pierre Hellier

We leverage the generative capacity of GANs such as StyleGAN to represent and compress a video, including intra and inter compression.

Video Compression

Semantic Unfolding of StyleGAN Latent Space

no code implementations29 Jun 2022 Mustafa Shukor, Xu Yao, Bharath Bushan Damodaran, Pierre Hellier

Generative adversarial networks (GANs) have proven to be surprisingly efficient for image editing by inverting and manipulating the latent code corresponding to an input real image.

Attribute Disentanglement +1

Feature-Style Encoder for Style-Based GAN Inversion

1 code implementation4 Feb 2022 Xu Yao, Alasdair Newson, Yann Gousseau, Pierre Hellier

Additionally, we demonstrate that the proposed encoder is especially well-suited for inversion and editing on videos.

Image Reconstruction

Learning Perceptual Compression of Facial Video

no code implementations29 Sep 2021 Mustafa Shukor, Xu Yao, Bharath Bhushan Damodaran, Pierre Hellier

We leverage the generative capacity of GANs such as StyleGAN to represent and compress each video frame (intra compression), as well as the successive differences between frames (inter compression).

Video Compression

Semantic and Geometric Unfolding of StyleGAN Latent Space

no code implementations9 Jul 2021 Mustafa Shukor, Xu Yao, Bharath Bhushan Damodaran, Pierre Hellier

Generative adversarial networks (GANs) have proven to be surprisingly efficient for image editing by inverting and manipulating the latent code corresponding to a natural image.

Attribute Disentanglement +1

A Latent Transformer for Disentangled Face Editing in Images and Videos

1 code implementation ICCV 2021 Xu Yao, Alasdair Newson, Yann Gousseau, Pierre Hellier

Previous works that attempt to tackle this problem may suffer from the entanglement of facial attributes and the loss of the person's identity.

Attribute Disentanglement

JUMPS: Joints Upsampling Method for Pose Sequences

no code implementations2 Jul 2020 Lucas Mourot, François Le Clerc, Cédric Thébault, Pierre Hellier

Human Pose Estimation is a low-level task useful forsurveillance, human action recognition, and scene understandingat large.

Action Recognition Pose Estimation +2

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