Search Results for author: J. P. Lewis

Found 7 papers, 3 papers with code

TrailBlazer: Trajectory Control for Diffusion-Based Video Generation

no code implementations31 Dec 2023 Wan-Duo Kurt Ma, J. P. Lewis, W. Bastiaan Kleijn

Within recent approaches to text-to-video (T2V) generation, achieving controllability in the synthesized video is often a challenge.

Video Generation

FDLS: A Deep Learning Approach to Production Quality, Controllable, and Retargetable Facial Performances

no code implementations26 Sep 2023 Wan-Duo Kurt Ma, Muhammad Ghifary, J. P. Lewis, Byungkuk Choi, Haekwang Eom

This paper describes FDLS (Facial Deep Learning Solver), which is Weta Digital's solution to these challenges.

Exact Diffusion Inversion via Bi-directional Integration Approximation

1 code implementation10 Jul 2023 Guoqiang Zhang, J. P. Lewis, W. Bastiaan Kleijn

In our work, it is found that applying BDIA to the EDM sampling procedure produces consistently better performance over four pre-trained models.

Image Reconstruction Text-to-Image Generation

Training-Free Neural Matte Extraction for Visual Effects

no code implementations29 Jun 2023 Sharif Elcott, J. P. Lewis, Nori Kanazawa, Christoph Bregler

Alpha matting is widely used in video conferencing as well as in movies, television, and social media sites.

Image Matting

Directed Diffusion: Direct Control of Object Placement through Attention Guidance

no code implementations25 Feb 2023 Wan-Duo Kurt Ma, J. P. Lewis, Avisek Lahiri, Thomas Leung, W. Bastiaan Kleijn

Text-guided diffusion models such as DALLE-2, Imagen, eDiff-I, and Stable Diffusion are able to generate an effectively endless variety of images given only a short text prompt describing the desired image content.

The HSIC Bottleneck: Deep Learning without Back-Propagation

3 code implementations5 Aug 2019 Wan-Duo Kurt Ma, J. P. Lewis, W. Bastiaan Kleijn

We introduce the HSIC (Hilbert-Schmidt independence criterion) bottleneck for training deep neural networks.

Classification General Classification

Cannot find the paper you are looking for? You can Submit a new open access paper.