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Xiaohongshu Tech REDtech
Xiaohongshu Tech REDtech
Sep 21, 2023 · Artificial Intelligence

Xiaohongshu Team’s Four ICCV 2023 Papers on Open‑Vocabulary Video Instance Segmentation, One‑Shot 3D Avatar Learning, Test‑Time Personalized Human Pose Forecasting, and MPI‑Flow for Realistic Optical Flow

The Xiaohongshu technical team secured four ICCV 2023 papers—including an oral presentation—introducing an open‑vocabulary video instance segmentation benchmark and model, a one‑shot neural‑radiance‑field avatar method, a test‑time personalized 3D pose forecasting framework, and an MPI‑based realistic optical‑flow generation technique, all achieving state‑of‑the‑art performance.

3D AvatarHuman Pose ForecastingICCV 2023
0 likes · 14 min read
Xiaohongshu Team’s Four ICCV 2023 Papers on Open‑Vocabulary Video Instance Segmentation, One‑Shot 3D Avatar Learning, Test‑Time Personalized Human Pose Forecasting, and MPI‑Flow for Realistic Optical Flow
Baidu Geek Talk
Baidu Geek Talk
Mar 8, 2023 · Artificial Intelligence

Understanding Motion Decomposition in AI-Based Image Animation: From Sparse to Dense Optical Flow

The article details how AI‑based image animation and face‑swapping decompose video motion into zero‑order rigid and first‑order affine components via Taylor expansion, using unsupervised U‑Net keypoint extraction, sparse-to-dense optical flow conversion, and dense motion networks that learn masks for region‑wise rigidity and non‑rigid deformation.

Neural NetworksTaylor expansionaffine transformation
0 likes · 21 min read
Understanding Motion Decomposition in AI-Based Image Animation: From Sparse to Dense Optical Flow
Youku Technology
Youku Technology
Oct 25, 2018 · Artificial Intelligence

High‑Frame‑Rate Video Interpolation: FRUC Algorithm for 25→50 FPS Conversion

During the World Cup, Youku used a frame‑rate‑up‑conversion algorithm that synthesizes intermediate frames by combining block‑based motion estimation, optical‑flow refinement, and a rule‑based plus deep‑learning fusion, enabling smooth 25→50 fps video and preserving fast‑moving objects such as a football.

Deep LearningFRUCframe-rate conversion
0 likes · 10 min read
High‑Frame‑Rate Video Interpolation: FRUC Algorithm for 25→50 FPS Conversion
Architecture Digest
Architecture Digest
May 19, 2018 · Artificial Intelligence

Optical Flow: Principles, Evolution, and Applications in Computer Vision

This article explains the fundamentals of optical flow, traces its development from early variational methods to modern deep‑learning models like FlowNet, and discusses practical applications such as video object detection, semantic segmentation, and novel view synthesis, highlighting both technical challenges and future research directions.

Computer VisionDeep LearningFlowNet
0 likes · 14 min read
Optical Flow: Principles, Evolution, and Applications in Computer Vision
21CTO
21CTO
May 8, 2018 · Artificial Intelligence

How Optical Flow Powers 360° Product Views and Advanced Vision Applications

This article explores the evolution and principles of optical flow—from early Horn‑Schunck models and Lucas‑Kanade to modern deep‑learning approaches like FlowNet—detailing its role in JD’s 360° product imaging, video detection, segmentation, view synthesis, and future research challenges in computer vision.

Deep LearningImage Processingoptical flow
0 likes · 15 min read
How Optical Flow Powers 360° Product Views and Advanced Vision Applications
JD Tech
JD Tech
May 4, 2018 · Artificial Intelligence

Optical Flow: Principles, Methods, and Applications in Computer Vision

This article introduces the fundamentals and evolution of optical flow, covering classic algorithms such as Horn‑Schunck and Lucas‑Kanade, modern deep‑learning approaches like FlowNet, and their practical applications in video detection, semantic segmentation, and novel view synthesis.

CNNDeep LearningImage Processing
0 likes · 15 min read
Optical Flow: Principles, Methods, and Applications in Computer Vision