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Youku Technology
Youku Technology
Aug 10, 2022 · Artificial Intelligence

Youku Moku Lab's QoEVMA Workshop at ACM MM 2022: Advancing Quality of Experience in Visual Multimedia Applications

At ACM MM 2022, Youku Moku Lab chaired the pioneering QoEVMA workshop, receiving 14 international submissions and accepting eight papers that advanced Quality of Experience assessment for diverse visual multimedia formats, while showcasing the lab’s free‑viewpoint video technology deployed in major events such as the 2022 Beijing Winter Olympics.

ACM MMFree‑viewpoint videoKPI
0 likes · 5 min read
Youku Moku Lab's QoEVMA Workshop at ACM MM 2022: Advancing Quality of Experience in Visual Multimedia Applications
Youku Technology
Youku Technology
Jul 5, 2022 · Artificial Intelligence

Enlarging the Long-time Dependencies via RL-based Memory Network in Movie Affective Analysis

The paper introduces a reinforcement‑learning‑driven memory network that stores and updates historical video information via DDPG, overcoming LSTM/Transformer limitations on long‑duration movie sequences, and achieves state‑of‑the‑art affective prediction on LIRIS‑ACCEDE and related datasets, with real‑world deployments in AI content inspection and film‑element knowledge graphs.

long-term dependenciesmemory networkmovie affective analysis
0 likes · 5 min read
Enlarging the Long-time Dependencies via RL-based Memory Network in Movie Affective Analysis
Youku Technology
Youku Technology
Jun 9, 2022 · Mobile Development

Design and Architecture of the Cross-Platform Multimedia Rendering Engine OPR

The OPR engine provides a cross‑platform, GPU‑accelerated rendering framework that unifies audio‑video pre‑ and post‑processing, native UI‑driven danmaku rendering, and real‑time visual effects such as human‑body recognition, using a modular command‑stream architecture, C++ core, monitoring tools, and extensibility for future Vulkan, VR, and plugin integration.

GPUNative UIVideo processing
0 likes · 15 min read
Design and Architecture of the Cross-Platform Multimedia Rendering Engine OPR
Youku Technology
Youku Technology
Jun 8, 2022 · Mobile Development

How Youku Achieves Real-Time Bullet‑Screen Pass‑Through on Mobile

This article details Youku's technical approach to rendering bullet‑screen pass‑through on mobile devices, covering cloud‑based and on‑device segmentation pipelines, GPU‑accelerated rendering steps, performance optimizations, and engineering challenges to deliver seamless immersive viewing.

GPUMetalOpenGL
0 likes · 11 min read
How Youku Achieves Real-Time Bullet‑Screen Pass‑Through on Mobile
Youku Technology
Youku Technology
Jun 7, 2022 · Artificial Intelligence

Mobile Real-Time Portrait Segmentation for Youku Bullet Comment Passthrough

To enable real‑time bullet‑comment passthrough on Youku’s mobile app, the team built a million‑scale portrait dataset and designed the AirSegNet series—CPU, GPU, and server variants—using VGG‑style nets, edge‑aware losses, and hybrid CPU‑GPU inference, achieving 0.98 IoU and sub‑15 ms latency on most devices.

Edge computingMNN FrameworkPortrait Segmentation
0 likes · 13 min read
Mobile Real-Time Portrait Segmentation for Youku Bullet Comment Passthrough
Youku Technology
Youku Technology
Jun 1, 2022 · Artificial Intelligence

AI-Powered Restoration of Classic Animation Videos Using Deep Learning

Youku’s Digital Media Lab built an AI‑powered restoration pipeline that uses multi‑frame super‑resolution, denoising, deblocking, deblurring and GAN‑based detail generation to automatically revive classic animated films, removing noise and artifacts while preserving fine lines, enabling high‑definition viewing for modern audiences.

AIDenoisingSuper-Resolution
0 likes · 8 min read
AI-Powered Restoration of Classic Animation Videos Using Deep Learning
Youku Technology
Youku Technology
May 18, 2022 · Artificial Intelligence

Subjective and Objective Quality of Experience of Free Viewpoint Videos – Paper Overview

This IEEE TIP paper presents a large‑scale subjective‑objective study of Free Viewpoint Video quality, introducing a cost‑saving two‑stage labeling workflow, a sparse‑frame benchmark model, and publicly releasing the dataset and code, with contributions from Alibaba’s Moku Lab and Jiangxi University researchers.

DatasetFree Viewpoint VideoIEEE TIP
0 likes · 5 min read
Subjective and Objective Quality of Experience of Free Viewpoint Videos – Paper Overview
Youku Technology
Youku Technology
Apr 22, 2022 · Frontend Development

How Youku Cut Mobile UI Development Time by 30% with GaiaX & GaiaStudio

Facing the challenge of duplicated UI code across multiple devices, Youku’s tech team built a cross‑platform dynamic template system—including GaiaSketch, GaiaX, and GaiaStudio—that streamlines design‑to‑code workflows, reduces development effort by about 30%, and open‑sources the tools for the broader community.

Cross-PlatformGaiaStudioGaiaX
0 likes · 13 min read
How Youku Cut Mobile UI Development Time by 30% with GaiaX & GaiaStudio