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AntTech
AntTech
Jul 3, 2025 · Artificial Intelligence

How Ant Group’s AI Multimodal Evaluation Transforms Image, Speech, and Video Quality Testing

In a QECon 2025 talk, Ant Group’s AI team detailed a comprehensive multimodal evaluation framework that leverages large‑model metrics, custom pipelines, and benchmark datasets to assess image generation, speech recognition, and video quality, while also contributing to industry standards and academic research.

AI Evaluationimage assessmentlarge models
0 likes · 16 min read
How Ant Group’s AI Multimodal Evaluation Transforms Image, Speech, and Video Quality Testing
Xiaohongshu Tech REDtech
Xiaohongshu Tech REDtech
Aug 17, 2023 · Artificial Intelligence

Human Visual Perception Based Edge‑Cloud Super‑Resolution Framework and RedVQA Quality Assessment at XiaoHongShu

At LiveVideoStackCon 2023, XiaoHongShu unveiled an edge‑cloud super‑resolution framework guided by the human‑perception‑aligned RedVQA model, which jointly optimizes video quality and bandwidth by generating a dedicated SR bitrate tier in the cloud and applying a lightweight SR algorithm on the client, achieving notable QoE gains and narrow‑band HD delivery.

AIbandwidth optimizationedge-cloud
0 likes · 25 min read
Human Visual Perception Based Edge‑Cloud Super‑Resolution Framework and RedVQA Quality Assessment at XiaoHongShu
Xiaohongshu Tech REDtech
Xiaohongshu Tech REDtech
Jul 26, 2023 · Industry Insights

Human‑Perception‑Based End‑Cloud Super‑Resolution: Cutting Bandwidth, Boosting Quality

The LiveVideoStackCon 2023 session revealed how a human‑perception‑driven end‑cloud super‑resolution framework, AI‑based no‑reference video quality assessment, and rigorous AB‑testing methods can dramatically reduce video bandwidth while enhancing visual quality, illustrating the broader challenges and opportunities in modern audio‑video systems.

AB testingAI assessmentaudio-video industry
0 likes · 13 min read
Human‑Perception‑Based End‑Cloud Super‑Resolution: Cutting Bandwidth, Boosting Quality
DaTaobao Tech
DaTaobao Tech
Jul 21, 2023 · Artificial Intelligence

A Year of Video‑Quality Engineering and Growth at Taobao Live

Over the past year, Taobao Live’s video‑quality team, led by former algorithm researcher Xiaocen, built an automated attribution system, real‑time low‑quality detection, and close streamer support, turning pure research into product‑focused engineering that boosted stream quality, trust, and business impact through cross‑domain collaboration.

Algorithm OptimizationEngineering GrowthPerformance Monitoring
0 likes · 9 min read
A Year of Video‑Quality Engineering and Growth at Taobao Live
Kuaishou Large Model
Kuaishou Large Model
Mar 31, 2023 · Artificial Intelligence

How Kuaishou Elevates Video Quality and AI Performance at NVIDIA GTC 2023

At NVIDIA GTC 2023, Kuaishou engineers unveiled cutting‑edge solutions ranging from video quality assessment and enhancement, 3D digital‑human live streaming, a custom TensorRT‑based performance framework, large‑scale recommendation model acceleration, to multimodal massive‑model deployment for short‑video scenarios.

AI OptimizationDigital HumanRecommendation Systems
0 likes · 9 min read
How Kuaishou Elevates Video Quality and AI Performance at NVIDIA GTC 2023
Kuaishou Audio & Video Technology
Kuaishou Audio & Video Technology
Mar 30, 2023 · Artificial Intelligence

How Kuaishou Elevates Short‑Video Quality and AI Performance at NVIDIA GTC 2023

At NVIDIA GTC 2023, Kuaishou engineers presented cutting‑edge solutions ranging from video quality assessment and enhancement to digital‑human live streaming, custom performance‑optimization frameworks, large‑scale recommendation model acceleration, and multimodal massive‑model deployment for short‑video applications.

AI OptimizationDigital HumanMultimodal Large Models
0 likes · 9 min read
How Kuaishou Elevates Short‑Video Quality and AI Performance at NVIDIA GTC 2023
Xiaohongshu Tech REDtech
Xiaohongshu Tech REDtech
Nov 11, 2022 · Artificial Intelligence

Media Experience Quality Assessment: Visual Perception and Objective Quality Metrics

Professor Zhai’s REDtech talk explained how the human visual system underlies full‑, reduced‑ and no‑reference media quality metrics, introduced a free‑energy‑based perception model and pseudo‑reference technique for accurate no‑reference UGC video assessment, and discussed audio‑visual integration, opinion‑score distributions, and EEG‑based perceptual loss challenges.

UGCVisual Perceptionaudio-visual
0 likes · 15 min read
Media Experience Quality Assessment: Visual Perception and Objective Quality Metrics
DaTaobao Tech
DaTaobao Tech
Sep 5, 2022 · Artificial Intelligence

How Alibaba’s New Guide Boosts Live‑Stream Video Quality for Every Creator

Alibaba’s DaTaobao team unveiled a high‑definition live‑streaming guide that combines video processing algorithms, equipment recommendations, and standardized low‑cost solutions to dramatically improve picture quality for both top‑tier and novice streamers, while also offering free access and ongoing support.

AIAlibabaalgorithm
0 likes · 8 min read
How Alibaba’s New Guide Boosts Live‑Stream Video Quality for Every Creator
Baidu Geek Talk
Baidu Geek Talk
Jun 6, 2022 · Industry Insights

Why Video Quality Matters and How Lingjing Revolutionizes Its Evaluation

This article explores the factors influencing video quality, explains why continuous improvement is essential, examines the importance and challenges of both subjective and objective quality assessments, and introduces Lingjing—a comprehensive, standards‑based video quality evaluation platform that addresses confidence issues and supports diverse testing scenarios.

LingjingMetricsassessment
0 likes · 15 min read
Why Video Quality Matters and How Lingjing Revolutionizes Its Evaluation
ByteDance SE Lab
ByteDance SE Lab
Dec 17, 2021 · Mobile Development

Douyin's Metric‑Driven Optimization: Boosting Creation Experience and Performance

This article details Douyin's systematic approach to improving creation experience by defining measurable goals, building a comprehensive metric system, performing relevance analysis, and implementing concrete Android and iOS performance optimizations—including album loading, component architecture, and small‑screen video quality—while outlining monitoring, tooling, and internal platform support that together deliver significant user‑facing gains.

AndroidMetricsPerformance Optimization
0 likes · 24 min read
Douyin's Metric‑Driven Optimization: Boosting Creation Experience and Performance
ByteDance SE Lab
ByteDance SE Lab
Nov 12, 2021 · Artificial Intelligence

How Douyin Boosts Video Quality End‑to‑End: From Capture to Playback

This article explains Douyin's comprehensive video‑quality pipeline, covering the impact of resolution, bit depth, frame rate, color gamut and brightness, the end‑to‑end processing chain from sensor to server to client, and the mix of subjective and objective evaluation methods used to continuously improve visual experience.

AI enhancementDouyinImage Processing
0 likes · 25 min read
How Douyin Boosts Video Quality End‑to‑End: From Capture to Playback
Byte Quality Assurance Team
Byte Quality Assurance Team
May 12, 2021 · Fundamentals

Audio/Video Quality Testing: Using ffmpeg Filters and VQI for Black Screen, Freeze, Blur, and Silence Detection

This article explains how to assess audio and video quality by leveraging ffmpeg filter graphs and the VQI tool to detect issues such as black screens, black frames, blur, freezing, black borders, silence, and volume anomalies, providing command‑line examples and parameter details.

VQIaudio testingblack screen detection
0 likes · 8 min read
Audio/Video Quality Testing: Using ffmpeg Filters and VQI for Black Screen, Freeze, Blur, and Silence Detection
360 Tech Engineering
360 Tech Engineering
Apr 16, 2021 · Artificial Intelligence

Applying YOLOv5 Object Detection for Black, Color, and Normal Screen Classification in Video Frames

This article presents a method that replaces traditional manual video frame quality checks with an automated YOLOv5‑based object detection pipeline, detailing data labeling, model training, loss computation, inference code, and experimental results that show higher accuracy than ResNet for classifying black, color‑screen, and normal frames.

Image ClassificationPythonYOLOv5
0 likes · 12 min read
Applying YOLOv5 Object Detection for Black, Color, and Normal Screen Classification in Video Frames
360 Quality & Efficiency
360 Quality & Efficiency
Apr 16, 2021 · Artificial Intelligence

Applying YOLOv5 Object Detection for Black, Color, and Blank Screen Classification in Video Frames

This article presents a method that replaces manual visual inspection with an automated YOLOv5‑based object detection pipeline to classify video frames as normal, colorful, or black screens, detailing data annotation, training, loss calculation, inference code, and showing a 97% accuracy improvement over ResNet.

Computer VisionDeep LearningImage Classification
0 likes · 11 min read
Applying YOLOv5 Object Detection for Black, Color, and Blank Screen Classification in Video Frames
Youku Technology
Youku Technology
Mar 10, 2020 · Operations

Big Drama Quality Assurance Process at Alibaba Entertainment

Alibaba Entertainment’s Big Drama Assurance framework applies automated and manual quality checks across production, operations, rights, playback, online monitoring, and emergency response, using a unified platform that detects and resolves issues before and after launch to protect revenue, uphold paid‑member rights, and ensure a seamless viewing experience.

AlibabaOperationscontent assurance
0 likes · 7 min read
Big Drama Quality Assurance Process at Alibaba Entertainment
58 Tech
58 Tech
Nov 29, 2019 · Big Data

Application of Big Data and Algorithms in the Real‑Estate Internet

The talk presented at the Shanghai Computer Society Annual Meeting details how big data and algorithms are leveraged in the real‑estate internet sector to enhance user personalization, improve agent matching, and assess video quality, illustrating practical implementations and performance gains across data collection, modeling, and recommendation pipelines.

AIBig DataReal Estate
0 likes · 10 min read
Application of Big Data and Algorithms in the Real‑Estate Internet
Youku Technology
Youku Technology
Sep 18, 2019 · Artificial Intelligence

AI-Driven Video Quality Evaluation and Machine Filtering for Short Videos at Youku

Youku’s MoKu Lab combines rule‑based preprocessing with multimodal AI models that score titles, covers and video content, enabling large‑scale machine filtering that boosts human review efficiency by 5‑6 percentage points and reduces low‑quality short videos from roughly 15 % to under 3 % while supporting flexible business rules.

AIcontent moderationmachine filtering
0 likes · 14 min read
AI-Driven Video Quality Evaluation and Machine Filtering for Short Videos at Youku
iQIYI Technical Product Team
iQIYI Technical Product Team
Jan 25, 2019 · Artificial Intelligence

Multimodal Video Quality Assessment Models for Short Video Platforms

The paper presents an integrated multimodal quality assessment system for short‑video platforms that evaluates cover images, video content, and accompanying text using deep‑learning and handcrafted features—combining ResNet‑50, NetVLAD, TSN, VGGish, and XGBoost—to improve user experience, recommendation accuracy, and operational efficiency, with plans for optimization and modular deployment.

Image AnalysisMultimodal Learningtext classification
0 likes · 11 min read
Multimodal Video Quality Assessment Models for Short Video Platforms
Architecture Digest
Architecture Digest
Nov 17, 2016 · Fundamentals

Video Live Streaming Quality Issues, Evaluation Methods, and System Design

This article examines common video live‑streaming quality problems, explains their causes, describes both subjective and objective evaluation methods—including FR, NR, and RR metrics—and outlines a practical system for building and conducting comprehensive video quality assessments.

Video Encodingobjective metricsquality assessment
0 likes · 16 min read
Video Live Streaming Quality Issues, Evaluation Methods, and System Design
Tencent IMWeb Frontend Team
Tencent IMWeb Frontend Team
Jul 6, 2016 · Fundamentals

Why Parse FLV? Unlocking Key Metrics for Live Video Quality

This article explains the need to parse FLV files to extract essential streaming metrics such as first‑frame latency, GOP size, and frame‑drop rates, and outlines practical parsing code, quality monitoring techniques, and solutions for common live‑streaming issues.

FLV parsingOSMFbuffer management
0 likes · 5 min read
Why Parse FLV? Unlocking Key Metrics for Live Video Quality