시장보고서
상품코드
1694625

자동차 조종석에서의 AI 응용(2025년)

Research Report on the Application of AI in Automotive Cockpits, 2025

발행일: | 리서치사: ResearchInChina | 페이지 정보: 영문 310 Pages | 배송안내 : 1-2일 (영업일 기준)

    
    
    



※ 본 상품은 영문 자료로 한글과 영문 목차에 불일치하는 내용이 있을 경우 영문을 우선합니다. 정확한 검토를 위해 영문 목차를 참고해주시기 바랍니다.

음성인식과 페이스 모니터링 기능이 처음으로 자동차에 탑재된 2000년대 초반부터 2023년까지 ‘대규모 모델 통합’ 동향의 대두에 따라, 자동차 제조업체가 추론 모델 ‘DeepSeek-R1’을 널리 채용하는 2025년까지 조종실에서 AI의 응용은 3가지 중요한 단계를 거쳐 진화해 왔습니다.

이전 대규모 모델 시대 : 조종실은 기계식에서 전자식으로, 지능형 시스템으로 전환되었으며 얼굴 인식 및 음성 인식과 같은 시나리오를 위해 소규모 AI 모델이 통합되었습니다.

포스트 대규모 모델 시대 : 인공지능의 적용 범위가 확대되고 양이 증가하고 효과가 크게 개선되었지만, 정확성과 적응성은 여전히 일관성이 없었습니다.

멀티모달 대규모 언어 모델(LLM)과 추론 모델 : 조종실은 기본적인 지능에서 '깊은 상호작용과 자기 진화' 단계로 진행되었습니다.

조종석 AI 개발 동향 1 : 딥 인터랙션

딥 인터랙션은 '링키지 인터랙션', '멀티 모달 인터랙션', '개인형 인터랙션', '액티브 인터랙션', '정밀 인터랙션'에 반영됩니다.

'정밀 인터랙션'을 예로 들자면, 추론 대규모 모델은 음성 인터랙션의 정확도, 특히 연속 인식의 정확도를 향상시킬 뿐만 아니라 컨텍스트의 동적 이해를 통해 센서 융합 처리 데이터와 결합, 멀티태스킹 학습 아키텍처에 의존하여 네비게이션, 음악, 기타 복합 요구를 동기 처리하고 응답 속도는 기존 솔루션에 비해 40% 향상합니다. 2025년 추론 모델(DeepSeek-R1 등)이 대규모로 탑재된 후 엔드사이드 추론 기능은 자동 음성 인식 프로세스를 가속화하고 정확도가 더욱 향상될 것으로 예측됩니다.

'멀티모달 상호작용'을 예로 들어, 대규모 모델의 다중 소스 데이터 처리 능력을 활용하여 크로스모달 협업 인텔리전트 인터랙션 시스템을 구축할 수 있습니다. 3D 카메라와 마이크 어레이를 깊게 통합함으로써 시스템은 제스처 명령, 음성 의미, 환경 특성을 동시에 분석하고 멀티모달 의도 이해를 단시간에 완료할 수 있으며, 이는 기존 솔루션보다 60% 빠릅니다. 크로스모달 얼라인먼트 모델을 기반으로 제스처 제어와 음성 명령을 협조함으로써 복잡한 운전 시나리오에서 오작동률을 더욱 줄일 수 있습니다. 2025-2026년에 멀티모달 데이터 퓨전 처리 기능이 차세대 조종석의 표준이 될 것으로 예측됩니다. 대표적인 시나리오는 다음과 같습니다.

제스처 조작 : 운전자는 손을 흔들거나 손가락을 가리키는 간단한 제스처로 운전 중 주의를 산만하게 하지 않고 창, 선루프, 볼륨, 네비게이션 등의 기능을 편리하게 조작할 수 있습니다.

얼굴 인식과 개인화 : 얼굴 인식 기술을 통해 드라이버를 자동으로 식별하고 개인 선호에 따라 시트, 백미러, 에어컨, 음악 등의 설정을 자동으로 조정하여 "차를 타고 즐긴다"라는 개인화된 경험을 실현합니다.

눈 추적 및 어텐션 모니터링 : 시선 추적 기술을 통해 운전자의 시선 방향과 주의 상태를 모니터링하고 피로 운전이나 부주의 등의 위험 행동을 적시에 검출하고 조기 경고 프롬프트를 제공하여 운전 안전을 향상시킵니다.

감정인식과 감정적 상호작용 : 인공지능시스템은 운전자의 표정과 목소리 톤 등을 통해 불안, 피로, 흥분 등 운전자의 감정 상태를 판단하고, 그에 따라 차내 환경 조명, 음악, 에어컨 등을 조정하여 보다 친밀한 감정적 서비스를 제공할 수 있습니다.

조종석 AI 개발 동향 2 : 자기 진화

2025년 조종석 에이전트는 사용자가 조종석과 상호작용할 수 있는 매체가 되었으며, 그 주목할만한 특징이 '장기 기억', '피드백 학습', '능동적 인지'에 반영되는 '자기 진화'입니다.

이 보고서는 중국 자동차 산업에 대한 조사 분석을 통해 국내외 제조업체가 자동차 조종석에서 AI의 응용에 대한 정보를 제공합니다.

목차

제1장 자동차 조종석에서 AI의 응용 시나리오

  • 조종석에서 AI의 응용 현상
  • 시나리오 1 : 음성 인식
  • 시나리오 2 : 멀티모달 상호작용
  • 시나리오 3 : IMS
  • 시나리오 4 : HUD
  • 시나리오 5 : 레이더 감지

2장 시나리오를 기반으로 한 조종석 에이전트

  • 조종석 에이전트 개요
  • 조종석 에이전트의 응용 배경

제3장 공급자의 조종석 AI 응용 예

  • 공급자의 조종석 AI 대규모 모델 기능
  • Huawei
  • Tencent
  • Ali
  • Baidu
  • ByteDance(Volcano Engine)
  • Zhipu AI
  • SenseTime
  • iFLYTEK
  • AISpeech
  • Unisound AI Technology Co, Ltd
  • Upjohn technology
  • ThunderSoft
  • Z-One
  • Desay SV
  • TINNOVE
  • PATEO
  • Cerence
  • MediaTek
  • Minieye
  • oToBrite
  • Smart Eye

제4장 자동차 제조업체의 조종석 AI 응용 예

  • OEM의 대규모 모델 응용 개요
  • NIO
  • Li Auto
  • XPeng
  • Xiaomi
  • Leapmotor
  • BYD
  • SAIC
  • GAC
  • BAIC
  • Chang'an
  • Great Wall
  • Chery
  • Geely
  • Jianghuai
  • Applications of Jianghuai AI Cockpit
  • BMW
  • Mercedes Benz
  • VW

제5장 조종석에서 AI의 응용 동향과 기술적 자원

  • 조종석에서 AI의 응용 동향
  • 동향 1 :
  • 동향 2 : 대규모 모델로부터 에이전트로
  • 동향 3 :
  • 동향 4 :
  • 동향 5 :
  • 동향 6 :
  • 동향 7 :
  • 조종석에 대한 AI 기술 구현을 위한 리소스 계산
  • 자원 계산
  • 다양한 조종석 AI 알고리즘의 장단점
KTH 25.04.11

Cockpit AI Application Research: From "Usable" to "User-Friendly," from "Deep Interaction" to "Self-Evolution"

From the early 2000s, when voice recognition and facial monitoring functions were first integrated into vehicles, to the rise of the "large model integration" trend in 2023, and further to 2025 when automakers widely adopt the reasoning model DeepSeek-R1, the application of AI in cockpits has evolved through three key phases:

Pre-large model era: Cockpits transitioned from mechanical to electronic and then to intelligent systems, integrating small AI models for scenarios like facial and voice recognition.

Post-large model era: AI applications expanded in scope and quantity, with significant improvements in effectiveness, though accuracy and adaptability remained inconsistent.

Multimodal large language models (LLMs) and reasoning models: Cockpits advanced from basic intelligence to a stage of "deep interaction and self-evolution."

Cockpit AI Development Trend 1: Deep Interaction

Deep interaction is reflected in "linkage interaction", "multi-modal interaction", "personalized interaction", "active interaction" and "precise interaction".

Taking "precise interaction" as an example, the inference large model not only improves the accuracy of voice interaction, especially the accuracy of continuous recognition, but also through dynamic understanding of context, combined with sensor fusion processing data, relying on multi-task learning architecture to synchronously process navigation, music and other composite requests, and the response speed is increased by 40% compared with traditional solutions. It is expected that in 2025, after the large-scale loading of inference models (such as DeepSeek-R1), end-side inference capabilities can make the automatic speech recognition process faster and further improve the accuracy.

Taking "multi-modal interaction" as an example, using the multi-source data processing capabilities of large models, a cross-modal collaborative intelligent interaction system can be built. Through the deep integration of 3D cameras and microphone arrays, the system can simultaneously analyze gesture commands, voice semantics and environmental characteristics, and complete multi-modal intent understanding in a short time, which is 60% faster than traditional solutions. Based on the cross-modal alignment model, gesture control and voice commands can be coordinated to further reduce the misoperation rate in complex driving scenarios. It is expected that in 2025-2026, multi-modal data fusion processing capabilities will become standard in the new generation of cockpits. Typical scenarios include:

Gesture control: Drivers can conveniently control functions such as windows, sunroof, volume, navigation, etc. through simple gestures, such as waving, pointing, etc., without distracting their driving attention.

Facial recognition and personalization: The system can automatically identify the driver through facial recognition technology, and automatically adjust the settings of seats, rearview mirrors, air conditioners, music, etc. according to their personal preferences, to achieve a personalized experience of "get in the car and enjoy".

Eye tracking and attention monitoring: Through eye tracking technology, the system can monitor the driver's gaze direction and attention state, detect risk behaviors such as fatigue driving and inattention in a timely manner, and provide early warning prompts to improve driving safety.

Emotional recognition and emotional interaction: AI systems can even identify the driver's emotional state, such as judging whether the driver is anxious, tired or excited through facial expressions, voice tone, etc., and adjust the ambient lighting, music, air conditioning, etc. in the car accordingly to provide more intimate emotional services.

Cockpit AI Development Trend 2: self-evolution

In 2025, the cockpit agent will become the medium for users to interact with the cockpit, and one of its salient features is "self-evolution", reflected in "long-term memory", "feedback learning", and "active cognition".

"Long-term memory", "feedback learning", and "active cognition" are gradual processes. AI constructs user portraits through voice communication, facial recognition, behavior analysis and other data to achieve "thousands of people and thousands of faces" services. This function uses reinforcement learning and reasoning related technology implementation, and the system relies on data closed-loop continuous learning of user behavior. Under the reinforcement learning mechanism, each user feedback becomes the key basis for optimizing the recommendation results.

With the continuous accumulation of data, the large model can more quickly discover the law of user interest point transfer, and can anticipate user requests in advance. It is expected that in the next two years, with the help of more advanced reinforcement learning algorithms and efficient reasoning architecture, the system will increase the mining speed of users' new areas of interest by 50%, and the accuracy of recommended results will be further improved. Such as:

BMW's cockpit system remembers driver seat preferences, frequented locations, and automatically dims ambient lights to relieve anxiety on rainy days;

Mercedes-Benz's voice assistant can recommend restaurants based on the user's schedule and reserve charging stations in advance.

BMW Intelligent Voice Assistant 2.0 is based on Amazon's Large Language Model (LLM) and combines the roles of personal assistant, vehicle expert and accompanying occupant to generate customized suggestions by analyzing the driver's daily route, music preferences and even seat adjustment habits. For example, if the system detects that the driver often stops at a coffee shop every Monday morning, it will proactively prompt in a similar situation: "Are you going to a nearby Starbucks?" In addition, the system can also adjust recommendations based on weather or traffic conditions, such as recommending indoor parking on rainy days; when the user says "Hello BMW, take me home", "Hello BMW, help me find a restaurant", the personal assistant can quickly plan a route and recommend a restaurant.

Cockpit AI Development Trend 3: Symbiosis of Large and Small Models

The large model has been on the bus for nearly two years, but the phenomenon of the large model "completely replacing" the small model has not occurred. With its lightweight and low power consumption characteristics, the small model performs well in end-side task scenarios with high real-time requirements and relatively small data processing. For example, in intelligent voice interaction, the small model can quickly parse commands such as "turn on the air conditioner" or "next song" to provide instant responses. Similarly, in gesture recognition, the small model realizes low-latency operation through local computing, avoiding the time lag of cloud transmission. This efficiency makes the small model the key to improving the user interaction experience.

In practical applications, the two complement each other; the large model is responsible for complex calculations in the background (such as path planning), while the small model focuses on the fast response of the front desk (such as voice control), jointly building an efficient and intelligent cockpit ecosystem. Especially inspired by DeepSeek's distillation technology, it is expected that after 2025, the end-side small models obtained by distilling high-performance large models will be mass-produced on a certain scale."

Taking NIO as an example, it runs its AI application in a two-wheel drive manner for large and small models as a whole, with a focus on large models, but it does not ignore the application of small models.

Table of Contents

Relevant Definitions

1 Application Scenarios of AI in Automotive Cockpits

  • 1.1 Current Status of AI Applications in Cockpits
  • Characteristics of the New Generation Cockpit after AI Integration
  • Application Scenarios of AI in Cockpits: Current Status
  • 1.2 Scenario 1: Speech Recognition
  • AI Large Model Integration into Speech Recognition Development Roadmap
  • Sub-Scenario 1: Voiceprint Recognition
  • Sub-Scenario 2: External Vehicle Speech Recognition
  • Speech Interaction Suppliers Integrating AI Large Models
  • 1.3 Scenario 2: Multimodal Interaction
  • AI Large Model Integration into Facial Recognition Development Roadmap
  • Small Model Integration in Lip Movement Recognition Scenarios
  • Small Model Integration in Iris Recognition Scenarios
  • Vehicle Models with Iris Recognition Function
  • 1.4 Scenario 3: IMS
  • Functions Implemented by In-cabin Monitoring Systems
  • Development of AI in In-cabin Monitoring Scenarios
  • Examples of AI Algorithms in In-cabin Monitoring
  • AI Technology Applications in In-cabin Monitoring Chip Suppliers
  • AI Technology Applications in In-cabin Monitoring: Algorithm Suppliers
  • 1.5 Scenario 4: HUD
  • Applications of AI algorithms in HUDs
  • 1.6 Scenario 5: Radar Detection
  • AI algorithms in Radar (1)
  • AI algorithms in Radar (2)

2 Cockpit Agents Based on Scenarios

  • 2.1 Overview of Cockpit Agents
  • Introduction to AI Agents
  • Classification of Cockpit AI agents
  • Evolution Direction of Cockpit AI agents: Cognition-driven
  • Process of AI Agents Landing in Cockpits: From Large Models to AIOS
  • Program for AI Agents Landing in Cockpits based on LLMs
  • Interaction Mechanism of Cockpit AI Agents
  • Classification of Application Scenarios for Cockpit AI Agents (1)
  • Classification of Application Scenarios for Cockpit AI Agents (2)
  • Evolution Direction of AI Agents: Active Interaction
  • Evolution Direction of AI Agents: Reflective Optimization
  • 2.2 Application Background of Cockpit Agents
  • Application Background (1): Multimodal Interaction Spurs Agent Landing
  • Application Background (2): Scenario Creation as an Important Approach for Agent Evolution
  • Application Background (3): Agent Scenarios Drive Demand for High-Performance Computing Chips
  • Application Background (4): Performance of Large Models Determines the Upper Limit of Agents
  • Application Background (5): Parallel Development of Large and Small Models

3 Cockpit AI Application Cases of Suppliers

  • Overview of Cockpit AI Large Model Functions of Suppliers
  • 3.1 Huawei
  • Huawei's AI Application Planning in Cockpits
  • Function Construction of Huawei HarmonySpace Intelligent Cockpit
  • Huawei Xiaoyi's Voice Capabilities based on Large Models
  • AI Functions of Huawei Harmony OS
  • Two Implementation Methods of Huawei Harmony OS "See and Say"
  • Case: Xiaoyi Assistant Interaction Scenario in Harmony OS vehicles
  • 3.2 Tencent
  • Tencent's Intelligent Cockpit Large Model Framework
  • Enhancing Interaction Functions with Tencent's Large Model
  • Applications of Tencent's Intelligent Cockpit Large Model (1)
  • Applications of Tencent's Intelligent Cockpit Large Model (2)
  • Interaction Features of Tencent's Cockpit (1)
  • Interaction Features of Tencent's Cockpit (2)
  • 3.3 Ali
  • Alibaba Qwen Large Model and OS Integration
  • Ali's AI-based Voice Scenario
  • Ali NUI End-cloud Integrated Platform Architecture
  • Alibaba's E2E Large Model Combined with Cloud Computing
  • Functional Application of Qwen Large Model End Side on IVI
  • Qwen Large Model Mounted on IVI
  • 3.4 Baidu
  • Baidu Smart Cabin is Built based on ERNIE Bot Model
  • Baidu AI Native Operating System
  • 3.5 ByteDance (Volcano Engine)
  • Volcano Engine Cockpit Function Highlights
  • 3.6 Zhipu AI
  • Cockpit Design Architecture Based on AI Large Model
  • Scenario Design of AI Large Model
  • Design of AI Large Model for Cockpit Interaction Pain Points
  • 3.7 SenseTime
  • Six Features of SenseTime Smart Cabin
  • Influence of SenseTime SenseNova on Cockpit Interaction
  • SenseTime Multimodal Processing Capability Framework
  • Multimodal Interactive Application Case of SenseAuto
  • In-cabin Monitoring Products of SenseAuto
  • 3.8 iFLYTEK
  • Spark Large Model Function List
  • Development History of iFLYTEK Spark Model
  • Upgrade Content of iFLYTEK Spark Model 4.0
  • Spark Model Core Capability
  • Large Model Deployment Solution
  • Car Assistant based on Spark Model
  • Spark Voice Model
  • Spark Large Model Function List
  • How does iFLYTEK's Spark Cockpit Integrate into AI Services?
  • Application Technology of Spark Large Model
  • Full-stack Intelligent Interaction Technology
  • Smart Car AI Algorithm Chip Compatibility
  • Characteristics of Multimode Perception System
  • Multimodal Interaction
  • 3.9 AISpeech
  • Large Model Details
  • DUI 2.0 products based on DFM
  • DFM "1 + N" layout
  • AISpeech Fusion Large Model Solution
  • Development History AI Speech Technology
  • Multi-modal Interaction Solution of AI Speech Technology
  • Features of AISpeech Car Voice Assistant
  • 3.10 Unisound AI Technology Co, Ltd
  • Vehicle Large Model solution
  • Large Model Details
  • Application of Shanhai Large Model in Cockpit
  • Vehicle Voice Solution Business Model
  • Voice Basic Technology
  • 3.11 Upjohn technology
  • Voice Large Model Solution
  • Intelligent Cabin Large Model (Hybrid Architecture + Fusion Open)
  • Vehicle Voice Solution
  • 3.12 ThunderSoft
  • Large Model Layout
  • Rubik Model in Cockpit Interaction
  • 3.13 Z-One
  • AI Service Structure is Built according to 4 Levels
  • AI's Changes to Hardware Layer
  • AI's Changes to the Software Layer
  • AI Changes to Cloud/Vehicle Deployment
  • 3.14 Desay SV
  • Four Main Application Scenarios of Cockpit Large Model
  • Multimodal Interaction of Cockpit Large Model
  • Multimode Interaction of Cockpit Large Model: Smart Solution 2.0
  • Research History of Vehicle Voice
  • Voice Large Model Solution Overview
  • Solutions to Pain Points in Voice Industry
  • Large Model Voice Future Planning
  • 3.15 TINNOVE
  • AI Models Empower Three Levels of Cockpit
  • Four Stages of Smart Cockpit Planning
  • AI Cockpit Architecture Design
  • AI Large Model Service Form
  • AI Large Model Application Scenario
  • Combination of TTI OS and Digital Human
  • 3.16 PATEO
  • Voice Interaction Technology
  • PATEO AI Voice Capability Configuration
  • 3.17 Cerence
  • Automotive Language Large Model Solution
  • Voice Assistant and Large Model Integration Solution
  • Voice Assistant
  • Vehicle-Outside Voice Interaction
  • Core Technology of Speech Based on Large Model
  • 3.18 MediaTek
  • MediaTek Cockpit Interaction Features
  • 3.19 Minieye
  • I-CS Intelligent Cockpit Adopts CV Technology
  • 3.20 oToBrite
  • Vision AI Driver Monitoring System
  • 3.21 Smart Eye
  • AI Scenario of Driver Monitoring System
  • LLM Powers Smart Eye DMS/OMS System

4 Cockpit AI Application Cases of OEMs

  • Overview of OEM Large Model Applications
  • 4.1 NIO
  • Multimodal Perception Large Model: NOMI GPT
  • Multimodal Interaction Applications based on NOMI GPT
  • LeDao intelligent Cockpit Interaction Scenarios based on NOMI GPT
  • 4.2 Li Auto
  • Lixiang Tongxue: Building Multiple Scenarios
  • Lixiang Tongxue: Thinking Chain Explainability
  • Mind GPT: Building AI Agent as Core of Large Model
  • Mind GPT: Multimodal Perception
  • Large Model Training Platform Adopts 4D Parallel Mode
  • Cooperation with NVIDIA on Inference Engine
  • Lixiang Tongxue's Multimodal Interaction Case in MEGA Ultra
  • 4.3 XPeng
  • Intelligent Cockpit Solution: XOS Tianji system
  • 4.4 Xiaomi
  • Xiaomi Vehicle Large Model: MiLM
  • Voice Large Model Gets on
  • XiaoAi Covers the Scene through Voice Commands
  • Voice Task Analysis and Execution Process
  • XiaoAi Accurately Match through RAG
  • Xiaomi HyperOS Launches DeepSeek R1 Model
  • Mi SU7 Self-developed Sound Model
  • 4.5 Leapmotor
  • Large Model 1.0: Tongyi Large Model
  • Large Model 2.0: Enhancing Cockpit Large Model Capabilities with DeepSeek R1
  • 4.6 BYD
  • Functional Scenario of BYD Xuanji AI Large Model in Cockpit
  • Case of BYD Xuanji AI Large Model in Cockpit
  • 4.7 SAIC
  • Application of IM Large Model in Vehicle Voice
  • IM Large Model Application Case
  • IM Large Model Builds Active Perception Scenario
  • 4.8 GAC
  • Intelligent Cockpit Solution
  • Cockpit Application of GAC AI Large Model
  • Application of DeepSeek in GAC Cockpit
  • 4.9 BAIC
  • Three Development Stages of BAIC Large Model
  • Large Model Specific Scenario
  • BAIC Agent Platform Architecture
  • Planning Ideas for Large Model Products
  • AI Application Case
  • 4.10 Chang'an
  • Improvement of Cockpit Interaction by Changan Xinghai Large Model
  • Changan Integrates AI into SOA Architecture Layer
  • Chang'an's Planning of "Digital Intelligence" Cockpit
  • Changan Realizes Automatic Switching of Cockpit Scenarios and Functions
  • AI Application Case
  • 4.11 Great Wall
  • Cockpit Application of Great Wall Large Model
  • 4.12 Chery
  • Chery LION AI base
  • EXEED STERRA ET is Equipped with Lion AI Large Model
  • 4.13 Geely
  • Geely Xingrui AI Large Model
  • Geely Xingrui AI Large Model Access DeepSeek
  • Smart Cockpit Solution
  • Flyme Auto Voice Interaction Capability
  • ZEEKR Smart Cockpit Solution: ZEEKR AI OS
  • Two Forms of Large Model Cockpit Application
  • Large Model Installation Situation
  • Large Model Installation Situation: Geely Galaxy E8
  • Large Model Installation Situation: ZEEKR 7X
  • ZEEKR Cockpit Agent Scenario: Life Service
  • ZEEKR Cockpit Agent Scenario: Multimodal Perception
  • 4.14 Jianghuai
  • 4 Applications of Jianghuai AI Cockpit
  • Jianghuai AI Large Model Installation Case
  • 4.15 BMW
  • BMW Intelligent Voice Assistant 2.0 based on LLM
  • 4.16 Mercedes Benz
  • MB. OS Digital World - Personalized Services with MBUX Virtual Assistant
  • Cockpit Large Model Cooperation Dynamics
  • 4.17 VW
  • Upgrade Dynamics of Voice Interaction System
  • Volkswagen and Baidu Cooperate on Voice Model

5 Trends and Technical Resources of AI Applications in Cockpits

  • 5.1 Trends of AI Applications in Cockpits
  • Trend 1:
  • Trend 2: From Large Models to Agents
  • Trend 3:
  • Trend 4:
  • Trend 5:
  • Trend 6:
  • Trend 7:
  • 5.2 Resource Calculation for AI Technology Implementation in Cockpits
  • Resource calculation
  • Advantages and disadvantages of different Cockpit AI algorithms
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