Core Viewpoint - The article emphasizes the increasing investment in automated labeling by autonomous driving companies, highlighting the challenges and requirements for end-to-end automated labeling in the context of intelligent driving [1][2]. Group 1: Challenges in Automated Labeling - The main challenges in 4D automated labeling include high spatial-temporal consistency requirements, complex multi-modal data fusion, difficulties in generalizing dynamic scenes, contradictions between labeling efficiency and cost, and high requirements for scene generalization in mass production [2][3]. Group 2: Course Overview - The course offers a comprehensive tutorial on the entire process of 4D automated labeling, covering dynamic obstacle detection, SLAM reconstruction, static element labeling, and end-to-end truth generation [3][4][6]. - It includes practical exercises to enhance algorithm capabilities and addresses real-world engineering challenges [2][3]. Group 3: Detailed Course Structure - Chapter 1 introduces the basics of 4D automated labeling, its applications, and the necessary data and algorithms [4]. - Chapter 2 focuses on the process of dynamic obstacle labeling, including offline 3D target detection algorithms and solutions to common engineering issues [6]. - Chapter 3 discusses laser and visual SLAM reconstruction, explaining its importance and common algorithms [7]. - Chapter 4 addresses static element labeling based on reconstruction outputs [9]. - Chapter 5 covers the general obstacle OCC labeling, detailing the input-output requirements and optimization techniques [10]. - Chapter 6 is dedicated to end-to-end truth generation, integrating various elements into a cohesive process [12]. - Chapter 7 provides insights into data scaling laws, industry pain points, and interview preparation for relevant positions [14]. Group 4: Target Audience and Prerequisites - The course is suitable for researchers, students, and professionals looking to transition into the data closure field, requiring a foundational understanding of deep learning and autonomous driving perception algorithms [19][23].

Core Viewpoint - The article emphasizes the increasing investment in automatic labeling by autonomous driving companies, highlighting the challenges and complexities involved in 4D automatic labeling, which integrates 3D spatial data with temporal dimensions [1][2]. Group 1: Challenges in Automatic Labeling - The main difficulties in 4D automatic labeling include high requirements for temporal consistency, complex multi-modal data fusion, challenges in generalizing dynamic scenes, conflicts between labeling efficiency and cost, and high demands for scene generalization in mass production [2][3]. Group 2: Course Overview - The course offers a comprehensive tutorial on the entire process of 4D automatic labeling, covering core algorithms and practical applications, aimed at enhancing algorithmic capabilities through real-world examples [2][3][4]. - Key topics include dynamic obstacle detection, SLAM reconstruction principles, static element labeling based on reconstruction graphs, and the mainstream paradigms of end-to-end labeling [3][4][5][6]. Group 3: Detailed Course Structure - Chapter 1 introduces the basics of 4D automatic labeling, its applications, required data, and algorithms involved, focusing on system time-space synchronization and sensor calibration [4]. - Chapter 2 delves into the process of dynamic obstacle labeling, covering offline 3D target detection algorithms and practical solutions to common engineering challenges [6]. - Chapter 3 focuses on laser and visual SLAM reconstruction, discussing its importance and the basic modules of reconstruction algorithms [7]. - Chapter 4 addresses the automation of static element labeling, emphasizing the need for accurate detection and tracking [9]. - Chapter 5 centers on the OCC labeling of general obstacles, detailing the input-output requirements and the processes for generating ground truth [10]. - Chapter 6 is dedicated to end-to-end ground truth generation, integrating various elements into a cohesive process [12]. - Chapter 7 discusses the data closed-loop topic, sharing insights on industry pain points and interview preparation for relevant positions [14]. Group 4: Target Audience and Course Benefits - The course is designed for researchers, students, and professionals looking to deepen their understanding of 4D automatic labeling and enhance their algorithm development capabilities [19][23]. - Participants will gain practical skills in 4D automatic labeling, including knowledge of cutting-edge algorithms and the ability to solve real-world problems [19].

Core Viewpoint - The article emphasizes the importance of 4D automatic annotation in the autonomous driving industry, highlighting the shift from traditional 2D static element annotation to more efficient 3D scene reconstruction methods [2][3][4]. Group 1: Traditional 2D Annotation Deficiencies - Traditional 2D static element annotation is time-consuming and labor-intensive, requiring repeated work for each timestamp [2]. - The need for 3D scene reconstruction allows for static elements to be annotated only once, significantly improving efficiency [2][3]. Group 2: 4D Automatic Annotation Process - The process of 4D automatic annotation involves several steps, including converting 3D scenes to BEV views and training cloud-based models for automatic annotation [6]. - The cloud-based pipeline is distinct from the vehicle-end model, focusing on high-quality automated annotation that can be used for vehicle model training [6]. Group 3: Challenges in Automatic Annotation - Key challenges in 4D automatic annotation include high temporal consistency requirements, complex multi-modal data fusion, and the difficulty of generalizing dynamic scenes [7]. - The industry faces issues with annotation efficiency and cost, as high-precision 4D automatic annotation often requires manual verification, leading to long cycles and high costs [7]. Group 4: Course Offerings and Learning Opportunities - The article promotes a course on 4D automatic annotation, covering dynamic and static elements, OCC, and end-to-end automation processes [8][9]. - The course aims to provide a comprehensive understanding of the algorithms and practical applications in the field of autonomous driving [8][9]. Group 5: Course Structure and Target Audience - The course is structured into multiple chapters, each focusing on different aspects of 4D automatic annotation, including dynamic obstacle marking, SLAM reconstruction, and end-to-end truth generation [9][11][12][16]. - It is designed for a diverse audience, including researchers, students, and professionals looking to transition into the data loop field [22][24].

Core Viewpoint - The article emphasizes the importance of efficient 4D data automatic annotation in the development of intelligent driving algorithms, highlighting the challenges and solutions in achieving high-quality annotations for dynamic and static elements in autonomous driving systems [2][6]. Summary by Sections 4D Data Annotation Process - The article outlines the complexity of automatic annotation for dynamic obstacles, which involves multiple modules and requires high-quality data processing to enhance 3D detection performance [2][4]. - It discusses the need for offline single-frame 3D detection results to be linked through tracking, addressing issues such as sensor occlusion and post-processing optimization [4]. Challenges in Automatic Annotation - High spatiotemporal consistency is crucial, necessitating precise tracking of dynamic targets across frames to avoid annotation breaks due to occlusions or interactions [6]. - The complexity of multi-modal data fusion is highlighted, requiring synchronization of data from various sensors like LiDAR and cameras, along with addressing coordinate alignment and semantic unification [6]. - The difficulty in generalizing dynamic scenes is noted, as unpredictable behaviors of traffic participants and environmental factors pose significant challenges to annotation models [6]. - The article points out the contradiction between annotation efficiency and cost, where high-precision 4D automatic annotation relies on manual verification, leading to long cycles and high costs [6]. Educational Course on 4D Annotation - The article promotes a course designed to address the challenges of entering the field of 4D automatic annotation, covering the entire process and core algorithms [7][8]. - The course aims to provide practical training on dynamic obstacle detection, SLAM reconstruction, static element annotation, and end-to-end truth generation [10][11][13][15]. - It emphasizes the importance of real-world applications and hands-on practice to enhance algorithm capabilities [7][22]. Course Structure and Target Audience - The course is structured into several chapters, each focusing on different aspects of 4D automatic annotation, including foundational knowledge, dynamic obstacle marking, and data closure topics [8][10][12][16]. - It is targeted at individuals with a background in deep learning and autonomous driving perception algorithms, including students, researchers, and professionals looking to transition into the field [21][23].