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Aztech Systems (Hong Kong) Ltd

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AI Engineer

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Description

Responsibilities

  • Develop and optimise computer vision algorithms for video analytics applications.
  • Work on object detection, classification, segmentation, object tracking, and event detection.
  • Develop multi-frame video analysis logic using tracking, trajectory, direction, speed, ROI, and temporal information.
  • Support applications such as intrusion detection, loitering detection, PPE detection, falling object detection, people counting, vehicle monitoring, and other abnormal event detection.
  • Train, fine-tune, test, and evaluate computer vision models using real project datasets.
  • Analyse false positives and false negatives and improve model accuracy through model tuning, data improvement, tracking, or post-processing.
  • Develop reusable computer vision modules for detection, tracking, event analysis, and alarm triggering.
  • Work closely with software and deployment engineers to integrate algorithms into production systems.

    Preferred Skills

  • Familiarity with ONNX or TensorRT.
  • Experience with VLM-based visual analysis or verification is an advantage.
  • Experience with CCTV, security, smart city, industrial vision, factory automation, or traffic analytics applications.
  • Experience with optical flow, background subtraction, segmentation, or pose estimation.
  • Experience with ByteTrack, DeepSORT,
    BoT-SORT, ReID

    , or other tracking algorithms.

    Requirements
  • Good understanding of image processing and multi-frame video analysis.Hands-on experience with OpenCV and PyTorch or similar deep learning frameworks.
  • Knowledge of object tracking and video analytics.
  • Experience in training, testing, or improving computer vision models.
  • Experience with object detection models such as YOLO, RT-DETR, Faster R-CNN, or equivalent.
  • Good programming skills in Python.
  • Bachelor's Degree in Computer Science, Computer Engineering, Electrical/Electronic Engineering, AI, or related field.
  • Able to write clean, modular, and maintainable code.

Skills

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