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Regarding security concerns in image storage and transmission, particularly for medical images, we propose a selective encryption method for quantum color images EQIRHSI, which is built on quantum LoG edge detection and quantum morphological processing. Leveraging HSI color space’s visual perception characteristics, the algorithm first extracts regions of interest (ROI) via quantum LoG edge detection, then refines ROI boundaries through quantum dilation and erosion. Subsequently, the color information of the ROI is encrypted using a double random phase encryption technique, while the intensity information of the ROI is encrypted by combining quantum walks, 2D-SCLMS chaotic system, XOR, and XNOR operations. Finally, quantum circuits are designed and simulation experiments are implemented, demonstrating that this method can efficiently encrypt and transmit the ROI of the image while ensuring image security. After decryption, the location and information of the ROIs are accurately restored, demonstrating high security and practicality.

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Quantum Color Image Selective Encryption in HSI Color Space

  • 会议论文

  • 发表日期：

    2026年

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  • Xianhua Song,
  • Mengmeng Li,
  • Fuzhou Wang

摘要

Regarding security concerns in image storage and transmission, particularly for medical images, we propose a selective encryption method for quantum color images EQIRHSI, which is built on quantum LoG edge detection and quantum morphological processing. Leveraging HSI color space’s visual perception characteristics, the algorithm first extracts regions of interest (ROI) via quantum LoG edge detection, then refines ROI boundaries through quantum dilation and erosion. Subsequently, the color information of the ROI is encrypted using a double random phase encryption technique, while the intensity information of the ROI is encrypted by combining quantum walks, 2D-SCLMS chaotic system, XOR, and XNOR operations. Finally, quantum circuits are designed and simulation experiments are implemented, demonstrating that this method can efficiently encrypt and transmit the ROI of the image while ensuring image security. After decryption, the location and information of the ROIs are accurately restored, demonstrating high security and practicality.