Acta Physica Sinica, Volume. 68, Issue 11, 114202-1(2019)
Fig. 2. Encrypted image: (a) Section image 1,
Fig. 3. Annular pupil and the intensity response curves of different
Fig. 4. Encryption results: (a) Encrypted cosine-hologram; (b) encrypted sine-hologram.加密结果 (a) 余弦加密全息图; (b) 正弦加密全息图
Fig. 5. Gray histogram: (a) Gray histogram of encrypted cosine-hologram; (b) gray histogram of encrypted sine-hologram.灰度直方图 (a) 余弦加密全息图的灰度直方图; (b) 正弦加密全息图的灰度直方图
Fig. 6. Decryption results of different sections: (a) Section 1; (b) section 2; (c) section 3.不同切片的解密结果 (a) 切片1; (b) 切片2; (c) 切片3
Fig. 7. Incorrect decryption results: (a) The
Fig. 8. Decryption result of single-encrypted hologram: (a) Decryption result of encrypted sine-hologram; (b) decryption result of encrypted cosine-hologram.单幅加密全息图的解密结果 (a) 正弦加密全息图的解密结果; (b) 余弦加密全息图的解密结果
Fig. 9. Simulation results of anti-shear performance: (a) and (b) The sine- and cosine-holograms with 25% occlusion; (c) decryption result with 25% occlusion; (d) and (e) the sine- and cosine-holograms with 50% occlusion; (f) decryption result with 50% occlusion; (g) and (h) the sine- and cosine-holograms with 75% occlusion; (i) decryption result with 75% occlusion.抗剪裁性能模拟结果 (a) 和 (b) 信息丢失25%的正余弦加密图像; (c) 信息丢失25%后的解密结果; (d) 和 (e) 信息丢失50%的正余弦加密图像; (f) 信息丢失50%后的解密结果; (g) 和 (h) 信息丢失75%的正余弦加密图像; (i) 信息丢失75%后的解密结果.
Fig. 10. Simulation results of anti-noise performance: (a), (b) and (c) Gaussian noise with variance of 0.02, 0.05 and 0.08; (d), (e) and (f) salt and pepper noise with variance of 0.02, 0.05 and 0.08.抗噪声性能模拟结果 (a), (b) 和 (c) 方差为0.02, 0.05和0.08的高斯噪声; (d), (e) 和 (f) 方差为0.02, 0.05和0.08的椒盐噪声
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Ren-De Wang, Ya-Ping Zhang, Xu-Feng Zhu, Fan Wang, Chong-Guang Li, Yong-An Zhang, Wei Xu.
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Received: Jan. 28, 2019
Accepted: --
Published Online: Oct. 30, 2019
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