9. Don’t worry about the test: it’s nothing but a measure of how you’re getting on. a. estimate b. rating c. yardstick d. criterion 10. Left to their own devices, some of the young children began to cry for mama. a. Left unnoticed b. Left alone c. L
A new method to protect the copyright of digital museum based on digital holography is proposed. The Fresnel hologram of watermark image is embedded in the object to be protected through discrete wavelet transform (DWT). After the watermark detection