초록 ▼

A color mapping process enhances a watermark by computing a change in colors that is less visible for a given watermark strength. The mapping process provides smooth transitions from one color region to another, and may be implemented efficiently with a 3D look up table. A user interface scheme enab

A color mapping process enhances a watermark by computing a change in colors that is less visible for a given watermark strength. The mapping process provides smooth transitions from one color region to another, and may be implemented efficiently with a 3D look up table. A user interface scheme enables the user to control encoding of the watermark in desired color regions.

대표청구항 ▼

A color mapping process enhances a watermark by computing a change in colors that is less visible for a given watermark strength. The mapping process provides smooth transitions from one color region to another, and may be implemented efficiently with a 3D look up table. A user interface scheme enab

A color mapping process enhances a watermark by computing a change in colors that is less visible for a given watermark strength. The mapping process provides smooth transitions from one color region to another, and may be implemented efficiently with a 3D look up table. A user interface scheme enables the user to control encoding of the watermark in desired color regions. onnected to said external and internal dual adjustable oscillatory frequency regulating circuit. 5. The invention of claim 1 wherein said signal processing circuit comprises a 3-dimensional signal multi-regulating circuit through which +/-19 KHz pilot signals can be regulated into any frequency such as +/-32 KHz, to +/-40 KHz, +/-62 KHz etc., and transmit to said external and internal dual adjustable oscillatory frequency circuit. 6. The invention of claim 1 wherein said external and internal dual adjustable oscillatory frequency regulating circuit comprises an oscillatory transistor, a dielectric resonator, a first variable capacitor and a second variable capacitor diode, having an input terminal connected to the output terminal of said signal processing circuit, and an output terminal connected to the receiving antenna, providing approximately 27 MHz to 2.4 GHz transmitting frequency signal. 7. The invention of claim 6 wherein said external and internal dual adjustable oscillatory frequency circuit comprises said first variable capacitor which is internally fixable by adding a quartz or SAW. 8. The invention of claim 6 wherein said in external and internal dual adjustable frequency regulating circuit the first variable capacitor is internally adjustable. 9. The invention of claim 6 wherein said second variable capacitor diode via frequency controller VR1 is externally adjustable. 10. The invention of claim 9 wherein said second variable capacitor diode of said external and internal dual adjustable oscillatory frequency regulating circuit can be altered into an infrared or wireless digital remote control system to adjust channel or frequency. 11. The invention of claim 1 wherein said second variable capacitor diode is a frequency controller VR1. 12. The invention of claim 6 wherein said external and internal dual adjustable oscillatory frequency regulating circuit's transmitting frequency can be read by a digital display to show the channel position. 13. The invention of claim 6 wherein said external and internal dual adjustable oscillatory frequency regulating circuit can be (a) variable resistors, (b) variable capacitor, (c) variable electrical sensor or a combination of (a)(a), (b)(b), (c)(c), (a)(b), (b)(c), (a)(c) coupled with a fixed electric resistor, electric capacitor, inductor, dielectric resonator, and transistor to make a transmitting oscillator. 14. The invention of claim 1 wherein said inductance antenna connected to the output terminal of said external and internal dual adjustable oscillatory frequency regulating circuit is a matching device. 15. The invention of claim 14 wherein said inductance antenna provides stable and non-floating wireless audio signals to the receiver unit. 16. The invention of claim 1 wherein said power control circuit is controlled by the output signal of said audio equipment to provide the necessary working voltage to said concealed transmitter unit. 17. The invention of claim 16 wherein said power control circuit comprises a signal amplifier, a comparator and a transistor switch said signal amplifier receiving an input signal from said audio equipment to drive said comparator and transistor switch permitting an external power supply or battery supply to be connected to said concealed transmitter unit. 18. The invention of claim 16 wherein said power control circuit has both automatic and manual control. 19. The invention of claim 1 wherein said concealed transmitter unit is capable of processing audio signal input into stereo sound effect and has at least one additional sound mixer system to be used as a microphone and transmitting mixing sound effect. 20. The invention of claim 1 wherein said transmitter unit is equipped with special noise blocking system for general usage as an independent transmitter directly connected to TV, CD player, automobile audio system or center speaker without noise or radiator interference. 21. The invention of claim 1 wherein said concealed transmitter u