Download e-book for kindle: A Binary Images Watermarking Algorithm Based on Adaptable by Zhang Fan, Zhang Junliang

By Zhang Fan, Zhang Junliang

A watermarking set of rules of binary pictures utilizing adaptable matrix is gifted. An adaptable matrix is designed to guage the smoothness and the connectivity of binary photographs. The watermark is embedded in accordance with the adaptable matrix during this set of rules. within the proposed watermarking set of rules, every one snapshot block implements a XOR operation with the binary adaptable matrix, which has a similar measurement with the picture block, and so as to embed the watermark facts, a multiplication operation also are carried out with the load matrix. The experimental effects convey that proposed scheme has an excellent functionality.

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N The system must include controls that allow the system to operate in one mode for at least four hours before changing to the other mode. n Reset controls must be provided to allow heating and cooling supply-water temperatures, at the changeover point, to be no more than 30°F (17°C) apart. 2°C), the system operates in the heating mode. The setpoint for the water leaving the boiler is reset based on the outdoor dry-bulb temperature. 2°C) or below, the boiler setpoint is 140°F (60°C). 1°C). 2°C) outdoor temperature due to the 15°F (8°C) deadband.

In the case of a power loss, a normallyclosed actuator contains a spring, a battery, or a capacitor that forces the outdoor-air damper closed. If the control system fails when the temperature of the outdoor air is below 32°F (0°C), this normally-closed damper actuator will help protect downstream water coils from freezing. A second example is to use a normally-opened valve actuator with a hot-water preheat coil in an air handler. If the valve controller or actuator fails, the normally-open actuator forces the valve to the fully-open position.

The example discussed was the impact of a broken condenser fan motor on the operation of an aircooled water chiller. One of the actions taken by the unit-level controller was to initiate an alarm to inform the operator of the problem. The communications capability of microprocessor-based controls makes them well-suited for automatically reporting problems when they occur in the system. While this example alarm message originates at the chiller unit controller, it can also be transmitted by the building automation system to the centralized PC, where the building operator can be alerted.

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A Binary Images Watermarking Algorithm Based on Adaptable Matrix by Zhang Fan, Zhang Junliang

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