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An apparatus and method for enhancing an image of penetrating radiation scattered by objects concealed within a container. An image derived from penetrating radiation transmitted through the container is combined with a scatter image in regard to which it is accurately registered in such a manner as

An apparatus and method for enhancing an image of penetrating radiation scattered by objects concealed within a container. An image derived from penetrating radiation transmitted through the container is combined with a scatter image in regard to which it is accurately registered in such a manner as to provide enhanced visibility and photorealism of the combined image.

대표청구항 ▼

An apparatus and method for enhancing an image of penetrating radiation scattered by objects concealed within a container. An image derived from penetrating radiation transmitted through the container is combined with a scatter image in regard to which it is accurately registered in such a manner as

An apparatus and method for enhancing an image of penetrating radiation scattered by objects concealed within a container. An image derived from penetrating radiation transmitted through the container is combined with a scatter image in regard to which it is accurately registered in such a manner as to provide enhanced visibility and photorealism of the combined image. ver a prescribed range that corresponds to a length of said first spreading code when receiving said control signal from said control unit; a first de-spreading unit communicating with said first spreading code generating unit and multiplying said first spreading code generated by said first spreading code generating unit with input data and outputting first demodulated data; a second spreading code generating unit communicating with said phase control unit and said control unit and generating a second spreading code by sliding a phase of said second spreading code from said second starting phase over a prescribed range when receiving said second starting phase from said phase control unit, and generating said second spreading code by sliding said phase of said second spreading code over a prescribed range that corresponds to a length of said second spreading code when receiving said control signal from said control unit; a second de-spreading unit communicating with said second spreading code generating unit and multiplying said second spreading code generated by said second spreading code generating unit with input data and outputting second demodulated data; a correlation generating unit communicating with said first and second de-spreading units and outputting a correlation value between said input data and said first and second spreading codes based on said first demodulated data and said second demodulated data; a first memory receiving a phase of a selected spreading code that generates a peak of said correlation value based on said correlation value from said first de-spreading unit and storing said correlation value and said phase of said selected spreading code; and wherein said control unit receives said correlation value stored in said first memory, determines whether a synchronization acquiring operation is complete based on said correlation value, sends said phase stored in said first memory to a second memory installed inside a synchronization tracking apparatus when said synchronization acquiring operation is complete, sends a reset signal for repeating said synchronization acquiring operation to said first de-spreading unit and said second de-spreading unit when said synchronization acquiring operation is not complete, and reads at least two of said phases stored in said second memory of said synchronization tracking apparatus to output said phases and a phase difference between said phases when said mobile station transits from a sleep state to an active state, and wherein said phase control unit uses said phases and said phase difference output from said control unit to output said first starting phase and said second starting phase. 5. A synchronization acquiring apparatus of claim 4, wherein said correlation generating unit comprises: a first accumulating unit communicating with the first de-spreading unit and outputting a cumulative value of said first demodulated data as first cumulative data; a second accumulating unit communicating with the second de-spreading unit and outputting a cumulative value of said second demodulated data as second cumulative data; an adder receiving said first cumulative data and said second cumulative data and outputting a sum thereof; and an amplitude calculating unit communicating with said adder and calculating an amplitude of said sum and outputting said amplitude as said correlation value. 6. A synchronization acquiring apparatus of claim 4, wherein said correlation generating unit comprises: an adder communicating with said first and said second de-spreading units and calculating a sum of said first demodulated data and said second demodulated data; an accumulating unit accumulating said sum calculated by said adder to produce a cumulative sum and outputting said cumulative sum as cumulative data; and an amplitude calculating unit communicating with said accumulating unit, calculating an amplitude of said cumulative data and outputting said amplitu