1. A method of processing received analog video signals comprising:
analog to digital converting the analog video signals into digital video signals;
variably interpolating the digital video signals to regulate the frequency of the digital video signals prior to complex multiplying frequency regulated digital signals resulting from the variably interpolating;
complex multiplying the frequency regulated digital signals within a carrier recovery loop that coexists with a symbol recovery loop to provide further refined frequency regulated digital signals having a zero carrier frequency; and
baseband adaptive equalizing the further refined frequency regulated digital signals to select an individual one of a plurality of amplitude levels representative of video information.
2. The method of claim 1, further comprising:
operating upon signals resulting from the baseband adaptive equalizing to produce error signals for feedback operating upon the complex multiplying.
3. The method of claim 1, further comprising:
feedback operating upon the variable interpolating in response to the baseband adaptive equalizing to regulate sampling of the digital video signals to be in a middle of a period that each of the digital video signals is produced by the analog to digital converting.
4. The method of claim 1, wherein the digital video signals are both in-phase digital signals and quadrature digital signals.
5. An apparatus for processing received analog video signals, comprising:
an analog to digital converter which converts the analog video signals into digital video signals;
a variable interpolator responsive to the digital video signals to regulate the frequency of the digital video signals prior to complex multiplying frequency regulated digital signals resulting from the variable interpolator;
a complex multiplier responsive to the frequency regulated digital signals within a carrier recovery loop that coexists with a symbol recovery loop to provide further refined frequency regulated digital signals having a zero carrier frequency; and
a baseband adaptive equalizer responsive to the further refined frequency regulated digital signals to select an individual one of a plurality of amplitude levels representative of video information.
6. The apparatus of claim 5, further comprising:
a carrier recovery loop coupled between the baseband adaptive equalizer and the complex multiplier, the carrier recovery loop being responsive to signals from the baseband adaptive equalizer to produce error signals for feedback to the complex multiplier.
7. The apparatus of claim 5, further comprising:
a symbol recovery loop coupled between the baseband adaptive equalizer and the variable interpolator, the symbol recovery loop being responsive to signals from the baseband adaptive equalizer to produce error signals for feedback to the variable interpolator to regulate sampling of the digital video signals to be in a middle of a period that each of the digital video signals is produced by the analog to digital converter.
8. The apparatus of claim 5, wherein the digital video signals are both in-phase digital signals and quadrature digital signals. \u2014
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An image processing apparatus that performs image processing for input image data to output an image, the apparatus comprising: a specific image information adding portion that adds specific image information to control unauthorized copying of the image, said specific image information representing a specific image to the image data when the image processing is performed for the image data;
a specific image information setting portion that sets a color and number of the specific image information; and
a plurality of image data input paths that input the image data subjected to the image processing, wherein the specific image information setting portion sets the color and number of the specific image information in advance for each of the plurality of the image data input paths.
2. The image processing apparatus as defined in claim 1, wherein the specific image information setting portion includes an additional property selecting portion that allows a user to select a color and number of the specific image information.
3. The image processing apparatus as defined in claim 1, wherein the specific image information setting portion varies and sets a size of the specific image information depending on the setting of the color and number of the specific image information.
4. The image processing apparatus as defined in claim 1, wherein the specific image information setting portion includes a position selecting portion that allows a user to select a position to which the specific image information is added.
5. The image processing apparatus as defined in claim 1, wherein the specific image information adding portion adds a plurality of sets of the specific image information and wherein the plurality of sets of the specific image information is information including each set of the specific image information located at predetermined intervals.