Image processing system converting the pixel aspect ratio
AssigneeCanon Kabushiki Kaisha
InventorsMasafumi Wataya, Toshiyuki Yanaka, Yushi Kaneko, Yasutomo Suzuki
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Abstract
An image processing system having an input/output unit for inputting or outputting a video signal, and a scanner for reading an original image or a printer for printing the video signal, in which the aspect ratio of the image is converted at the input or output of the video signal between the input/output unit and the scanner or the printer.
Claims31
An image processing apparatus for outputting an image signal to an image output apparatus, the image output apparatus corresponding to a first pixel aspect ratio, said image processing apparatus comprising:
- input means having the capability of inputting a plurality of kinds of image signals whose pixel aspect ratios are different from each other, the pixel aspect ratios of the plurality of kinds of image signals being different from the first pixel aspect ratio;
- and
- conversion means for converting an input image signal input by said input means into a first image signal comprising the first pixel aspect ratio so that an aspect ratio of a picture represented by the input image signal is not changed at said image output apparatus, said conversion means having a plurality of conversion modes which correspond to the plurality of kinds of image signals.
An image processing apparatus for outputting to an image apparatus, the image output apparatus corresponding to a first pixel aspect ratio, said apparatus comprising:
- input means having the capability of inputting a plurality of kinds of image signals whose pixel aspect ratios are different from each other, the pixel aspect ratios of the plurality of kinds of image signals being different from the first pixel aspect ratio;
- printing means for printing the image on the basis of the input image signal input by said input means;
- and
- control means for controlling a printing speed of said printing means, said control means controlling the printing speed so that an aspect ratio of a picture represented by the input image signal is not changed in the image output by said printing means, said control means having a plurality of control modes which correspond to the plurality of kinds of image signals.
An image processing apparatus for outputting an image signal to a plurality of image output apparatuses, said plurality of image output apparatuses corresponding to different pixel aspect ratios, respectively, said image processing apparatus comprising:
- scanner means for forming an input image signal by reading an original image;
- and
- conversion means for converting the input image signal to an image signal of the pixel aspect ratio corresponding to the image output apparatus which outputs the image signal;
- and
- said conversion means including control means for controlling a reading speed of said scanner means to convert the pixel aspect ratio of the input image signal,
- said control means controlling the reading speed so that an aspect ratio of a picture represented by the input image signal is not changed at the image output apparatus,
- said conversion means having a plurality of conversion modes which correspond to said plurality of image output apparatuses.
An image processing method of outputting an image signal to an image output apparatus, the image output apparatus corresponding to a first pixel aspect ratio, said image processing method comprising the steps of:
- an input step having the capability of inputting a plurality of kinds of image signals whose pixel aspect ratios are different from each other, the pixel aspect ratios of the plurality of kinds of image signals being different from the first pixel aspect ratio;
- and
- a conversion step of converting the input image signal input in said input step into a first image signal comprising the first pixel aspect ratio so that an aspect ratio of a picture represented by the input image signal is not changed at said image output apparatus, said conversion step having a plurality of conversion modes which correspond to said plurality of kinds of image signals.
An image output processing method of outputting to an image output apparatus, the image output apparatus corresponding to a first pixel aspect ratio, said method comprising the steps of:
- an input step of having the capability of inputting a plurality of kinds of image signals whose pixel aspect ratios are different from each other, the pixel aspect ratios of the plurality of kinds of image signals being different from the first pixel aspect ratio;
- a printing step of printing the image on the basis of the input image signal input by said input step;
- and
- a control step of controlling a printing speed of said printing step, said control step including a step of controlling the printing speed so that an aspect ratio of a picture represented by the input image signal is not changed in the image output by said printing step, said control step having a Plurality of control modes which correspond to said plurality of kinds of image signals.
An image processing method of outputting an image signal to a plurality of image output apparatuses, said plurality of image output apparatuses corresponding to different pixel aspect ratios, respectively, said image processing method comprising the steps of:
- a forming step of forming an input image signal by reading an original image;
- and
- a conversion step of converting the input image signal to an image signal of the pixel aspect ratio corresponding to the image output apparatus which outputs the input image signal,
- said conversion step including a control step of controlling a reading speed of said forming step to convert the pixel aspect ratio of the input image signal,
- said control step including the step of controlling the reading speed so that an aspect ratio of a picture represented by the input image signal is not changed at the image output apparatus,
- said conversion step having a plurality of conversion modes which correspond to said plurality of image output apparatuses.
An image processing apparatus for outputting an image signal to a plurality of image output apparatuses, said plurality of image output apparatuses corresponding to different pixel aspect ratios, respectively, said image processing apparatus comprising:
- input means for inputting an image signal;
- and
- conversion means for converting the input image signal into an image signal of the pixel aspect ratio corresponding to the image output apparatus which outputs be input image signal,
- said conversion means converting the input image signal so that an aspect ratio of a picture represented by the input image signal is not changed at said image output apparatus, and
- said conversion means having a plurality of conversion modes which correspond to said plurality of output apparatuses.
An image processing method of outputting an image signal to a plurality of image output apparatuses, said plurality of image output apparatuses corresponding to different pixel aspect ratios, respectively, said image processing method comprising the steps of:
- an input step of inputting an image signal;
- and
- a conversion step of converting the input image signal into an image signal of the pixel aspect ratio corresponding to the image output apparatus which outputs the input image signal,
- said conversion step including a step of converting the input image signal so that an aspect ratio of a picture represented by the input image signal is not changed at said image output apparatus, and
- said conversion step having a plurality of conversion modes which correspond to said plurality of image output apparatuses.
Dependencies are inferred from the claim text.