Image processing apparatus

Claim 2

An image processing apparatus comprising: image data forming means for forming density data corresponding to each of a plurality of color components including an achromatic color and color data for discrim­inating a chromatic color portion from an achromatic color portion of an image, the density data and the color data being formed in units of pixels on the basis of original image information; density data selecting means for selecting one of a plurality of density data output from said image data forming means; and image data resetting means for resetting the color data and the density data selected by said density data selecting means when the color data of a plurality of successive pixels represents a specific pattern.

Claim 3

An image processing apparatus comprising: image input means for inputting blue, green, and red components of original image data as parallel data; image data forming means for forming yellow, magenta, cyan, and black density data, and color data for designating one of a chromatic color portion, an achromatic color portion, and a background portion, the density data and the color data being formed in units of pixels by using the color components of the original image data as an address signal; density data selecting means for selecting and outputting one of the density data corresponding to the plurality of colors in accordance with an external color designation signal; means for detecting whether the color data of a plurality of successive pixels represents a specific pattern; density data resetting means for resetting the density data selected by said density data selecting means by using a detection result of said detecting means and the color designation signal; and means for recording an image with a color designat­ed by the color designation signal on the basis of the density data output from said density data resetting means.

Claim 4

An image processing apparatus comprising: image input means for inputting blue, green, and red components of original image data as parallel data; image data forming means for forming yellow, magenta, cyan, and black density data, and color data for designating one of a chromatic color portion, an achromatic color portion, and a background portion, the density data and the color data being formed in units of pixels by using the color components of the original image data as an address signal; density data selecting means for selecting and outputting one of the density data corresponding to the plurality of colors in accordance with an external color designation signal; means for detecting whether the color data of a plurality of successive pixels represents a specific pattern; density data resetting means for resetting the density data selected by said density data selecting means by using a detection result of said detecting means and the color designation signal; and means for recording an image with a color designat­ed by the color designation signal on the basis of the density data output from said density data resetting means.

Claim 5

An image processing apparatus comprising: image input means for inputting blue, green, and red components of original image data as parallel data; image data forming means for forming yellow, magenta, cyan, and black density data, and color data for designating one of a chromatic color portion, an achromatic color portion, and a background portion, the density data and the color data being formed in units of pixels by using the color components of the original image data as an address signal; density data selecting means for selecting and outputting one of the density data corresponding to the plurality of colors in accordance with an external color designation signal; color data converting means for converting the color data of one of a plurality of successive pixels into achromatic color data when the color data of the plurality of successive pixels represents a specific pattern; density data output control means, responsive to the color data converted by said color data converting means and the color designation signal, for controlling an output of the density data selected by said density data selecting means; and means for recording an image with a color corre­sponding to the color designation signal on the basis of the density data output from said density data output means.

Claim 6

An image processing apparatus comprising: image input means for inputting blue, green, and red components of original image data as parallel data; image data forming means for forming yellow, magenta, cyan, and black density data, and color data for designating one of a chromatic color portion, an achromatic color portion, and a background portion, the density data and the color data being formed in units of pixels by using the color components of the original image data as an address signal; density data selecting means for selecting and outputting one of the density data corresponding to the plurality of colors in accordance with an external color designation signal; color data converting means for converting the color data of one of a plurality of successive pixels into achromatic color data when the color data of the plurality of successive pixels represents a specific pattern; density data output control means, responsive to the color data converted by said color data converting means and the color designation signal, for controlling an output of the density data selected by said density data selecting means; and means for recording an image with a color corre­sponding to the color designation signal on the basis of the density data output from said density data output means.

Claim 7

An apparatus according to claim 2, wherein the original image data is obtained by color-separating an optical image from a document and focusing color separation components on corresponding photoelectric transducer elements.

Claim 8

An image processing apparatus comprising: original image data forming means for col­or-separating an optical image from a document and focusing color separation components on different photoelectric transducer elements to form blue, green, and red component original image data as parallel data; image data forming means for forming yellow, magenta, cyan, and black density data, and color data for designating one of a chromatic color portion, an achromatic color portion, and a background portion, the density data and the color data being formed in units of pixels by using the color components of the original image data as an address signal; density data selecting means for selecting and outputting one of the density data corresponding to the plurality of colors in accordance with an external color designation signal; color data converting means for forming the color data of a plurality of successive pixels as an address signal to produce new color data as an output signal, and for converting the color data of one of the plurality of successive pixels when the color data of the plurality of pixels represents a specific pattern; density data output control means, responsive to the color data converted by said data converting means and the color designation signal, for controlling an output of the density data selected by said density data selecting means; recording means for forming a latent image on an image carrier on the basis of the density data output from said density data output control means and recording an image by developing the latent image with a toner having a color corresponding to the color designation signal; and operation control means for causing said original image data forming means, said image data forming means, said density data selecting means, said color data convert­ing means, said density data output control means, and said recording means to continuously operate upon sequential switching of the color designation signal and for forming a multicolor toner image on said image carrier in said recording means.

Claim 9

An image processing apparatus comprising: original image data forming means for col­or-separating an optical image from a document and focusing color separation components on different photoelectric transducer elements to form blue, green, and red component original image data as parallel data; image data forming means for forming yellow, magenta, cyan, and black density data, and color data for designating one of a chromatic color portion, an achromatic color portion, and a background portion, the density data and the color data being formed in units of pixels by using the color components of the original image data as an address signal; density data selecting means for selecting and outputting one of the density data corresponding to the plurality of colors in accordance with an external color designation signal; color data converting means for forming the color data of a plurality of successive pixels as an address signal to produce new color data as an output signal, and for converting the color data of one of the plurality of successive pixels when the color data of the plurality of pixels represents a specific pattern; density data output control means, responsive to the color data converted by said data converting means and the color designation signal, for controlling an output of the density data selected by said density data selecting means; recording means for forming a latent image on an image carrier on the basis of the density data output from said density data output control means and recording an image by developing the latent image with a toner having a color corresponding to the color designation signal; and operation control means for causing said original image data forming means, said image data forming means, said density data selecting means, said color data convert­ing means, said density data output control means, and said recording means to continuously operate upon sequential switching of the color designation signal and for forming a multicolor toner image on said image carrier in said recording means.