Image processing apparatus and image processing method

An image processing apparatus including a reading sensor configured to read an original image, the image processing apparatus comprising:

• an image data acquiring unit configured to acquire image data of a plurality of frames of images in which positions read by the reading sensor are shifted by less than one pixel in a main scanning direction and/or a sub-scanning direction;
• a high-resolution converting unit configured to perform interpolation by using the plurality of frames of image data acquired by the image data acquiring unit to obtain image data having resolution higher than resolution of the reading sensor;
• a special toner information acquiring unit configured to have a unit that acquires information about a special toner added to the image data of the read original image;
• a special toner information converting unit configured to convert the special toner information into a format capable of being input to the high-resolution converting unit;
• a special toner information high-resolution converting unit configured to perform a high-resolution conversion on the special toner information whose format has been converted by the special toner information converting unit, by using the high-resolution converting unit;
• and
• a special toner information regenerating unit configured to regenerate the special toner information, which has been converted to have the high resolution by the special toner information high-resolution converting unit, as special toner information having the same resolution as that of the image data converted to have the high resolution by the high-resolution converting unit.

An image processing apparatus comprising:

• a high-resolution converting unit configured to use image data of a plurality of frames of images in which positions read by a sensor are shifted by less than one pixel in a main scanning direction and/or a sub-scanning direction to generate image data having resolution higher than resolution of the sensor;
• an image region information generating unit configured to generate image region information corresponding to the image data read by the sensor;
• and
• an image region information high-resolution converting unit configured to convert a format of the image region information generated by the image region information generating unit and perform a high-resolution conversion on the image region information using the high-resolution converting unit in such a way as to cause the image region information to correspond to the image data having the resolution higher than the resolution of the sensor.

A method for controlling an image processing apparatus including a reading sensor configured to read an original image, the method comprising:

• acquiring image data of a plurality of frames of images in which positions read by the reading sensor are shifted by less than one pixel in a main scanning direction and/or a sub-scanning direction;
• performing interpolation by using the plurality of frames of acquired image data, inputting the image data to a high-resolution converting unit configured to obtain image data having resolution higher than resolution of the reading sensor, and performing a high-resolution conversion on the image data;
• generating image region information including image region bits from the image data acquired by the reading sensor;
• converting the generated image region information into a format capable of being input to the high-resolution converting unit;
• performing a high-resolution conversion on the image region information whose format has been converted, by using the high-resolution converting unit;
• and
• regenerating the image region information, which has been converted to have the high resolution, as image region information having the same resolution as that of the image data converted to have the high resolution.

A method for controlling an image processing apparatus including a reading sensor configured to read an original image, the method comprising:

• acquiring image data of a plurality of frames of images in which positions read by the reading sensor are shifted by less than one pixel in a main scanning direction and/or a sub-scanning direction;
• performing interpolation by using the plurality of frames of acquired image data, inputting the image data to a high-resolution converting unit configured to obtain image data having resolution higher than resolution of the reading sensor, and performing a high-resolution conversion on the image data;
• acquiring information about a special toner added to the image data of the read original image;
• converting the special toner information into a format capable of being input to the high-resolution converting unit;
• performing a high-resolution conversion on the special toner information whose format has been converted, by using the high-resolution converting unit;
• and
• regenerating the special toner information, which has been converted to have the high resolution, as special toner information having the same resolution as that of the image data converted to have the high resolution.

A method for controlling an image processing apparatus, the method comprising:

• inputting image data of a plurality of frames of images in which positions read by a sensor are shifted by less than one pixel in a main scanning direction and/or a sub-scanning direction to a high-resolution converting unit to perform a high-resolution conversion on the image data to generate image data having resolution higher than resolution of the sensor;
• generating image region information corresponding to the image data read by the sensor;
• and
• converting a format of the generated image region information and performing a high-resolution conversion on the image region information using the high-resolution converting unit in such a way as to cause the generated image region information to correspond to the image data having the resolution higher than the resolution of the sensor.

A computer-readable storage medium storing a program for causing a computer to execute a method for controlling an image processing apparatus including a reading sensor configured to read an original image, the method comprising:

• acquiring image data of a plurality of frames of images in which positions read by the reading sensor are shifted by less than one pixel in a main scanning direction and/or a sub-scanning direction;
• performing interpolation by using the plurality of frames of acquired image data, inputting the image data to a high-resolution converting unit configured to obtain image data having resolution higher than resolution of the reading sensor, and performing a high-resolution conversion on the image data;
• generating image region information including image region bits from the image data acquired by the reading sensor;
• converting the generated image region information into a format capable of being input to the high-resolution converting unit;
• performing a high-resolution conversion on the image region information whose format has been converted, by using the high-resolution converting unit;
• and
• regenerating the image region information, which has been converted to have the high resolution, as image region information having the same resolution as that of the image data converted to have the high resolution.

A computer-readable storage medium storing a program for causing a computer to execute a method for controlling an image processing apparatus including a reading sensor configured to read an original image, the method comprising:

• acquiring image data of a plurality of frames of images in which positions read by the reading sensor are shifted by less than one pixel in a main scanning direction and/or a sub-scanning direction;
• performing interpolation by using the plurality of frames of acquired image data, inputting the image data to a high-resolution converting unit configured to obtain image data having resolution higher than resolution of the reading sensor, and performing a high-resolution conversion on the image data;
• acquiring information about a special toner added to the image data of the read original image;
• converting the special toner information into a format capable of being input to the high-resolution converting unit;
• performing a high-resolution conversion on the special toner information whose format has been converted, by using the high-resolution converting unit;
• and
• regenerating the special toner information, which has been converted to have the high resolution, as special toner information having the same resolution as that of the image data converted to have the high resolution.

A computer-readable storage medium storing a program for causing a computer to execute a method for controlling an image processing apparatus, the method comprising:

• inputting image data of a plurality of frames of images in which positions read by a sensor are shifted by less than one pixel in a main scanning direction and/or a sub-scanning direction to a high-resolution converting unit to perform a high-resolution conversion on the image data to generate image data having resolution higher than resolution of the sensor;
• generating image region information corresponding to the image data read by the sensor;
• and
• converting a format of the generated image region information and performing a high-resolution conversion on the image region information using the high-resolution converting unit in such a way as to cause the generated image region information to correspond to the image data having the resolution higher than the resolution of the sensor.