JP2000198237A5 - - Google Patents
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- JP2000198237A5 JP2000198237A5 JP1999001313A JP131399A JP2000198237A5 JP 2000198237 A5 JP2000198237 A5 JP 2000198237A5 JP 1999001313 A JP1999001313 A JP 1999001313A JP 131399 A JP131399 A JP 131399A JP 2000198237 A5 JP2000198237 A5 JP 2000198237A5
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Description
【０００８】
【課題を解決するための手段およびその作用・効果】
上述の課題の少なくとも一部を解決するため、本発明の第１の印刷装置は、次の構成を採用した。すなわち、本発明の第１の印刷装置は、
大きさの異なる２種類以上のドットを形成可能なヘッドを備え、主走査と副走査とを行いながら該ヘッドを駆動して画像を印刷する印刷装置であって、
前記画像を構成する画素の階調値に基づいて、前記ドットの形成有無を判断するドット形成判断手段と、
前記画像に含まれる形状について、その輪郭を構成する画素を抽出する輪郭画素抽出手段と、
該輪郭画素には所定の小さなドットが形成されるように前記ドット形成の判断結果を変更した後、該変更後の判断結果に基づいて、前記各大きさのドットを形成するドット形成手段とを備えることを要旨とする。[0008]
[Means for Solving the Problems and Their Functions and Effects]
In order to solve at least a part of the problems described above, a first printing apparatus of the present invention has the following configuration. That is, the first printing apparatus of the present invention includes:
A printing apparatus comprising a head capable of forming two or more types of dots having different sizes, and printing an image by driving the head while performing main scanning and sub scanning.
Dot formation determining means for determining whether or not the dots are formed, based on a tone value of a pixel constituting the image,
For a shape included in the image, contour pixel extraction means for extracting pixels constituting the contour,
After changing the determination result of the dot formed in the said contour pixel predetermined small dots are formed, based on the determination result after the change, and dot formation means for forming a dot of each size The point is to prepare.
【０００９】
また、上記印刷装置に対応する本発明の第１の印刷方法は、
大きさの異なる２種類以上のドットを形成可能なヘッドを備え、主走査と副走査とを行いながら該ヘッドを駆動して画像を印刷する印刷方法であって、
前記画像を構成する画素の階調値に基づいて、前記ドットの形成有無を判断し、
前記画像に含まれる形状について、その輪郭を構成する画素を抽出し、
該抽出した輪郭画素には所定の小さなドットが形成されるように前記ドット形成有無の判断結果を変更した後、該変更後の判断結果に基づいて、前記各大きさのドットを形成することを要旨とする。[0009]
Further, a first printing method of the present invention corresponding to the above printing apparatus,
A printing method comprising: a head capable of forming two or more types of dots having different sizes; and driving the head while performing main scanning and sub-scanning to print an image.
Based on the tone values of pixels constituting the image, to determine the on-off state of the dot,
For the shape included in the image, extract the pixels constituting the outline,
After changing the determination result of the dot formation presence or absence so that a predetermined small dot is formed in the extracted contour pixel, forming the dots of each size based on the determination result after the change. Make a summary.
【００１３】
前述の課題の少なくとも一部を解決するために、本発明の第２の印刷装置は、次の構成を採用した。すなわち、本発明の第２の印刷装置は、
大きさの異なる２種類以上のドットを形成可能なヘッドを備え、主走査と副走査とを行いながら該ヘッドを駆動して画像を印刷する印刷装置であって、
前記画像を構成している画素のうち、隣接する複数の画素を所定の関係に基づいて大画素にまとめ、該大画素によって前記画像を表現する低解像度化手段と、
該大画素の階調値に基づいて、該大画素に形成すべきドットの有無を判断するドット形成判断手段と、
前記画像に含まれる形状の輪郭を構成する大画素を抽出し、該輪郭画素にまとめられた前記複数の画素の階調値に基づいて、該輪郭画素に形成すべきドットの大きさを決定する輪郭ドット決定手段と、
該輪郭画素には該決定された大きさのドットが形成されるように、前記大画素についての前記ドット形成の判断結果を変更した後、該変更後の判断結果に基づいて、前記各大きさのドットを形成するドット形成手段と
を備えることを要旨とする。[0013]
In order to solve at least a part of the problems described above, a second printing apparatus of the present invention has the following configuration. That is, the second printing device of the present invention
A printing apparatus comprising a head capable of forming two or more types of dots having different sizes, and printing an image by driving the head while performing main scanning and sub scanning.
Among the pixels constituting the image, a plurality of adjacent pixels are grouped into a large pixel based on a predetermined relationship, and the resolution reducing means for expressing the image by the large pixel,
Dot formation determining means for determining the presence or absence of a dot to be formed in the large pixel based on the tone value of the large pixel;
Large pixels constituting the outline of the shape included in the image are extracted , and the size of a dot to be formed in the outline pixel is determined based on the tone values of the plurality of pixels combined in the outline pixel. Contour dot determining means;
After changing the dot formation determination result for the large pixel so that a dot of the determined size is formed in the outline pixel, the size of each of the sizes is determined based on the determination result after the change. And a dot forming means for forming the dots.
【００１４】
また、上記印刷装置に対応する本発明の第２の印刷方法は、
大きさの異なる２種類以上のドットを形成可能なヘッドを備え、主走査と副走査とを行いながら該ヘッドを駆動して画像を印刷する印刷方法であって、
前記画像を構成している画素のうち、隣接する複数の画素を所定の関係に基づいて大画素にまとめ、該大画素によって前記画像を表現し、
該大画素の階調値に基づいて、該大画素に形成すべきドットの有無を判断し、
前記画像に含まれる形状について、その輪郭を構成する大画素を抽出し、
該輪郭画素にまとめられた前記複数の画素の階調値に基づいて、該輪郭画素に形成すべきドットの大きさを決定し、
該輪郭画素には該決定された大きさのドットが形成されるように前記大画素についてのドット形成有無の判断結果を変更した後、該変更後の判断結果に基づいて、前記各大きさのドットを形成することを要旨とする。[0014]
Further, a second printing method of the present invention corresponding to the above-described printing apparatus,
A printing method comprising: a head capable of forming two or more types of dots having different sizes; and driving the head while performing main scanning and sub-scanning to print an image.
Of the pixels constituting the image, a plurality of adjacent pixels are grouped into a large pixel based on a predetermined relationship, and the image is represented by the large pixel.
Based on the grayscale values of the large pixel, and determines the presence or absence of dots to be formed in the large pixel,
For the shape included in the image, extract the large pixels constituting the outline,
Based on the tone values of the plurality of pixels grouped into the outline pixel, determine the size of a dot to be formed in the outline pixel,
After changing the determination result of whether or not to form a dot for the large pixel so that a dot of the determined size is formed in the contour pixel, based on the determination result after the change , The point is to form dots.
【００１９】
前述の課題の少なくとも一部を解決するために、本発明の第３の印刷装置は、次の構成を採用した。すなわち、本発明の第３の印刷装置は、
大きさの異なる２種類以上のドットを形成可能なヘッドを備え、主走査と副走査とを行いながら該ヘッドを駆動して画像を印刷する印刷装置であって、
前記画像を構成する画素の階調値に基づいて、前記ドットの形成有無を判断するドット形成判断手段と、
前記画像に含まれる形状について、その輪郭を構成する画素を抽出する輪郭画素抽出手段と、
前記画素を隣接する複数の小画素に分割し、該小画素の各階調値を所定の関係に基づいて定める高解像度化手段と、
前記輪郭画素を分割して得られた各小画素の階調値に基づいて、該輪郭画素に形成するドットの大きさを決定する輪郭ドット決定手段と、
該輪郭画素には該決定した大きさのドットが形成されるように前記ドット形成の判断結果を変更した後、該変更後の判断結果に基づいて、前記各大きさのドットを形成するドット形成手段とを備えることを要旨とする。[0019]
In order to solve at least a part of the problems described above, a third printing apparatus of the present invention has the following configuration. That is, the third printing apparatus of the present invention includes:
A printing apparatus comprising a head capable of forming two or more types of dots having different sizes, and printing an image by driving the head while performing main scanning and sub scanning.
Dot formation determining means for determining whether or not the dots are formed, based on a tone value of a pixel constituting the image,
For a shape included in the image, contour pixel extraction means for extracting pixels constituting the contour,
High resolution means for dividing the pixel into a plurality of adjacent small pixels, and determining each gradation value of the small pixel based on a predetermined relationship;
Contour dot determining means for determining a size of a dot to be formed in the contour pixel based on a gradation value of each small pixel obtained by dividing the contour pixel;
After changing the determination result of the dot formation so that the dot of the determined size is formed in the contour pixel, the dot formation for forming the dot of each size is performed based on the determination result after the change. And a means.
【００２０】
また、上記印刷装置に対応する本発明の第３の印刷方法は、
大きさの異なる２種類以上のドットを形成可能なヘッドを備え、主走査と副走査とを行いながら該ヘッドを駆動して画像を印刷する印刷方法であって、
前記画像を構成する画素の階調値に基づいて、前記ドットの形成有無を判断し、
前記画像に含まれる形状について、その輪郭を構成する画素を抽出し、
前記画素を隣接する複数の小画素に分割し、該小画素の各階調値を所定の関係に基づいて定め、
前記輪郭画素を分割して得られた各小画素の階調値に基づいて、該輪郭画素に形成するドットの大きさを決定し、
該輪郭画素には該決定した大きさのドットが形成されるように前記ドット形成有無の判断結果を変更した後、該変更後の判断結果に基づいて、前記各大きさのドットを形成することを要旨とする。[0020]
Further, a third printing method of the present invention corresponding to the above-described printing apparatus,
A printing method comprising: a head capable of forming two or more types of dots having different sizes; and driving the head while performing main scanning and sub-scanning to print an image.
Based on the tone values of pixels constituting the image, to determine the on-off state of the dot,
For the shape included in the image, extract the pixels constituting the outline,
Dividing the pixel into a plurality of adjacent small pixels, and determining each gradation value of the small pixel based on a predetermined relationship;
Based on the gradation value of each small pixel obtained by dividing the contour pixel, determine the size of the dot to be formed in the contour pixel,
After changing the determination result of the presence or absence of dot formation such that a dot of the determined size is formed in the contour pixel, forming the dots of the respective sizes based on the determination result after the change. Is the gist.
【００２５】
以上の、第１ないし第３の印刷方法および印刷方法は、大きさの異なる２種類以上のドットを形成可能なヘッドとコンピュータとを備えた印刷装置において、該コンピュータに各種制御を行わせることによっても実現されうる。従って、本発明には、上述の各種機能を実現するプログラムを、コンピュータで読み取り可能に記憶した記録媒体としての態様も含まれている。すなわち、本発明の第１の印刷装置および印刷方法に対応する第１の記録媒体は、
大きさの異なる２種類以上のドットを形成して画像を印刷する印刷装置で用いられ、該各ドットの形成有無を判断するために前記画像のデータに所定の処理を施すプログラムを、コンピュータで読み取り可能に記録した記録媒体であって、
前記画像を構成する画素の階調値に基づいて、前記ドットの形成有無を判断する機能と、
前記画像に含まれる形状について、その輪郭を構成する画素を抽出する機能と、
該抽出した輪郭画素には所定の小さなドットが形成されるように前記ドット形成有無の判断結果を変更する機能と
を実現するプログラムを記録したことを要旨とする。[0025]
The above-described first to third printing methods and printing methods are realized by causing a computer to perform various controls in a printing apparatus including a head capable of forming two or more types of dots having different sizes and a computer. Can also be realized. Therefore, the present invention includes an embodiment as a recording medium in which a program for realizing the above-described various functions is stored in a computer-readable manner. That is, the first recording medium corresponding to the first printing apparatus and the printing method of the present invention is:
A computer reads a program that is used in a printing apparatus that prints an image by forming two or more types of dots having different sizes and that performs predetermined processing on the image data in order to determine whether or not each dot is formed. A recording medium on which recording is possible,
A function of determining whether or not the dots are formed, based on a tone value of a pixel constituting the image;
For a shape included in the image, a function of extracting pixels constituting the outline thereof,
The contour pixels the extracted is summarized in that for recording a program for realizing the functions and to change the result of the determination of the dot on-off state so as to form a predetermined small dots.
【００２６】
また、本発明の第２の印刷装置および印刷方法に対応する第２の記録媒体は、
大きさの異なる２種類以上のドットを形成して画像を印刷する印刷装置で用いられ、該各ドットの形成有無を判断するために前記画像のデータに所定の処理を施すプログラムを、コンピュータで読み取り可能に記録した記録媒体であって、
前記画像を構成している画素のうち、隣接する複数の画素を所定の関係に基づいて大画素にまとめ、該大画素によって前記画像を表現する機能と、
該大画素の階調値に基づいて、該大画素に形成すべきドットの有無を判断する機能と、
前記画像に含まれる形状について、その輪郭を構成する大画素を抽出する機能と、
該輪郭画素にまとめられた前記複数の画素の階調値に基づいて、該輪郭画素に形成すべきドットの大きさを決定する機能と、
該輪郭画素には該決定された大きさのドットが形成されるように、前記大画素についてのドット形成有無の判断結果を変更する機能と
を実現するプログラムを記録したことを要旨とする。[0026]
Further, a second recording medium corresponding to the second printing apparatus and the printing method of the present invention includes:
A computer reads a program that is used in a printing apparatus that prints an image by forming two or more types of dots having different sizes and that performs predetermined processing on the image data in order to determine whether or not each dot is formed. A recording medium on which recording is possible,
Among the pixels constituting the image, a plurality of adjacent pixels are grouped into a large pixel based on a predetermined relationship, and a function of expressing the image with the large pixel;
A function of determining the presence or absence of a dot to be formed in the large pixel based on the tone value of the large pixel;
For a shape included in the image, a function of extracting large pixels forming the outline thereof,
A function of determining a size of a dot to be formed in the contour pixel based on a gradation value of the plurality of pixels combined in the contour pixel;
As the said contour pixel dot size which is the determined formed, and summarized in that for recording a program for realizing the functions and to change the result of determination of the dot on-off state of the large pixel.
【００２７】
また、本発明の第３の印刷装置および印刷方法に対応する第３の記録媒体は、
大きさの異なる２種類以上のドットを形成して画像を印刷する印刷装置で用いられ、該各ドットの形成有無を判断するために前記画像のデータに所定の処理を施すプログラムを、コンピュータで読み取り可能に記録した記録媒体であって、
前記画像を構成する画素の階調値に基づいて、前記ドットの形成有無を判断する機能と、
前記画像に含まれる形状について、その輪郭を構成する画素を抽出する機能と、
前記画素を互いに隣接する複数の小画素に分割し、該小画素の各階調値を所定の関係に基づいて定める機能と、
前記輪郭画素を分割して得られた各小画素の階調値に基づいて、該輪郭画素に形成するドットの大きさを決定する機能と、
該輪郭画素には該決定した大きさのドットが形成されるように前記ドット形成有無の判断結果を変更する機能と
を実現するプログラムを記録したことを要旨とする。[0027]
Further, a third recording medium corresponding to the third printing apparatus and the printing method of the present invention includes:
A computer reads a program that is used in a printing apparatus that prints an image by forming two or more types of dots having different sizes and that performs predetermined processing on the image data in order to determine whether or not each dot is formed. A recording medium on which recording is possible,
A function of determining whether or not the dots are formed, based on a tone value of a pixel constituting the image;
For a shape included in the image, a function of extracting pixels constituting the outline thereof,
A function of dividing the pixel into a plurality of small pixels adjacent to each other and determining each gradation value of the small pixel based on a predetermined relationship;
A function of determining a size of a dot to be formed in the contour pixel based on a gradation value of each small pixel obtained by dividing the contour pixel;
The said contour pixel is summarized in that for recording a program for realizing the functions and to change the result of the determination of the dot on-off state as a dot size determined the is formed.
Claims (14)
前記画像を構成する画素の階調値に基づいて、前記ドットの形成有無を判断するドット形成判断手段と、
前記画像に含まれる形状について、その輪郭を構成する画素を抽出する輪郭画素抽出手段と、
該輪郭画素には所定の小さなドットが形成されるように前記ドット形成の判断結果を変更した後、該変更後の判断結果に基づいて、前記各大きさのドットを形成するドット形成手段と
を備えた印刷装置。A printing apparatus comprising a head capable of forming two or more types of dots having different sizes, and printing an image by driving the head while performing main scanning and sub scanning.
Dot formation determining means for determining whether or not the dots are formed, based on a tone value of a pixel constituting the image,
For a shape included in the image, contour pixel extraction means for extracting pixels constituting the contour,
After changing the determination result of the dot formed in the said contour pixel predetermined small dots are formed, based on the determination result after the change, and dot formation means for forming a dot of each size Equipped printing device.
前記輪郭画素抽出手段は、主走査方向に隣接する複数の画素を組として、該組を構成する各画素の階調値と所定の閾値とを比較し、該比較結果と所定の関係とに基づいて前記輪郭画素を抽出する手段である印刷装置。The printing device according to claim 1,
The contour pixel extraction unit sets a plurality of pixels adjacent in the main scanning direction as a set, compares the tone value of each pixel constituting the set with a predetermined threshold, and based on the comparison result and a predetermined relationship. A printing apparatus for extracting the contour pixels by using a printer.
前記画像を構成している画素のうち、隣接する複数の画素を所定の関係に基づいて大画素にまとめ、該大画素によって前記画像を表現する低解像度化手段と、
該大画素の階調値に基づいて、該大画素に形成すべきドットの有無を判断するドット形成判断手段と、
前記画像に含まれる形状の輪郭を構成する大画素を抽出し、該輪郭画素にまとめられた前記複数の画素の階調値に基づいて、該輪郭画素に形成すべきドットの大きさを決定する輪郭ドット決定手段と、
該輪郭画素には該決定された大きさのドットが形成されるように、前記大画素についての前記ドット形成の判断結果を変更した後、該変更後の判断結果に基づいて、前記各大きさのドットを形成するドット形成手段と
を備えた印刷装置。A printing apparatus comprising a head capable of forming two or more types of dots having different sizes, and printing an image by driving the head while performing main scanning and sub scanning.
Among the pixels constituting the image, a plurality of adjacent pixels are grouped into a large pixel based on a predetermined relationship, and the resolution reducing means for expressing the image by the large pixel,
Dot formation determining means for determining the presence or absence of a dot to be formed in the large pixel based on the tone value of the large pixel;
Large pixels constituting the outline of the shape included in the image are extracted , and the size of a dot to be formed in the outline pixel is determined based on the tone values of the plurality of pixels combined in the outline pixel. Contour dot determining means;
After changing the dot formation determination result for the large pixel so that a dot of the determined size is formed in the outline pixel, the size of each of the sizes is determined based on the determination result after the change. And a dot forming means for forming dots.
前記形成可能なドットの中の所定の大きさのドットは、他のドットに対してドット形成位置を所定方向にずらして設定されているドットであり、
前記輪郭ドット決定手段は、前記輪郭画素にまとめられた複数の画素の階調値分布を解析し、階調値の偏っている方向が前記所定方向と略等しいときには、前記所定の大きさのドットが形成されるよう決定する手段である印刷装置。The printing device according to claim 3,
A dot of a predetermined size among the dots that can be formed is a dot whose dot formation position is shifted in a predetermined direction with respect to other dots,
The contour dot determining means analyzes a gradation value distribution of a plurality of pixels grouped into the contour pixels, and when a direction in which the gradation values are biased is substantially equal to the predetermined direction, the dot of the predetermined size is used. A printing device, which is a means for determining that a is formed.
前記低解像度化手段は、前記画素を主走査方向にまとめる手段であり、
前記形成可能なドットの中の所定の大きさのドットは、他のドットに対してドット形成位置を主走査方向にずらして設定されているドットであり、
前記輪郭ドット決定手段は、前記輪郭画素を分割して得られた各小画素の階調値分布を解析し、階調値の偏っている方向が主走査方向と略等しいときには、前記所定の大きさのドットが形成されるよう決定する手段である印刷装置。The printing device according to claim 3,
The resolution reducing unit is a unit that groups the pixels in the main scanning direction,
A dot of a predetermined size among the dots that can be formed is a dot whose dot formation position is shifted in the main scanning direction with respect to other dots,
The contour dot determining means analyzes the gradation value distribution of each small pixel obtained by dividing the contour pixel, and when the direction in which the gradation value is deviated is substantially equal to the main scanning direction, the predetermined size is determined. A printing device that is a means for determining that a dot of a size is to be formed.
前記画像を構成する画素の階調値に基づいて、前記ドットの形成有無を判断するドット形成判断手段と、
前記画像に含まれる形状について、その輪郭を構成する画素を抽出する輪郭画素抽出手段と、
前記画素を隣接する複数の小画素に分割し、該小画素の各階調値を所定の関係に基づいて定める高解像度化手段と、
前記輪郭画素を分割して得られた各小画素の階調値に基づいて、該輪郭画素に形成するドットの大きさを決定する輪郭ドット決定手段と、
該輪郭画素には該決定した大きさのドットが形成されるように前記ドット形成の判断結果を変更した後、該変更後の判断結果に基づいて、前記各大きさのドットを形成するドット形成手段と
を備えた印刷装置。A printing apparatus comprising a head capable of forming two or more types of dots having different sizes, and printing an image by driving the head while performing main scanning and sub scanning.
Dot formation determining means for determining whether or not the dots are formed, based on a tone value of a pixel constituting the image,
For a shape included in the image, contour pixel extraction means for extracting pixels constituting the contour,
High resolution means for dividing the pixel into a plurality of adjacent small pixels, and determining each gradation value of the small pixel based on a predetermined relationship;
Contour dot determining means for determining a size of a dot to be formed in the contour pixel based on a gradation value of each small pixel obtained by dividing the contour pixel;
After changing the determination result of the dot formation so that the dot of the determined size is formed in the contour pixel, the dot formation for forming the dot of each size is performed based on the determination result after the change. And a printing device comprising:
前記形成可能なドットの中の所定の大きさのドットは、他のドットに対してドット形成位置を所定方向にずらして設定されているドットであり、
前記輪郭ドット決定手段は、前記輪郭画素を分割して得られた各小画素の階調値分布を解析し、階調値の偏っている方向が前記所定方向と略等しいときには、前記所定の大きさのドットが形成されるよう決定する手段である印刷装置。The printing device according to claim 6,
A dot of a predetermined size among the dots that can be formed is a dot whose dot formation position is shifted in a predetermined direction with respect to other dots,
The contour dot determining means analyzes a gradation value distribution of each small pixel obtained by dividing the contour pixel, and when a direction in which the gradation value is deviated is substantially equal to the predetermined direction, the predetermined size is determined. A printing device that is a means for determining that a dot of a size is to be formed.
前記高解像度化手段は、前記画素を主走査方向に分割する手段であり、
前記形成可能なドットの中の所定の大きさのドットは、他のドットに対してドット形成位置を主走査方向にずらして設定されているドットであり、
前記輪郭ドット決定手段は、前記輪郭画素を分割して得られた各小画素の階調値分布を解析し、階調値の偏っている方向が主走査方向と略等しいときには、前記所定の大きさのドットが形成されるよう決定する手段である印刷装置。The printing device according to claim 6,
The high resolution means is means for dividing the pixel in the main scanning direction,
A dot of a predetermined size among the dots that can be formed is a dot whose dot formation position is shifted in the main scanning direction with respect to other dots,
The contour dot determining means analyzes the gradation value distribution of each small pixel obtained by dividing the contour pixel, and when the direction in which the gradation value is deviated is substantially equal to the main scanning direction, the predetermined size is determined. A printing device that is a means for determining that a dot of a size is to be formed.
前記画像を構成する画素の階調値に基づいて、前記ドットの形成有無を判断し、
前記画像に含まれる形状について、その輪郭を構成する画素を抽出し、
該抽出した輪郭画素には所定の小さなドットが形成されるように前記ドット形成有無の判断結果を変更した後、該変更後の判断結果に基づいて、前記各大きさのドットを形成する印刷方法。A printing method comprising: a head capable of forming two or more types of dots having different sizes; and driving the head while performing main scanning and sub-scanning to print an image.
Based on the tone values of pixels constituting the image, to determine the on-off state of the dot,
For the shape included in the image, extract the pixels constituting the outline,
After the contour pixels the extracted changed the result of determination of the dot on-off state so as to form a predetermined small dots, printing method based on the determination result after the change, to form dots of the respective size .
前記画像を構成している画素のうち、隣接する複数の画素を所定の関係に基づいて大画素にまとめ、該大画素によって前記画像を表現し、
該大画素の階調値に基づいて、該大画素に形成すべきドットの有無を判断し、
前記画像に含まれる形状について、その輪郭を構成する大画素を抽出し、
該輪郭画素にまとめられた前記複数の画素の階調値に基づいて、該輪郭画素に形成すべきドットの大きさを決定し、
該輪郭画素には該決定された大きさのドットが形成されるように、前記大画素についてのドット形成有無の判断結果を変更した後、該変更後の判断結果に基づいて、前記各大きさのドットを形成する印刷方法。A printing method comprising: a head capable of forming two or more types of dots having different sizes; and driving the head while performing main scanning and sub-scanning to print an image.
Of the pixels constituting the image, a plurality of adjacent pixels are grouped into a large pixel based on a predetermined relationship, and the image is represented by the large pixel.
Based on the grayscale values of the large pixel, and determines the presence or absence of dots to be formed in the large pixel,
For the shape included in the image, extract the large pixels constituting the outline,
Based on the tone values of the plurality of pixels grouped into the outline pixel, determine the size of a dot to be formed in the outline pixel,
After changing the determination result of whether or not to form a dot for the large pixel so that a dot of the determined size is formed in the outline pixel, the size of each of the large pixels is changed based on the determination result after the change. A printing method for forming dots.
前記画像を構成する画素の階調値に基づいて、前記ドットの形成有無を判断し、
前記画像に含まれる形状について、その輪郭を構成する画素を抽出し、
前記画素を隣接する複数の小画素に分割し、該小画素の各階調値を所定の関係に基づいて定め、
前記輪郭画素を分割して得られた各小画素の階調値に基づいて、該輪郭画素に形成するドットの大きさを決定し、
該輪郭画素には該決定した大きさのドットが形成されるように前記ドット形成有無の判断結果を変更した後、該変更後の判断結果に基づいて、前記各大きさのドットを形成する印刷方法。A printing method comprising: a head capable of forming two or more types of dots having different sizes; and driving the head while performing main scanning and sub-scanning to print an image.
Based on the tone values of pixels constituting the image, to determine the on-off state of the dot,
For the shape included in the image, extract the pixels constituting the outline,
Dividing the pixel into a plurality of adjacent small pixels, and determining each gradation value of the small pixel based on a predetermined relationship;
Based on the gradation value of each small pixel obtained by dividing the contour pixel, determine the size of the dot to be formed in the contour pixel,
After changing the determination result of the dot on / off state so that a dot of the determined size is formed on the contour pixel, printing based on the determination result after the change forms the dots of the respective sizes. Method.
前記画像を構成する画素の階調値に基づいて、前記ドットの形成有無を判断する機能と、
前記画像に含まれる形状について、その輪郭を構成する画素を抽出する機能と、
該抽出した輪郭画素には所定の小さなドットが形成されるように前記ドット形成有無の判断結果を変更する機能と
を実現するプログラムを記録した記録媒体。A computer reads a program that is used in a printing apparatus that prints an image by forming two or more types of dots having different sizes and that performs predetermined processing on the image data in order to determine whether or not each dot is formed. A recording medium on which recording is possible,
A function of determining whether or not the dots are formed, based on a tone value of a pixel constituting the image;
For a shape included in the image, a function of extracting pixels constituting the outline thereof,
Extract recording medium is the contour pixel recording a program for realizing the functions and to change the result of the determination of the dot on-off state so as to form a predetermined small dots that issued.
前記画像を構成している画素のうち、隣接する複数の画素を所定の関係に基づいて大画素にまとめ、該大画素によって前記画像を表現する機能と、
該大画素の階調値に基づいて、該大画素に形成すべきドットの有無を判断する機能と、
前記画像に含まれる形状について、その輪郭を構成する大画素を抽出する機能と、
該輪郭画素にまとめられた前記複数の画素の階調値に基づいて、該輪郭画素に形成すべきドットの大きさを決定する機能と、
該輪郭画素には該決定された大きさのドットが形成されるように、前記大画素についてのドット形成有無の判断結果を変更する機能と
を実現するプログラムを記録した記録媒体。A computer reads a program that is used in a printing apparatus that prints an image by forming two or more types of dots having different sizes and that performs predetermined processing on the image data in order to determine whether or not each dot is formed. A recording medium on which recording is possible,
Among the pixels constituting the image, a plurality of adjacent pixels are grouped into a large pixel based on a predetermined relationship, and a function of expressing the image with the large pixel;
A function of determining the presence or absence of a dot to be formed in the large pixel based on the tone value of the large pixel;
For a shape included in the image, a function of extracting large pixels forming the outline thereof,
A function of determining a size of a dot to be formed in the contour pixel based on a gradation value of the plurality of pixels combined in the contour pixel;
The way the contour pixel dot size which is the decisions are formed, a recording medium recording a program for realizing the functions and to change the result of determination of the dot on-off state of the large pixel.
前記画像を構成する画素の階調値に基づいて、前記ドットの形成有無を判断する機能と、
前記画像に含まれる形状について、その輪郭を構成する画素を抽出する機能と、
前記画素を互いに隣接する複数の小画素に分割し、該小画素の各階調値を所定の関係に基づいて定める機能と、
前記輪郭画素を分割して得られた各小画素の階調値に基づいて、該輪郭画素に形成するドットの大きさを決定する機能と、
該輪郭画素には該決定した大きさのドットが形成されるように前記ドット形成有無の判断結果を変更する機能と
を実現するプログラムを記録した記録媒体。A computer reads a program that is used in a printing apparatus that prints an image by forming two or more types of dots having different sizes and that performs predetermined processing on the image data in order to determine whether or not each dot is formed. A recording medium on which recording is possible,
A function of determining whether or not the dots are formed, based on a tone value of a pixel constituting the image;
For a shape included in the image, a function of extracting pixels constituting the outline thereof,
A function of dividing the pixel into a plurality of small pixels adjacent to each other and determining each gradation value of the small pixel based on a predetermined relationship;
A function of determining a size of a dot to be formed in the contour pixel based on a gradation value of each small pixel obtained by dividing the contour pixel;
Recording medium in the contour pixel that stores a program for realizing the functions and to change the result of the determination of the dot on-off state as a dot size determined the is formed.
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| JP131399A JP4296621B2 (en) | 1999-01-06 | 1999-01-06 | Printing apparatus, printing method, and recording medium |
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| JP131399A JP4296621B2 (en) | 1999-01-06 | 1999-01-06 | Printing apparatus, printing method, and recording medium |
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| JP2000198237A5 true JP2000198237A5 (en) | 2004-09-24 |
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| JP2004314411A (en) | 2003-04-15 | 2004-11-11 | Seiko Epson Corp | Printer, control device, method of printing, method of controlling, and program |
| JP2006159698A (en) | 2004-12-08 | 2006-06-22 | Canon Inc | Recording method and recorder |
| JP2006159697A (en) | 2004-12-08 | 2006-06-22 | Canon Inc | Recording method and recorder |
| JP4661271B2 (en) * | 2005-03-01 | 2011-03-30 | セイコーエプソン株式会社 | Printing apparatus, printing system, printing control apparatus, printing method, and program |
| JP4293999B2 (en) | 2005-03-09 | 2009-07-08 | 富士フイルム株式会社 | Image processing method |
| JP4679478B2 (en) * | 2006-09-19 | 2011-04-27 | 株式会社リコー | Image forming apparatus, program, storage medium, and image forming method |
| JP2009239647A (en) * | 2008-03-27 | 2009-10-15 | Seiko Epson Corp | Image processing apparatus, image processing method, and computer program |
| JP6498009B2 (en) * | 2015-03-26 | 2019-04-10 | キヤノン株式会社 | Image processing apparatus and recording ratio determination method |
| JP7439661B2 (en) | 2020-07-03 | 2024-02-28 | セイコーエプソン株式会社 | Image processing method, image processing device, and recording system |
| JP2023137655A (en) | 2022-03-18 | 2023-09-29 | キヤノン株式会社 | Device and method for inkjet recording |
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