Method for collating independent figure elements between images

Claim 1

A method for correlating independent pattern elements in an object image with a reference image both images including elements which are not interlinked with each other, the elements of each image having a fixed positional relationship to one another, comprising steps of: plotting said elements on orthogonal coordinates and plotting values indicative of features of each element on orthogonal feature coordinates; selecting two distinctive independent elements in the reference image based on values indicative of features of each element plotted on said orthogonal feature coordinates; identifying the two distinctive independent elements in the object image based on the values indicative of features of the selected elements; defining a relative coordinate system in an image plane for each of the reference image and the object image such that a predetermined coordinate of each of the two distinctive independent elements are used to establish one axis of the relative coordinate system; plotting the elements of each image on the relative coordinate system such that the positional relationships between the elements of each image are not altered; and correlating pairs of independent elements between the reference image and the object image on the basis of the relative coordinate system.

Claim 2

A method for correlating independent pattern elements in an object image with a reference image both images including elements which are not interlinked with each other, the elements of each image having a fixed positional relationship to one another, comprising steps of: plotting said elements on orthogonal coordinates and plotting values indicative of features of each element on orthogonal feature coordinates; selecting two distinctive independent elements in the reference image based on values indicative of features of each element plotted on said orthogonal feature coordinates; identifying the two distinctive independent elements in the object image based on the values indicative of features of the selected elements; defining a relative coordinate system in an image plane for each of the reference image and the object image such that a predetermined coordinate of each of the two distinctive independent elements are used to establish one axis of the relative coordinate system; plotting the elements of each image on the relative coordinate system such that the positional relationships between the elements of each image are not altered; and correlating pairs of independent elements between the reference image and the object image on the basis of the relative coordinate system.

Claim 9

A method for correlating an object image with a reference image both including independent figure elements which are not interlinked with each other, the independent elements having a fixed positional relationship to one another, comprising the steps of: plotting said elements on orthogonal coordinates and plotting features of figure of each element on orthogonal feature coordinates; selecting two elements which are distinguished from other elements in the reference image based on features of figure plotted on said orthogonal feature coordinates; identifying a predetermined coordinate for each of the selected elements; defining a relative coordinate system with an axis passing through both of the predetermined coordinates and an orthogonal axis passing through one of the predetermined coordinates and then converting the predetermined coordinate of each selected element in the reference image onto the relative coordinate system; selecting from the object image two elements having substantially identical features with those of the selected elements in the reference image, identifying a predetermined coordinate for each of the selected elements, plotting the selected elements on the relative coordinate system so that an axis passes through both if the identified predetermined coordinates and a normal axis passes through one of the identified predetermined coordinates, and then converting the predetermined coordinate of each element in the object image onto the relative coordinate system without altering the positional relationship between the elements; comparing the predetermined coordinates of respective elements in the object image with those of elements in the reference image on the relative coordinate system to prepare a list of paired elements between the object image and the reference image; and correlating features of figure between said paired elements to discriminate an object element different from the corresponding reference element in the feature of figure.

Claim 10

A method for correlating an object image with a reference image both including independent figure elements which are not interlinked with each other, the independent elements having a fixed positional relationship to one another, comprising the steps of: plotting said elements on orthogonal coordinates and plotting features of figure of each element on orthogonal feature coordinates; selecting two elements which are distinguished from other elements in the reference image based on features of figure plotted on said orthogonal feature coordinates; identifying a predetermined coordinate for each of the selected elements; defining a relative coordinate system with an axis passing through both of the predetermined coordinates and an orthogonal axis passing through one of the predetermined coordinates and then converting the predetermined coordinate of each selected element in the reference image onto the relative coordinate system; selecting from the object image two elements having substantially identical features with those of the selected elements in the reference image, identifying a predetermined coordinate for each of the selected elements, plotting the selected elements on the relative coordinate system so that an axis passes through both if the identified predetermined coordinates and a normal axis passes through one of the identified predetermined coordinates, and then converting the predetermined coordinate of each element in the object image onto the relative coordinate system without altering the positional relationship between the elements; comparing the predetermined coordinates of respective elements in the object image with those of elements in the reference image on the relative coordinate system to prepare a list of paired elements between the object image and the reference image; and correlating features of figure between said paired elements to discriminate an object element different from the corresponding reference element in the feature of figure.

Claim 14

A method for collating independent pattern elements in an object image with a reference image, both the reference and object images having pattern elements which are not interlinked with each other, the method comprising the steps of: selecting two distinctive independent elements in the reference image based on values indicative of features of each element plotted on orthogonal coordinates; defining a relative coordinate system in an image plane for each of the reference image and the object image such that the centers of gravity of the two distinctive independent elements are used to establish one axis of the relative coordinate system, the two distinctive elements in the object image being identified by the features of the independent elements indicative of the area and the perimeter of the independent elements; and collating pairs of independent elements of the reference image and the object image on the basis of the relative coordinate system.

Claim 15

A method for collating independent pattern elements in an object image with a reference image, both the reference and object images having pattern elements which are not interlinked with each other, the method comprising the steps of: selecting two distinctive independent elements in the reference image based on values indicative of features of each element plotted on orthogonal coordinates; defining a relative coordinate system in an image plane for each of the reference image and the object image such that the centers of gravity of the two distinctive independent elements are used to establish one axis of the relative coordinate system, the two distinctive elements in the object image being identified by the features of the independent elements indicative of the area and the perimeter of the independent elements; and collating pairs of independent elements of the reference image and the object image on the basis of the relative coordinate system.

Claim 16

A method of collating independent pattern elements in an object image with independent pattern elements reference image, both including elements which are not interlinked with each other, the method comprising the steps of: selecting two distinctive independent elements in the reference image based on values indicative of features of each element plotted on orthogonal coordinates; defining a relative coordinate system in an image plane for each of the reference image and the object image such that the centers of gravity of the two distinctive independent elements are used to establish one axis of the relative coordinate system, the two distinctive elements in the object image being identified with values indicative of features of the elements; collating pairs of independent elements of the reference image and the object image on the basis of the relative coordinate system; and wherein a distance is calculated from each independent pattern element to the nearest independent pattern element within the reference image, an allowable range smaller than the distance is set so as to correspond to each independent pattern element, and each pattern element in the object image is detected to be located within the allowable range thereby pairing the independent elements in the object image with the independent elements in the reference image.

Claim 17

A method of collating independent pattern elements in an object image with independent pattern elements reference image, both including elements which are not interlinked with each other, the method comprising the steps of: selecting two distinctive independent elements in the reference image based on values indicative of features of each element plotted on orthogonal coordinates; defining a relative coordinate system in an image plane for each of the reference image and the object image such that the centers of gravity of the two distinctive independent elements are used to establish one axis of the relative coordinate system, the two distinctive elements in the object image being identified with values indicative of features of the elements; collating pairs of independent elements of the reference image and the object image on the basis of the relative coordinate system; and wherein a distance is calculated from each independent pattern element to the nearest independent pattern element within the reference image, an allowable range smaller than the distance is set so as to correspond to each independent pattern element, and each pattern element in the object image is detected to be located within the allowable range thereby pairing the independent elements in the object image with the independent elements in the reference image.

Claim 18

A method for collating an object image with a reference image both including independent figure elements which are not interlinked with each other, comprising the steps of: selecting two elements which are distinguished from other elements in the reference image to have at least one distinctive feature of figure plotted on orthogonal coordinates; identifying a coordinate indicative of the predetermined coordinate for each of the selected elements; defining a relative coordinate system with an axis passing through both of the predetermined coordinates and an orthogonal axis passing through one of the predetermined coordinates and then converting the coordinate indicative of the predetermined coordinate of each selected element in the reference image onto the relative coordinate system; selecting from the object image two elements having identical features with those of the selected elements in the reference image, identifying a coordinate indicative of the predetermined coordinate for each of the selected elements, defining a relative coordinate system with an axis passing through both of the identified coordinates and a normal axis passing through one of the identified coordinates, and then converting the coordinate indicative of the predetermined coordinate of each selected element in the object image onto the relative coordinate system; comparing coordinates of respective centers of gravity of elements in the object image with those of elements in the reference image on the relative coordinate system to prepare a list of paired elements between the object image and the reference image; collating features of figure between said paired elements to discriminate an object element different from the corresponding reference element in the feature of figure; and preparing a list of said paired elements by calculating a distance from each independent pattern element to the nearest independent pattern element within the reference image with respect to the centers of gravity thereof, setting an allowable range smaller than the distance so as to correspond to each independent pattern element, and calculating a distance rom each pattern element in the reference image to each pattern element in the object image with respect to the centers of gravity thereof and pairing these elements when the distance is smaller than the allowable range.

Claim 19

A method for collating an object image with a reference image both including independent figure elements which are not interlinked with each other, comprising the steps of: selecting two elements which are distinguished from other elements in the reference image to have at least one distinctive feature of figure plotted on orthogonal coordinates; identifying a coordinate indicative of the predetermined coordinate for each of the selected elements; defining a relative coordinate system with an axis passing through both of the predetermined coordinates and an orthogonal axis passing through one of the predetermined coordinates and then converting the coordinate indicative of the predetermined coordinate of each selected element in the reference image onto the relative coordinate system; selecting from the object image two elements having identical features with those of the selected elements in the reference image, identifying a coordinate indicative of the predetermined coordinate for each of the selected elements, defining a relative coordinate system with an axis passing through both of the identified coordinates and a normal axis passing through one of the identified coordinates, and then converting the coordinate indicative of the predetermined coordinate of each selected element in the object image onto the relative coordinate system; comparing coordinates of respective centers of gravity of elements in the object image with those of elements in the reference image on the relative coordinate system to prepare a list of paired elements between the object image and the reference image; collating features of figure between said paired elements to discriminate an object element different from the corresponding reference element in the feature of figure; and preparing a list of said paired elements by calculating a distance from each independent pattern element to the nearest independent pattern element within the reference image with respect to the centers of gravity thereof, setting an allowable range smaller than the distance so as to correspond to each independent pattern element, and calculating a distance rom each pattern element in the reference image to each pattern element in the object image with respect to the centers of gravity thereof and pairing these elements when the distance is smaller than the allowable range.

Claim 21

A method for collating an object image with a reference image both including independent figure elements which are not interlinked with each other, comprising the steps of: selecting two elements which are distinguished from other elements in the reference image to have at least one distinctive feature of figure plotted on orthogonal coordinates; identifying a coordinate indicative of the predetermined coordinate for each of the selected elements; defining a relative coordinate system with an axis passing through both of the predetermined coordinates and an orthogonal axis passing through one of the predetermined coordinates and then converting the coordinate indicative of the predetermined coordinate of each selected element in the reference image onto the relative coordinate system; selecting from the object image two elements having substantially identical features with those of the selected elements in the reference image, identifying a coordinate indicative of the predetermined coordinate for each of the selected elements, defining a relative coordinate system with an axis passing through both of the identified coordinates and a normal axis passing through one of the identified coordinates, and then converting the coordinate indicative of the predetermined coordinate of each selected element in the object image onto the relative coordinate system; comparing coordinates of respective centers of gravity of elements in the object image with those of elements in the reference image on the relative coordinate system to prepare a list of paired elements between the object image and the reference image; and collating features of figure between said paired elements to discriminate an object element different from the corresponding reference element in the feature of figure, said features of figure to distinguish the element being attributes which are not affected by positional and rotational shifts of the image, and being values of the area and the perimeter of the figure elements.

Claim 22

A method for collating an object image with a reference image both including independent figure elements which are not interlinked with each other, comprising the steps of: selecting two elements which are distinguished from other elements in the reference image to have at least one distinctive feature of figure plotted on orthogonal coordinates; identifying a coordinate indicative of the predetermined coordinate for each of the selected elements; defining a relative coordinate system with an axis passing through both of the predetermined coordinates and an orthogonal axis passing through one of the predetermined coordinates and then converting the coordinate indicative of the predetermined coordinate of each selected element in the reference image onto the relative coordinate system; selecting from the object image two elements having substantially identical features with those of the selected elements in the reference image, identifying a coordinate indicative of the predetermined coordinate for each of the selected elements, defining a relative coordinate system with an axis passing through both of the identified coordinates and a normal axis passing through one of the identified coordinates, and then converting the coordinate indicative of the predetermined coordinate of each selected element in the object image onto the relative coordinate system; comparing coordinates of respective centers of gravity of elements in the object image with those of elements in the reference image on the relative coordinate system to prepare a list of paired elements between the object image and the reference image; and collating features of figure between said paired elements to discriminate an object element different from the corresponding reference element in the feature of figure, said features of figure to distinguish the element being attributes which are not affected by positional and rotational shifts of the image, and being values of the area and the perimeter of the figure elements.