Vision inspection programming method and apparatus

• US 9,123,093 B1
• Filed: 08/29/2008
• Issued: 09/01/2015
• Est. Priority Date: 08/29/2008
• Status: Active Grant

• Current Assignee: Cognex Corporation
• Original Assignee: Cognex Corporation
• Inventors: Schumacher, David
• Primary Examiner(s): Abdul-Ali, Omar
• Assistant Examiner(s): PAN, PHOEBE X
• Application Number:
  US12/200,998
• Time in Patent Office: 2,559 Days
• Field of Search: 715/764, 715/777, 715/780
• US Class Current: 1/1
• CPC Class Codes: G01N 21/88 Investigating the presence of flaws or contamination
• CPC Class Codes: G06F 3/011 Arrangements for interaction with the human body, e.g. for user immersion in virtual reality blind teaching G09B21/00
• CPC Class Codes: G06F 3/0481 based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
• CPC Class Codes: G06F 8/34 Graphical or visual programming
• CPC Class Codes: G06T 7/0004 Industrial image inspection

Abstract

A method and programming system for specifying vision inspection tools for a vision inspection system, the programming system comprising a workstation including a processor programmed to provide a first interface including a first view of a vision inspection system as the inspection system is being specified, the first interface usable to select vision inspection tools to be used in the vision inspection system from a first tool subset and a second interface including a second view of the vision inspection system as the inspection system is being specified, the second interface usable to specify vision inspection tools to be used with the vision inspection system from a second tool subset, the second interface also usable to specify script expressions that cannot be specified using the first interface, wherein, a developer can switch from the second interface to the first interface to observe the second view and the first view of the vision inspection system, respectively, during the inspection system specifying process.

Claims

1. A programming system for specifying vision inspection tools for a vision inspection system, the programming system comprising:

a processor;

a display screen for presenting interfaces to a developer; and

an input device for receiving information from the developer, the received information specifying the vision inspection system;

wherein the processor is programmed to provide;

(i) a first interface including a first view of the vision inspection system as the inspection system is being specified, the first interface usable to at least one of select, from a first tool subset, a first selected set of vision inspection tools to be used in the vision inspection system, and set tool properties in a first properties subset for each of a plurality of vision inspection tools; and

(ii) a second interface including a second view of the vision inspection system as the inspection system is being specified, the second interface usable to at least one of select, from a second tool subset, a second selected set of vision inspection tools to be used with the vision inspection system, and set tool properties in a second properties subset for each of the tools in the second tool subset, the second interface also usable to specify script expressions for the vision inspection system that cannot be specified using the first interface;

wherein, upon the selection of a first selected tool for one of the first and second selected sets of vision inspection tools using, respectively, one of the first and second interfaces, an instance of the first selected tool is added to the vision inspection system being specified;

wherein, upon the setting of a tool property for at least one tool included in one of the plurality of vision inspection tools and the second tool subset using, respectively, one of the first and second interfaces, a corresponding property of an associated vision inspection tool in the vision inspection system being specified is set;

wherein, the second interface and the first interface can be used to observe the second view and the first view of the vision inspection system, respectively, during the specifying of the vision inspection system;

wherein, at least a first subset of changes made to the vision inspection system using the first interface are represented as changes to the second interface and at least a second subset of changes made to the vision inspection system using the second interface are represented as changes to the first interface, the first subset of changes including, at least in part, one of the selection of the first selected set of vision inspection tools and the setting of tool properties in the first properties subset, the second subset of changes including, at least in part, one of the selection of the second selected set of vision inspection tools and the setting of tool properties in the second properties subset; and

wherein the first interface is a point-and-click interface and the second interface is a spreadsheet interface.

2. The system of claim 1 wherein the first interface is usable both to select the first selected set of vision inspection tools to be used with the vision inspection system from the first tool subset and to set the tool properties in the first properties subset for each of the tools in the first tool subset.

3. The system of claim 2 wherein the second interface can be used to expose and hide properties of an instance of a tool on the first interface.

4. The system of claim 2 wherein the second interface can be used to modify at least one of the first tool subset, the first properties subset, and values associated with the tool properties in the first properties subset.

5. The system of claim 4 wherein the second interface can be used to modify each of the first tool subset and the first properties subset.

6. The system of claim 4 wherein the second interface can be used to modify the first tool subset by at least one of adding a tool to the first tool subset and deleting a tool from the first tool subset.

7. The system of claim 1 wherein the first tool subset only includes a subset of the tools in the second tool subset.

8. The system of claim 7 wherein the second tool subset includes all of the tools available for specifying a vision inspection system.

9. The system of claim 1 wherein inspection program expressions and values corresponding to inspection tools included in the second tool subset are presented in cells of the spreadsheet interface.

10. The system of claim 9 wherein the spreadsheet interface specifies cell set templates for at least a templated subset of the inspection tools included in the second tool subset where, when an inspection tool of the templated subset is selected using either one of the first interface and the second interface, an instance of a cell set template associated with the selected inspection tool of the templated subset is added to the second view.

11. The system of claim 10 wherein at least a subset of the cell set templates include properties that may be accessed via the first interface and wherein the second interface can be used to render the properties accessible or inaccessible via the first interface.

12. The system of claim 1 wherein the second interface can be used to modify an existing tool and to store a new cell set template including cells that reflect changes to the existing tool, where the new cell set template can be used subsequently to instantiate another instance of a tool having properties consistent with the new cell set template.

13. The system of claim 1 wherein the second interface can be used to create a new vision inspection tool and to store a new cell set template including cells that specify the new tool, the second interface also usable to render the new tool accessible via the first interface.

14. The system of claim 1 wherein a first set of changes to a vision inspection system made using the second interface are represented in the first interface and a second set of changes to the vision inspection system made using the second interface do not alter the first interface.

15. The system of claim 1 wherein each change made to the vision inspection system using the first interface is represented in the second interface.

16. The system of claim 1 wherein the first and second interfaces are presented via the display screen independent of each other.

17. The system of claim 1 wherein the first and second interfaces are presented via the display screen at different times.

18. A programming system for specifying vision inspection tools for a vision inspection system, the programming system comprising:

a processor;

a display screen for presenting interfaces to a developer;

an input device for receiving information the developer, the received information specifying the vision inspection system;

the processor is programmed to provide;

(i) a first interface including a first view of the vision inspection system as the inspection system is being specified, the first interface usable to select, from a first tool subset, a first selected set of vision inspection tools to be used in the vision inspection system and to set tool properties in a first properties subset for each of the tools in the first tool subset; and

(ii) a second interface including a second view of the vision inspection system as the inspection system is being specified, the second interface usable to select, from a second tool subset, a second selected set of vision inspection tools to be used with the vision inspection system and to set tool properties in a second properties subset for each of the tools in the second tool subset, the second interface also usable to specify script expressions for the vision inspection system that cannot be specified using the first interface;

wherein, upon the selection of a first selected tool for one of the first and second selected sets of vision inspection tools, an instance of the first selected tool is added to a vision inspection system being specified;

wherein, upon the setting of a tool property for at least one tool included in one of the first and second tool subsets, a corresponding property of an associated vision inspection tool in the vision inspection system being specified is set;

wherein, the first interface and the second interface can be used to observe the first view and the second view of the vision inspection system, respectively, during the specifying of the vision inspection system;

wherein, the second view can be used to change the first tool subset and the first properties subsets, thereby changing the tools selectable and the properties settable via the first interface;

wherein, at least a subset of changes made to the vision inspection system using the first interface are represented as changes to the second interface in the second view; and

wherein the first interface is a point-and-click interface and the second interface is a spreadsheet interface.

19. The system of claim 18 wherein inspection program expressions and values corresponding to inspection tools included in the second tool subset are presented in cells of the spreadsheet interface.

20. The system of claim 19 wherein the spreadsheet interface specifies cell set templates for at least a templated subset of the inspection tools included in the second tool subset where, when an inspection tool of the templated subset is selected using either one of the second interface and the first interface, an instance of a cell set template associated with the selected inspection tool is added to the second view included in the spreadsheet interface.

21. The system of claim 20 wherein at least a subset of the cell set templates include properties that may be accessed via the first interface and wherein the second interface can be used to render the properties exposed or hidden via the first interface.

22. The system of claim 18 wherein the second interface can be used to modify the first tool subset by at least one of adding a tool to the first tool subset and deleting a tool from the first tool subset.

23. The system of claim 18 wherein the second interface can be used to modify an existing tool and to store a new cell set template including cells that reflect modifications to the existing tool, where the new cell set template can be used subsequently to instantiate another tool instance having properties consistent with the modified existing tool.

24. The system of claim 18 wherein each change made to the vision inspection system using the first interface is reflected in the second view of the inspection system.

25. The system of claim 18 wherein the first tool subset includes a subset of the tools in the second tool subset.

26. The system of claim 18 wherein the second tool subset includes all of the tools available for specifying the vision inspection system.

27. The system of claim 18 wherein the first and second interfaces are presented via the display screen independent of each other.

28. The system of claim 18 wherein the first and second interfaces are presented via the display screen at different times.

29. A method for specifying vision inspection tools for a vision inspection system, the method comprising the steps of:

providing a first interface including a first view of the vision inspection system as the inspection system is being specified, the first interface usable to at least one of select, from a first tool subset, a first selected set of vision inspection tools to be used in the vision inspection system, and set tool properties in a first properties subset for each of the tools in the first tool subset; and

providing a second interface including a second view of the vision inspection system as the inspection system is being specified, the second interface usable to at least one of select, from a second tool subset, a second selected set of vision inspection tools to be used with the vision inspection system and set tool properties in a second properties subset for each of a plurality of vision inspection tools, the second interface also usable to specify script expressions for the vision inspection system that cannot be specified using the first interface;

wherein, upon the selection of a first selected tool for one of the first and second selected sets of vision inspection tools using, respectively, one of the first and second interfaces, an instance of the first selected tool is added to the vision inspection system being specified;

wherein, upon the setting of a tool property for at least one tool included in one of the first and second tool subset using, respectively, one of the first and second interfaces, a corresponding property of an associated vision inspection tool in the vision inspection system being specified is set; and

allowing the second interface and the first interface to be used to observe the second view and the first view of the vision inspection system, respectively, during the specifying of the vision inspection system;

wherein at least a first subset of changes made to the vision inspection system using the first interface are represented as changes to the second interface and at least a second subset of changes made to the vision inspection system using the second interface are represented as changes to the first interface, the first subset of changes including, at least in part, one of the selection of the first selected set of vision inspection tools and the setting of tool properties in the first properties subset, the second subset of changes including, at least in part, one of the selection of the second selected set of vision inspection tools and the setting of tool properties in the second properties subset; and

wherein the first interface is a point-and-click interface and the second interface is a spreadsheet interface.

30. The system of claim 29 wherein the first and second interfaces are presented via the display screen independent of each other.

31. The system of claim 29 wherein the first and second interfaces are presented via the display screen at different times.

32. A method for specifying vision inspection tools for a vision inspection system, the method comprising the steps of:

providing a first interface including a first view of the vision inspection system as the inspection system is being specified, the first interface usable to select, from a first tool subset, a first selected set of vision inspection tools to be used in the vision inspection system and to set tool properties in a first properties subset for each of the tools in the first tool subset; and

providing a second interface including a second view of the vision inspection system as the inspection system is being specified, the second interface usable to select, from a second tool subset, a second selected set of vision inspection tools to be used with the vision inspection system and to set tool properties in a second properties subset for each of the tools in the second tool subset, the second interface also usable to specify script expressions for the vision inspection system that cannot be specified using the first interface; and

allowing the first interface and the second interface to be used to observe the first view and the second view of the vision inspection system, respectively, during the specifying of the vision inspection system;

wherein, upon the selection of a first selected tool for one of the first and second selected sets of vision inspection tools, an instance of the first selected tool is added to the vision inspection system being specified and, upon the setting of a tool property for at least one tool included in one of the first and second tool subsets, the property of an associated vision inspection tool in the vision inspection system being specified is set;

wherein, the second interface can be used to change the first tool subset and the first properties subsets, thereby changing the tools selectable and the properties settable via the first interface, respectively;

wherein, at least a subset of changes made to the vision inspection system using the first interface are represented as changes to the second interface; and

wherein the first interface is a point-and-click interface and the second interface is a spreadsheet interface.

33. The system of claim 32 wherein the first and second interfaces are presented via the display screen independent of each other.

34. The system of claim 32 wherein the first and second interfaces are presented via the display screen at different times.