System and method for refining dimensions of a generally cuboidal 3D object imaged by 3D vision system and controls for the same

A system for setting up a vision system to analyze and determine dimensions of cuboidal objects passing on a moving surface through a scene imaged by a 3D camera assembly with an image sensor, the system comprising:

• a user interface process that drives a user interface with a plurality of interface screens for setup and runtime operation of the system, at least one of the interface screens providing a setup display for determining optimal distance between the image sensor and the conveyor surface based upon parameters of the camera assembly, speed of the moving surface and width of the moving surface and a range of minimum and maximum size measurements for the object;
• and
• a vision system processor associated with the 3D camera assembly having,
• an identification module, associated with the vision system processor, that automatically identifies a 3D region in the 3D image that contains the cuboidal object,
• a selection module, associated with the vision system processor, that automatically selects 3D image data from the 3D image that corresponds to approximate faces or boundaries of the cuboidal object,
• an analysis module that statistically analyzes, and generates statistics for, the selected 3D image data that correspond to approximate cuboidal object faces or boundaries, and
• a refinement module, responsive to the analysis module, that chooses statistics that correspond to improved cuboidal dimensions from among cuboidal object length, width and height, the improved cuboidal dimensions being provided as dimensions for the object.

A system for setting up a vision system to analyze and determine dimensions of cuboidal objects passing on a moving surface through a scene imaged by a 3D camera assembly with an image sensor, the system comprising:

• a user interface process that drives a user interface with a plurality of interface screens for setup and runtime operation of the system, at least one of the interface screens providing a setup display for determining optimal distance between the image sensor and the conveyor surface based upon parameters of the camera assembly, speed of the moving surface and width of the moving surface and a range of minimum and maximum size measurements for the object;
• and
• a vision system processor associated with the 3D camera assembly having,
• an identification module, associated with the vision system processor, that automatically identifies a 3D region in the 3D image that contains the cuboidal object, and
• a selection module, associated with the vision system processor, that automatically selects 3D image data from the 3D image that corresponds to approximate faces or boundaries of the cuboidal object.

A system for setting up a vision system to analyze and determine dimensions of cuboidal objects passing on a moving surface through a scene imaged by a 3D camera assembly with an image sensor, the system comprising:

• a user interface process that drives a user interface with a plurality of interface screens for setup and runtime operation of the system, at least one of the interface screens providing a setup display for determining optimal distance between the image sensor and the conveyor surface based upon parameters of the camera assembly, speed of the moving surface and width of the moving surface and a range of minimum and maximum size measurements for the object;
• and
• a vision system processor associated with the 3D camera assembly, comprising:
• an identification module, associated with the vision system processor, that automatically identifies a 3D region in the 3D image that contains the cuboidal object,
• a selection module, associated with the vision system processor, that automatically selects 3D image data from the 3D image that corresponds to approximate faces or boundaries of the cuboidal object,
• an analysis module that statistically analyzes, and generates statistics for, the selected 3D image data that correspond to approximate cuboidal object faces or boundaries;
• and
• a refinement module, responsive to the analysis module, that chooses statistics that correspond to improved cuboidal dimensions from among cuboidal object length, width and height, the improved cuboidal dimensions being provided as dimensions for the object.