A dimensioning system that analyzes a distance map for null-data pixels to provide feedback is disclosed. Null-data pixels correspond to missing range data and having too many in a distance map may lead to dimensioning errors. Providing feedback based on the number of null-data pixels helps a user u
A dimensioning system that analyzes a distance map for null-data pixels to provide feedback is disclosed. Null-data pixels correspond to missing range data and having too many in a distance map may lead to dimensioning errors. Providing feedback based on the number of null-data pixels helps a user understand and adapt to different dimensioning conditions, promotes accuracy, and facilitates handheld applications.
대표청구항▼
1. A method for obtaining a dimension measurement using a dimensioner, the method comprising: receiving range data from a dimensioning subsystem;creating a distance map from the range data;determining a null data pixel-count from the distance map, the null-data pixel-count comprising a sum total of
1. A method for obtaining a dimension measurement using a dimensioner, the method comprising: receiving range data from a dimensioning subsystem;creating a distance map from the range data;determining a null data pixel-count from the distance map, the null-data pixel-count comprising a sum total of null-data pixels; andcomputing a dimension measurement if the null-data pixel-count is at or below a threshold count, orgenerating an error feedback if the null-data pixel-count is above the threshold count;wherein each of the receiving, creating, determining, computing, and generating steps are performed using one or more processors. 2. The method according to claim 1, wherein the distance map comprises a digital image of the dimensioner's field-of-view, wherein the digital-image's pixel values correspond to the distance between the dimensioner and an object or objects in the field-of-view. 3. The method according to claim 2, wherein the distance map's null-data pixels comprise a single pixel value, the single pixel value indicating that a range measurement for a pixel was not possible. 4. The method according to claim 1, comprising generating a confidence feedback if the distance map's null-data pixel-count is below the threshold count. 5. The method according to claim 4, wherein the confidence feedback comprises a visible image of the dimensioner's field-of-view and a wireframe rendering of an object, the wireframe rendering displayed with the visible image. 6. The method according to claim 4, wherein the confidence feedback comprises an indication of a confidence value, the confidence value corresponding to the null-data pixel count. 7. The method according to claim 4, wherein the confidence feedback comprises an indication of the dimension measurement's conformance to a standard. 8. The method according to claim 1, comprising generating a user-guidance feedback if the null-data pixel-count is above the threshold count. 9. The method according to claim 8, wherein the user-guidance feedback comprises information to facilitate the adjustment of a measurement geometry. 10. The method according to claim 8, wherein the user-guidance feedback comprises information to facilitate the adjustment of lighting. 11. The method according to claim 8, comprising repeating the receiving, creating, determining, and generating until the distance map's null-data pixel-count is at or below the threshold count then computing a dimension measurement. 12. The method according to claim 1, wherein the error feedback comprises audio feedback. 13. The method according to claim 1, wherein the error feedback comprises illuminated indicators and/or graphics displayed by the dimensioner. 14. The method according to claim 1, wherein the error feedback comprises an indication that the object color is too dark or that the lighting is insufficient. 15. A dimensioning system configured to provide error feedback, the dimensioning system comprising: a dimensioning subsystem comprising at least one image sensor for capturing range data of an object or objects within a field-of-view; anda control subsystem communicatively coupled to the at least one image sensor, the control subsystem comprising at least one processor and at least one non-transitory storage medium for storing information and processor-executable instructions, wherein the processor-executable instructions configure the processor to:(i) receive range data from the dimensioning subsystem, (ii) create a distance map from the range data, (iii) process the distance map to obtain a distance-map quality, and (iv) generate an error feedback if the distance-map quality is below a minimum-quality threshold;wherein the distance-map quality comprises a sum of the number of pixels in the distance map having insufficient information to determine distance. 16. The dimensioning system according to claim 15, wherein the dimensioning subsystem comprises a pattern projector, the pattern projector projecting a light pattern on the object or objects in the field-of-view. 17. The dimensioning system according to claim 15, wherein the error feedback comprises user guidance information to facilitate the repositioning of the dimensioner to capture range data having an improved distance-map quality. 18. The dimensioning system according to claim 15, comprising a user-interface subsystem for displaying dimension measurements and the error feedback. 19. The dimensioning system according to claim 15, comprising a communication subsystem for transmitting and receiving information to/from a computing device and/or a storage device.
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