Shopping environment analysis system and method with normalization

• US 7,606,728 B2
• Filed: 09/19/2003
• Issued: 10/20/2009
• Est. Priority Date: 09/20/2002
• Status: Active Grant

• Current Assignee: Kantar Retail, LLC
• Original Assignee: Sorensen Associates LLC (TNS Group Holdings Ltd.)
• Inventors: Sorensen, Herb
• Primary Examiner(s): Boswell; Beth V
• Assistant Examiner(s): Anderson; Folashade
• Application Number:
  US10/667,213
• Publication Number:
  US 20040111454A1
• Time in Patent Office: 2,223 Days
• Field of Search: None
• US Class Current: 705/7.29
• CPC Class Codes: G06Q 30/02 Marketing; Price estimation or determination; Fundraising
• CPC Class Codes: G06Q 30/0201 Market modelling; Market analysis; Collecting market data

Abstract

A system and method are provided for analyzing a shopping environment. The method typically includes tracking a plurality of paths of a plurality of persons in the shopping environment, and recording corresponding path data. The method further may include normalizing path data for each path by use of a predetermined normalization function, and calculating a predetermined statistical measure of the normalized shopping data. The method also may include producing output based upon the predetermined statistical measure.

Claims

1. A computer-implemented method comprising analyzing shopper data from a plurality of different shopping environments having different sizes and shapes by:

tracking a plurality of paths of a plurality of persons in each of the plurality of shopping environments, via a shopper tracking module executed on a computing device and an associated tracking system installed in each shopping environment;

recording corresponding path data indicating the plurality of paths from the different shopping environments, in a database associated with the computing device, wherein the path data for each path includes position data representing a series of tracked positions of a person in the shopping environment, and associated time data representing a corresponding series of times at which the person was tracked in each position;

normalizing the path data for each path by use of a predetermined normalization function to convert path position data from the different shopping environments into a common physical frame of reference, thereby producing normalized position data for the paths from the different shopping environments, by a normalization module executed on the computing device, wherein normalizing further includes determining a standardized shopping environment including sectors and/or standardized shopping environment dimensions, and converting the path data from each of the plurality of shopping environments to the standardized shopping environment by scaling the path position data to the standardized shopping environment dimensions and/or sectors;

calculating a predetermined statistical measure of a predetermined shopper behavior or non-shopper behavior from the normalized path data, by a statistical calculation module executed on the computing device, wherein calculating includes examining normalized path data of one or more paths from each of the shopping environments to determine the predetermined statistical measure; and

producing an output indicating the predetermined statistical measure of the shopper behavior or the non-shopper behavior calculated from the normalized path data from the plurality of shopping environments, by the computing device.

2. The method of claim 1, wherein the step of normalizing includes time adjusting the time data for each path to a common time reference.

3. The method of claim 2, wherein the step of time adjusting further includes the step of time shifting the time data for each path to a common starting time.

4. The method of claim 2, wherein the step of time adjusting further includes the step of time scaling the time data for each path to a common duration.

5. The method of claim 1, wherein each of the plurality of shopping environments has a longitudinal dimension and a length, a lateral dimension and a width, and the position data for each path includes a plurality of longitudinal and lateral coordinate values, and the step of converting the position data to a standardized frame of reference further includes dividing each longitudinal coordinate value by the length for the corresponding shopping environment, and dividing each lateral coordinate value by the width for the corresponding shopping environment.

6. The method of claim 1, further comprising establishing a calibration for the time data and a calibration for the position data.

7. The method of claim 1, wherein the predetermined normalization function includes determining a proportion of the path completed.

8. The method of claim 7, wherein the proportion is calculated with respect to a distance traveled by the person along the path.

9. The method of claim 7, wherein the proportion is calculated with respect to a time elapsed while the person traveled the path.

10. The method of claim 7, wherein the proportion is calculated with respect to cumulative purchases made while the person traveled the path.

11. The method of claim 1, wherein the step of calculating includes calculating a master path based on a plurality of the paths tracked in the shopping environment.

12. The method of claim 11, wherein the shopping environment has a longitudinal dimension, and each path has a plurality of longitudinal coordinate values, and wherein the calculation of the master path includes averaging longitudinal coordinate values of corresponding points of each path to obtain corresponding average longitudinal coordinate values.

13. The method of claim 11, wherein the shopping environment has a lateral dimension, and each path has a plurality of lateral coordinate values, and wherein the calculation of the master path includes averaging lateral coordinate values of corresponding points of each shopping path to obtain corresponding average lateral coordinate values.

14. The method of claim 1, wherein the step of calculating includes calculating density of a plurality of persons tracked throughout at least a portion of one or more shopping environments.

15. The method of claim 14, wherein the density is based on normalized data received from a plurality of shopping environments.

16. The method of claim 1, wherein the step of calculating includes calculating flow of a plurality of persons traveling throughout at least a portion of one or more shopping environments.

17. The method of claim 16, wherein the flow is based on normalized data received from a plurality of shopping environments.

18. The method of claim 16, wherein the shopping environment has a longitudinal dimension and a lateral dimension, and each shopping path has a plurality of longitudinal coordinate values and a plurality of lateral coordinate values, and wherein the step of calculating further includes, for each shopping path, associating with each selected time a velocity.

19. The method of claim 1, wherein the step of calculating includes calculating shopping intensity of a plurality of shoppers traveling throughout at least a portion of a shopping environment.

20. The method of claim 19, wherein the shopping intensity is based on normalized product purchase data received from a plurality of shopping environments.

21. The method of claim 1, wherein the shopping environment is partitioned into five sectors.

22. The method of claim 21, wherein the shopping environment has four sides, four corners, and a center, four of the sectors are substantially trapezoidal in shape having two sloping sides and a longer and a shorter of two substantially parallel sides, and the remaining sector is substantially rectangular in shape and having four sides and a center, the sloping sides of the four substantially trapezoidal sectors coinciding with segments of diagonal lines from opposite corners of the shopping environment, the longer of the two substantially parallel sides of each substantially trapezoidal sector coinciding with a side of the shopping environment, and the shorter of the two substantially parallel sides of each substantially trapezoidal sector forming a side of the remaining, substantially rectangular, sector, with the center of the substantially rectangular sector coincident with the center of the shopping environment.

23. The method of claim 1, wherein the shopper behavior is visiting a predetermined region of the shopping environment corresponding to the sector of the standardized shopping environment.

24. The method of claim 1, wherein the shopper behavior is slowing below a predetermined threshold speed in a predetermined region of the shopping environment corresponding to the sector of the standardized shopping environment.

25. The method of claim 1, wherein the shopper behavior is purchasing a product from a predetermined region of the shopping environment corresponding to the sector of the standardized shopping environment.

26. The method of claim 1, wherein the non-shopper behavior is visiting a predetermined region of the shopping environment corresponding to the sector of the standardized shopping environment.

27. The method of claim 1, wherein the step of calculating a predetermined statistical measure further includes determining a best fit ellipse to encompass a predetermined percentage of the shopper behavior or non-shopper behavior.

28. The method of claim 1, wherein the predetermined statistical measure is percentage of trip completion.

29. The method of claim 28, wherein the output includes a contour plot of percentage of trip completion for a plurality of paths.

30. The method of claim 1, wherein the step of calculating further includes the steps of:

calculating a length of the shopping path;

smoothing the shopping path to obtain a smoothed path;

calculating a length of the smoothed path; and

comparing the length of the smoothed path with the length of the shopping path.

31. The method of claim 1, wherein the plurality of persons include a plurality of shoppers.

32. The method of claim 1, wherein the plurality of persons includes a plurality of non-shoppers.

33. The method of claim 1, wherein the plurality of persons includes shoppers and non-shoppers, and the step of calculating a statistical measure includes calculating a statistical measure based on shopper path data and non-shopper path data, the method further comprising, comparing the calculated statistical measures of the shoppers and non-shoppers.

34. A system for use in analyzing a shopping environment, the system comprising:

a computing device including a processor and memory holding instructions executable by the processor, when executed by the processor, the instructions causing the computing device to receive path data corresponding to a plurality of persons tracked in a plurality of shopping environments of different shapes and sizes, the path data including position data and time data, the instructions including an analysis program having a normalization module and a statistical calculation module;

wherein the normalization module is configured to convert the path data to a common time frame of reference and a common physical frame of reference, to thereby produce normalized path data based on the path data from the plurality of shopping environments of different shapes and sizes; and

wherein the statistical calculation module is configured to calculate a predetermined statistical measure based on the normalized path data to be output by the computing device.

35. The system of claim 34, further comprising a shopper tracking module configured to receive shopper path data from a tracking system.

36. The system of claim 35, wherein the tracking system includes sensors configured to track shopper tags throughout each of the shopping environments, to thereby produce the shopper path data.

37. The system of claim 34, further comprising a non-shopper tracking module configured to receive non-shopper path data from a tracking system.

38. The system of claim 37, wherein the tracking system includes sensors configured to track non-shopper tags throughout each of the shopping environments, to thereby produce the non-shopper path data.

39. The system of claim 34, further comprising a product tracking module configured to receive product path data from a tracking system.

40. The system of claim 39, wherein the tracking system includes sensors configured to track product tags throughout each of the shopping environments, to thereby produce the product path data.

41. The system of claim 34, further comprising an environment tracking module configured to receive movable fixture path data from a tracking system.

42. The system of claim 41, wherein the tracking system includes sensors configured to track environment tags throughout each of the shopping environments, to thereby produce the movable fixture path data.

43. The system of claim 34, wherein the predetermined statistical measure is selected from the group consisting of average shopper depth, average shopper right-left position, average shopper path, average shopper density, average shopper velocity, shopping intensity, percent of trip completed, average non-shopper depth, average non-shopper right-left position, average non-shopper path, average non-shopper density, average non-shopper velocity.