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A Visual Method for Comparison of Eye Tracking Pattern Recognition Based on Matrix Structure

A technology of eye tracking and pattern recognition, applied in the field of pattern recognition, can solve the problems of large, scattered and complex data, and achieve the effect of improving the visualization effect

Active Publication Date: 2022-04-26
依睿迪亚(南京)智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the behavior of eye movement is quite complex, the data is huge and scattered, and there are relatively few data processing application software

Method used

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  • A Visual Method for Comparison of Eye Tracking Pattern Recognition Based on Matrix Structure
  • A Visual Method for Comparison of Eye Tracking Pattern Recognition Based on Matrix Structure
  • A Visual Method for Comparison of Eye Tracking Pattern Recognition Based on Matrix Structure

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Embodiment Construction

[0031] In order to describe the technical solutions disclosed in the present invention in detail, further elaboration will be made below in conjunction with specific embodiments and the accompanying drawings.

[0032] The method adopted by the technical solution provided by the present invention uses physical knowledge as an analogy, selects one group of data as "hot group" (i.e. a group expressed with warm colors), and another group is "cool group" (expressed with cool colors), and its Locate "ambient temperature" with the image section. The reason for expressing with warm and cool colors is to clearly distinguish the difference between the two groups. These properties then dissipate or interact, just like these physical concepts of hot and cold. This approach enables the visualization of data comparisons.

[0033] The most common form of eye movement data is gaze time and location. That is: the time and orientation of the point of focus of the eyes when viewing an image / v...

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PUM

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Abstract

The invention discloses a visual method for eye tracking pattern recognition and comparison based on a matrix structure, comprising the following steps: (1) preparing a heat map A of a set of data; (2) establishing a heat map B of a second set of data; 3) Create a new matrix C, the combination of each point in which is a kind of linear algebra. Although the points in the matrix are generally not negative, the interval of matrix C is [‑1,1]. (4) Create an image, and then use one color to gradually fix the negative value in the matrix C, and use another strong contrasting color to fix the positive value. The invention discloses a new type of visualization method, which presents and compares two sets of data at the same time through a "heat difference map", so that the visualization effect of this multi-layer data can be displayed more intuitively.

Description

technical field [0001] The invention belongs to pattern recognition, and in particular relates to a visualization method for eye-tracking pattern recognition and comparison based on a matrix structure. Background technique [0002] Heat maps are a common way to present fixed-point distribution data. In particular, the intensity (hot spot) is plotted with each data point, the greater the intensity, the more punctuated it is, and its coverage also seems to radiate into nearby areas, like thermal radiation. Intensity values ​​are represented by different colors. It is a way to lock down patterns in the visualization of spatially located data. Essentially, an intensity ("heat") is applied to each data point to render its scale, and the intensity is scattered to nearby regions, similar to how it dissipates as heat. The magnitude of the intensity value is represented by an appropriate color shading gradient. [0003] Eye tracking is a method of gathering information about the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/26G06F17/16
CPCG06F16/26G06F17/16
Inventor 拉里
Owner 依睿迪亚(南京)智能科技有限公司
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