Method for rapidly visualizing graphical text information on handheld display device

A technology of text information and display equipment, applied in the field of data visualization, can solve the problems of lack of data visualization methods and devices, and achieve the effect of enriching data acquisition channels, effective data dissemination, and good dissemination

Inactive Publication Date: 2017-03-29
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] To sum up, there is currently no effective me

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  • Method for rapidly visualizing graphical text information on handheld display device
  • Method for rapidly visualizing graphical text information on handheld display device
  • Method for rapidly visualizing graphical text information on handheld display device

Examples

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Example Embodiment

[0045] The present invention will be described in detail below with reference to the drawings.

[0046] The fast visualization method for graphic text information of a palm display device in this embodiment,

[0047] Such as figure 1 As shown, including the following steps:

[0048] Step 1: Use a smart phone to obtain textual information in pictures:

[0049] Take a picture of the textual information with the smartphone to obtain the original picture with the text information, such as figure 2 As shown, copy data from the physical world to the phone storage;

[0050] Step 2: Use OCR technology to recognize the characters in the obtained picture. The specific process is as follows:

[0051] First, the user uploads the pictures obtained by taking pictures to the cloud server; then, the server uses OpenCV (Open Source Computer Vision Library, a cross-platform computer vision library) to correct the pictures (righten the position of the characters and improve the character Clarity, etc.) t...

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Abstract

The invention provides a method for rapidly visualizing graphical text information on a handheld display device. The method comprises following steps: (1) obtaining an image carrying text information through a handheld display device; (2) converting the graphical text information in step (1) into digitalized text information to obtain isolated character segments; (3) selecting expected character segments from the isolated character segments obtained in step (2) by a user, and corresponding the selected character segments with expected dimensions; (4) graphically visualizing the dimensions obtained in step (3) and corresponding data. The method of the invention fills the blank in the research field of rapidly visualizing graphical text information; the method makes it possible for more people to use visualization tools to accelerate the understanding of data and to better propagate data; at the same time, the method also enriches the channels for us to obtain data so that more real-world data becomes readily available.

Description

technical field [0001] The invention relates to the technical field of data visualization, in particular to a fast visualization method for pictorial text information of a handheld display device. Background technique [0002] In our daily life, we come across a lot of pictorial text information, such as nutritional information on milk packaging, articles in books, and phone bill package information on posters in mobile business halls. It is usually inefficient to directly obtain the effective information in the text by reading the text, especially when multiple data are compared with each other. [0003] Visualization is one of the most effective tools to solve such problems. Visualization is the theory, method and method of using computer graphics and image processing technology to convert data into graphics or images and display them on the screen for interactive processing. technology. It involves many fields such as computer graphics, image processing, computer vision...

Claims

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Application Information

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IPC IPC(8): G06F17/30G06F3/0488G06K9/32
CPCG06F3/04883G06F16/904G06V30/1478G06V20/62G06V30/10
Inventor 陈为朱标张宏鑫
Owner ZHEJIANG UNIV
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