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Information processing apparatus, information processing system and information processing method

An information processing device and information processing method technology, applied in image data processing, image analysis, instruments, etc., can solve problems such as inability to detect text

Active Publication Date: 2016-03-09
KK TOSHIBA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, if the above-mentioned character detection method is adopted, there are disadvantages as follows: the characters need to be described in a known frame, and when the characters are described in a frame of an unknown shape, it cannot be stabilized from the image and Robustly detect text

Method used

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  • Information processing apparatus, information processing system and information processing method
  • Information processing apparatus, information processing system and information processing method
  • Information processing apparatus, information processing system and information processing method

Examples

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Deformed example 1

[0106] In the above-mentioned embodiment, the case where five character deformation hypotheses 401 to 405 respectively corresponding to elevation angle regions A to E are defined as character deformation hypotheses has been described, but the number of defined character deformation hypotheses may not be One for each elevation zone. Such as Image 6 As shown, since the apparent shapes of the characters are the same when viewed from the directly above, directly below, and directly in front directions, they can be classified into nine types. Therefore, the apparent shapes of these nine types of characters can also be defined as character deformation hypotheses.

[0107] In this case, as Figure 14 As shown, the elevation angle area A corresponds to one text deformation hypothesis 415, the elevation angle area B corresponds to three text deformation hypotheses 411-413, the elevation angle area C corresponds to three text deformation hypotheses 414-416, and the elevation angle ar...

Deformed example 2

[0109] In the above-mentioned embodiment, the case where five elevation angle areas A to E are defined as the elevation angle areas corresponding to the elevation angle values ​​acquired by the elevation angle acquisition unit 12 has been described, but the number of defined elevation angle areas may not be 5. For example, four new elevation angle areas may be defined at the boundary portions of the respective elevation angle areas A to E.

[0110] Specifically, as Figure 15 As shown, a new elevation area AB can be defined between elevation area A and elevation area B, a new elevation area BC can be defined between elevation area B and elevation area C, and a new elevation area can be defined between elevation area C and elevation area D The elevation angle area CD is defined between the elevation angle area D and the elevation angle area E to define a new elevation angle area DE. Such as Figure 15 As shown, in the case where nine elevation angle areas are defined, the co...

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Abstract

Disclosed are an information processing apparatus, an information processing system and an information processing method. Embodiments of the invention relate to an information processing apparatus, an information processing system and an information processing method. According to one embodiment, an information processing apparatus determines how an apparent shape of a character in an input image changes on the basis of an acquired elevation angle. And the information processing apparatus selects a character detection dictionary corresponding to the determined apparent shape of the character after how the apparent shape of the character in theinput image changes is determined. The information processing apparatus uses the selected character detection dictionary, executes character detection processing on the input image and detects an area where the character exists in the image.

Description

[0001] This application is based on Japanese patent application 2014-171848 (filing date: August 26, 2014), and enjoys priority rights based on this application. This application incorporates the entire contents of this application by referring to this application. technical field [0002] Embodiments of the present invention relate to an information processing device, an information processing system, and an information processing method. Background technique [0003] Generally, when detecting characters written on a signboard, a sign, or a paper surface from an image captured by a camera, the appearance of the characters in the image depends on the difference between the character surface on which the characters are written and the viewpoint position of the camera. Since the shape is variously deformed (for example, due to projection deformation), there is a disadvantage that it is difficult to stably and robustly detect characters from an image. [0004] Therefore, in or...

Claims

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Application Information

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IPC IPC(8): G06K9/32G06V30/10G06V30/244
CPCG06V30/1478G06V20/62G06V20/63G06V30/244G06V30/10G06V30/1475G06V30/1607G06T7/60
Inventor 铃木薰登内洋次郎柴田智行三原功雄
Owner KK TOSHIBA
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