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Thermal image processing device, thermal image processing module, thermal image processing method, and program

An image processing device and image processing technology, which can be used in image communication, television, closed-circuit television systems, etc., and can solve problems such as low resolution of thermal images.

Pending Publication Date: 2022-07-15
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the use of a cost-effective thermal image sensor, the detected thermal image may be of low resolution

Method used

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  • Thermal image processing device, thermal image processing module, thermal image processing method, and program
  • Thermal image processing device, thermal image processing module, thermal image processing method, and program
  • Thermal image processing device, thermal image processing module, thermal image processing method, and program

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Embodiment approach

[0073] [High frequency emphasis processing]

[0074] First, use figure 1 The oscillation that occurs by the high-frequency emphasis processing will be described. figure 1 It is a figure explaining the problem when the high frequency component of a thermal image is emphasized. figure 1 (a)~ figure 1 (c) of (c) shows the change in temperature when a line is drawn on the two-dimensional surface of the acquired thermal image, and the temperature of each pixel on the line (that is, the luminance value of the image) is taken on the horizontal axis. in addition, figure 1 (a) of (a) represents the actual situation in which the thermal image was acquired, and corresponds to the ideal thermal image that should have been acquired.

[0075] as in figure 1 As indicated by the dotted circle in (a), the original temperature forms an edge that bends and connects from a high temperature portion to a low temperature portion. However, as explained above, due to the deterioration characteri...

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Abstract

A thermal image processing device (100) is provided with: an acquisition unit (11) that acquires a thermal image from a thermal image sensor (101); a first processing unit (12) that performs image processing for lowering the temperature indicated by a high-temperature pixel, which indicates a temperature higher than a first temperature, among a plurality of pixels included in the acquired thermal image; and a second processing unit (13) that performs, on a transformed image, which is the image-processed thermal image, high-frequency enhancement processing for enhancing a high-frequency component included in the transformed image.

Description

technical field [0001] The present disclosure relates to a thermal image processing device, a thermal image processing module, a thermal image processing method and a program. Background technique [0002] Conventionally, there has been known a technique for controlling a device based on a thermal image detected by a thermal image sensor. Since a thermal image sensor suitable for cost is used, the detected thermal image may be of low resolution. In this regard, for example, as disclosed in Patent Document 1, a method of obtaining a thermal image with an expanded spatial resolution by super-resolution processing is known. [0003] prior art literature [0004] Patent Literature [0005] Patent Document 1: Japanese Patent Laid-Open No. 2014-022845 SUMMARY OF THE INVENTION [0006] The problem to be solved by the invention [0007] In addition, the super-resolution processing may include high-frequency emphasis processing for emphasising high-frequency components include...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/18H04N5/232
CPCH04N7/18H04N23/23H04N23/815G06T2207/10048G01J2005/0077G01J5/0025G01J5/80G01J5/025G06T5/73G06T5/90G06T7/11G01J5/485H04N5/33
Inventor 野坂健一郎米田亚旗式井慎一吉冈元贵
Owner PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD