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Instant image definition improving method

A technology of image clarity and pixels, which is used in optical testing flaws/defects, instruments, measuring devices, etc., and can solve problems such as increased image distortion rate, poor output image clarity, and poor image clarity.

Inactive Publication Date: 2020-06-23
CREATIVE SENSOR INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when a rectangular pixel sensing unit is used, the data of other rows except the target row will be additionally sensed during the row scanning process, and the data of different rows will interfere with each other, which cannot be optimized, eventually resulting in The clarity of the output image will be degraded
Furthermore, if the post-compensation or correction method is used, it will not only consume more time and manpower, but also easily increase the image distortion rate
[0005] For this reason, how to design a method for instant image clarity improvement to solve the aforementioned technical problem of final output image clarity degradation is an important topic studied by the inventor of this case.

Method used

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Embodiment Construction

[0041] The implementation of the present invention will be described below through specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific examples, and various modifications and changes can be made to the details in the description of the present invention based on different viewpoints and applications without departing from the spirit of the present invention.

[0042] It should be noted that the structure, proportion, size, number of components, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the present invention Implementable restrictions, so it has no technical substantive meaning, any m...

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Abstract

An instant image definition improving method is applied to a linear scanning camera with a plurality of rectangular pixel sensing units, and comprises the following steps: enabling the plurality of rectangular pixel sensing units to move in a scanning direction, and simultaneously capturing row pixel values of at least three rows in an image of an object to be detected; judging whether the targetrow belongs to the first row of the image of an object to be detected or not so as to determine that the output row pixel value or the compensation operation value is an output value;

Description

technical field [0001] The invention relates to a definition improvement method, in particular to a method applied to a line scan camera and capable of instantly improving image definition. Background technique [0002] Automated optical inspection (AOI) is a high-speed and high-precision optical image inspection system, which uses machine vision as the inspection standard technology to improve the shortcomings of traditional manual inspection using optical instruments. Generally speaking, after the object to be tested (such as a semiconductor chip) is manufactured, it must go through an inspection process, using an automatic optical inspection device to detect the appearance of the object to be tested, and screen out objects with obvious defects in appearance. Specifically, the automatic optical inspection is carried out by the operation of the optical inspection machine. During the inspection process, the object to be inspected is irradiated with light, and then the image ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/88
CPCG01N21/8851G01N2021/8887
Inventor 许立诚陈建龙
Owner CREATIVE SENSOR INC