Method and device for creating an improved colour image with a sensor with a colour filter

一种图像处理装置、色滤器的技术，应用在彩色电视的零部件、彩色电视、图像通信等方向，能够解决逻辑单元使用率低等问题

Active Publication Date: 2016-01-13
BASLER AG
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In the case of FPGAs, this results in low utilization of one logic cell, which is beneficial to allow the use of inexpensive FPGAs or to free up more available FPGA free logic cells for other functions

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  • Method and device for creating an improved colour image with a sensor with a colour filter
  • Method and device for creating an improved colour image with a sensor with a colour filter
  • Method and device for creating an improved colour image with a sensor with a colour filter

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Embodiment Construction

[0063] According to the following embodiments, a digital industrial camera with improved and more efficient image processing is described. Both single-color monochrome cameras and multi-color color cameras are used as digital industrial cameras. Color images are usually recorded by using so-called mosaic filters with a Bayer pattern.

[0064] image 3 a to 3b show schematic diagrams of Bayer patterns. In this case, the normal mode of the red, green, and blue filters follows image 3 a are arranged on the pixels such that each pixel is only sensitive to its own color. In this way, the signals contributed by the pixels correspond to the intensities of the individual color components of the incident light. A pixel with a red color filter is called a red pixel (R), a pixel with a green color filter is called a green pixel (G), and correspondingly, a pixel with a blue color filter is called a blue pixel. pixel (B). In the Bayer pattern, the number of green pixels (G) is twice...

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Abstract

The invention relates to an image processing device for processing image data from a digital camera comprising an image sensor with a regular pixel arrangement and an associated colour filter with a predetermined colour pattern. Said image processing device (133) is designed to carry out all image processing operations with respect to a pixel (130) of interest using image data from a single predetermined environment (131) comprising several pixels.

Description

technical field [0001] The invention relates to a camera image generating device and method, in particular to a digital industrial camera with a color filter sensor. Background technique [0002] In industrial environments, digital cameras are often used to monitor production processes, machines or objects. These industrial cameras are used for simple monitoring functions and metrology tasks, e.g. quality control via image processing. Their ability to be integrated into a layout and their high image quality are remarkable. [0003] A Bayer sensor is the name of a sensor covered with a colored filter, similar to a checkerboard filter. In most cases, Bayer sensors include 50% green, 25% each of red and blue. In this case, it is assumed that the human eye responds more sensitively to green than to other colors. Traditional CCD sensors in many digital cameras and digital video cameras employ the concept of a Bayer matrix (or Bayer pattern). The "Bayer" matrix or "Bayer" fil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T3/40
CPCG06T7/90G06T3/4015H04N23/843H04N25/134G06T3/4007G06T7/0004H04N2209/046G06T2207/10024G06T2207/30108G06T5/73
Inventor J·孔泽
Owner BASLER AG
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