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Linear array camera with high frame rate based on area array image sensor and implementation method thereof

An image sensor and industrial camera technology, which is applied in image communication, color TV parts, TV system parts, etc., can solve the problems of insufficient resolution coverage and high integration cost of line scan detection systems, and achieve rich models and high The effect of frame rate and high line scan

Active Publication Date: 2018-11-16
BEIJING DAHENG IMAGE VISION +1
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Problems solved by technology

[0007] Aiming at the serious shortage of line scan industrial camera resolution coverage in the prior art and the high integration cost of the line scan detection system, the need to set up independent cables and acquisition cards

Method used

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  • Linear array camera with high frame rate based on area array image sensor and implementation method thereof
  • Linear array camera with high frame rate based on area array image sensor and implementation method thereof
  • Linear array camera with high frame rate based on area array image sensor and implementation method thereof

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Embodiment Construction

[0031] The present invention will be described in detail below with reference to the accompanying drawings and the embodiments thereof, but the protection scope of the present invention is not limited to the scope described in the embodiments.

[0032] The invention provides a method for realizing a line-scan industrial camera by using an area scanning image sensor, and provides a corresponding structure of the industrial camera.

[0033] Line scan cameras in industrial applications have high requirements for scanning frame rates. The existing area scan cameras are packaged, and the scan frame rates that can be achieved are very limited. This is because the existing area scan cameras, which The amount of data is large and it is only necessary to cache a large amount of data and also need to transmit these data in time, so the improvement of frame rate is severely limited, which also limits the application of area scan cameras to the line array field by those skilled in the art....

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Abstract

The present invention discloses a linear array camera with a high frame rate based on an area array image sensor and an implementation method thereof. The linear array camera with a high frame rate comprises: an area array image sensor, a microcontroller, a collection timing sequence generation module, a window cutting module, an image cache module, an image stitching module and an interface module. The resolution ratio of a linear array industrial camera is not influenced by the resolution ratio of a linear scanning image sensor, and rich area scanning sensors can be suitable for a linear array industrial camera. The area scanning sensors with low cost are rich in models to reduce the cost of the linear array industrial camera. The linear array camera with a high frame rate based on the area array image sensor and the implementation method thereof can effectively replace the separator scheme of a linear array camera+a cable+an image collection card with a high cost.

Description

technical field [0001] The invention relates to the field of imaging, in particular to a low-cost, high-performance line-scan industrial camera and a realization method thereof. Background technique [0002] According to the sensor scanning method, industrial cameras are divided into two categories: area-scan industrial cameras and line-scan industrial cameras. Line-scan industrial cameras use line-scan image sensors, and area-scan cameras use area-scan image sensors. [0003] The existing line scan industrial cameras all use line scan image sensors, because of their relatively narrow application fields, there are few optional models of line scan image sensors, and the resolution of line scan image sensors is also very small, and the mainstream sensors only cover 1k / 2k / 4k / 8k and other exponential resolutions of 2, the intermediate resolutions are rarely covered. For example, some non-standard inspections require a resolution of 5120 pixels, and have to choose a higher 8k p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/225H04N5/232
CPCH04N23/45H04N23/60
Inventor 张强宋伟铭周中亚
Owner BEIJING DAHENG IMAGE VISION
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