Small target image processing device

An image processing device and small target technology, applied in the field of image processing, can solve problems such as performance not reaching target detection, achieve the effect of reducing the influence of noise, strong real-time performance, and reducing the number of pixels

Active Publication Date: 2013-09-18
SHENZHEN UNIV
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Problems solved by technology

However, the existing FPGA-based target detection methods only realize the top-hat transformation part of a single template, and the performance cannot meet the requirements of target detection.

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Embodiment Construction

[0061] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0062] With the continuous progress of semiconductor technology, FPGA (Field-Programmable Gate Array, Field Programmable Gate Array) not only bid farewell to the expensive price of traditional concepts, but also significantly improved performance, while continuously integrating some new hardware resources, such as embedded DSP block, embedded RAM block, phase-locked loop (PLL), high-speed external memory interface (DDR), etc., as a platform, FPGA is used for real-time image processing. Due to the large capacity and flexibility of programmable logic, video image Great parallel processing capability,...

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Abstract

The invention is applied to the technical field of image processing, and provides a small target image processing device. The small target image processing device comprises a double-template morphology filter circuit module and a threshold segmentation module. The double-template morphology filter circuit module is used for restraining backgrounds of an original image and removing the backgrounds occupying the majority of pixels and noise to allow the majority of pixels of a background-restrained image are concentrated in a low gray-scale area. The threshold segmentation module is connected with the double-template morphology filter circuit module and is used for processing the background-restrained image into a binary image including a target. With the small target image processing device, processing speed and real-time performance of target detection are greatly increased, and effect of the target detection is improved.

Description

technical field [0001] The invention belongs to the technical field of image processing, and in particular relates to a small object image processing device. Background technique [0002] The target detection system is generally composed of functional modules such as target detection, target recognition, target acquisition, target high-precision tracking and attack point selection. As the most front-end processing link in the system, target detection can only ensure the smooth development of follow-up work if the targets in the scene are detected in time. Because small targets generally appear in environments with strong clutter interference and noise, the brightness difference between the target and the background is not obvious, resulting in a low image signal-to-noise ratio, which brings great difficulties to subsequent target detection. In addition, the pixel size of small objects is generally within 5×5 pixels, and lacks the necessary texture features for easy recognit...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00
Inventor 黄建军黄敬雄朱贤刚资员
Owner SHENZHEN UNIV
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