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Color blindness image processing system design and algorithm

Author: WangEn
Tutor: WangYuanYuan
School: Fudan University
Course: Biomedical Engineering
Keywords: Color-blindness Embedded systems Image processing Geometric transformation mapping Color perception
CLC: TP391.41
Type: Master's thesis
Year: 2011
Downloads: 73
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Abstract


Color blindness and color weakness is a common sex-linked genetic diseases , mainly caused by the cone cells in the retina mutation or deletion . According to statistics, approximately 8% of the world's male population suffering from color blindness or color weakness , the proportion of the female population of approximately 0.5% . Color blindness can not distinguish certain colors in the natural spectrum , there are a lot of inconvenience in their daily lives , learning, work . Reduce inconvenience and improve the capacity , medicine, biology, psychology, informatics and other fields of color blindness to distinguish colors related research , including information in the field of research from the point of view of the image processing color blindness and color blindness correction of its design no damage to the front end correction method , under the existing technical conditions with high feasibility . In a color-blind study of the image processing hardware system design is a very important part of a higher demand for speed and accuracy . Embedded system with flexibility, hardware and software can be cut , small size , low cost , low power consumption , ARM ( Advanced RISC Machine ) processor is 32-bit embedded processing industry recognized technology leader device . Therefore, this thesis apply a background color blindness image processing system , ARM-based embedded system design . The main duties include : test and select core processor ARM chip ; fully study the structural features of the general-purpose embedded systems and software development support on the basis of ability to complete the the embedded color blindness image processing system hardware and software design ; complete design and optimization of the system interface . The system is color-blind application of image processing algorithms to provide a common hardware platform , is expected to facilitate research for various types of color blindness and its correction . In addition, the hardware system speed and accuracy requirements for the practical application of color blindness correction , the correction method based on the image geometric transformation mapping color blind different colors mapped region divided by the color space plane geometric transformation , color conversion , thereby generating Semanghuanzhe Selected it easier to distinguish the image of the color . The experiments show that : the method can improve the ability to distinguish the Semanghuanzhe Original indistinguishable color , while the calculated speed , applicable to the actual hardware real-time processing system .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Pattern Recognition and devices > Image recognition device
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