Super-Resolution(SR) reconstruction is a method recovering a high- resolution(HR) imagefrom one or more low-resolution(LR) images. Compared with the method to method HR image bythe hardware devices, the cost of SR reconstruction method is cheaper. In recent years SR is widelyused in video monitoring, medical image analysis, high-definition video and others. So, it is of greatsignificance
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With the development of multimedia technology and network technology, many kinds of terminals like camera, mobile phone, projector, and TV has spread rapidly among the people, which makes the amount of images in our life increased immensely. In the process of transmission, compression distortions and transmission distortions inevitably cause the decrease of the image quality,
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For humans, the image is an important source of information existing in people’s daily life.The images collected by different ways maybe not alike, some may be clearly visible, whileothers may be fuzzy, so the deviations of the human understanding for image information appear.During the process of image collection and transmission, the image may be polluted
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Digital image restoration and quality assessment are the hotspots in the field of image processing, and are playing increasingly important role in real life. Blur is one of the most common image distortion types. There are many reasons to produce blur images, such as deficiency of imaging system, relative motion between camera and objects and
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In the study of image quality evaluation method, the HVS model serves as an important position, it makes the image quality evaluation results are more consistent with human subjective feelings, greatly overcome the disadvantages of traditional image quality evaluation method. Because HVS model relates to the human physiological characteristics, it brings a certain degree of
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Image has become one of the most important sources of information in today’s society with its intuitive, efficient and precise characteristics and extensive adaptability. The accuracy of image quality assessment is an important research topic as well as a research challenge in the field of image processing. With the development of digital technology, the demand
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Images have been throughout all areas of human’s life and work in the information-digitalized times. It is of great significance to construct effective system for image quality assessment in the field of image processing and applications. No-reference image assessment not only meet the objective needs, but also has the possibility to realize.Thus,more and more attention
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The digital halftone technology,based on human visual attribute, is a technology under the help ofelectronic computer and mathmatics tool to represent the image on the output equipment of binary orlimited-grayscaled.This technology is widely applied in the fields of printing,digital image compressingand storage.The quality evaluation of image is the important indicator of measuring the digital halftonealgorithms,it
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With the rapid proliferation of digital imaging and communication technologies, digital video is impact on and even changing people’s way of life. At the same time, people demand higher operation and maintenance quality and user experience quality of digital video or image. Therefore, research on the video image perceptual quality evaluation technology, and use the
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With the development of society and technologies, the importance of theidentity authentication is increasingly appeared, people for the entrance guardsystem security demands is also higher.According to the shortage of current special access identity authenticationsystem, the paper analyzes the advantages and disadvantages of current variou sidentification way, according to the modern special access’s structure and functionsroughly,
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