نتایج جستجو برای: automated image recognition
تعداد نتایج: 712572 فیلتر نتایج به سال:
More and more images are used in HTML documents on the WWW. Ideally, a tool should be available, i. e. an image search engine, that can retrieve relevant images quickly on demand. Effectively, digital image databases have seen an enormous growth over the last years. Since many image collections are purely indexed or annotated, there is a great need for automated, content-based methods that coul...
In [2], [3] and [4] a procedure for the reduction of a binary image to a skeleton for the purpose of the automated recognition and classification of images is described. In this work we extend the construction of skeletons to grey level or color images. A hierarchy of decorated graphs are constructed which capture the visual content of the original image to different levels of detail. The corre...
TSR (Traffic sign recognition) has been studied for realizing drivers assisting system and automated navigation and is an important studied field in ITS (Intelligent traffic system). In this paper, a recognition method of traffic signs separated from real image was studied. Images were divided into several categories according to the actual weather, distance and angle of view etc. SIFT was firs...
purpose: to present a new reliable and accurate iris recognition method applicable in identification systems. methods: the system was implemented and tested on 876 standard iris images (daugman iris images database) from 876 persons of different nationalities via image processing techniques. results: false accept reject (far) and false reject reject (frr) were smaller in our suggested method as...
Biometrics is an important and automated method of recognizing persons based on a physiological or behavioral characteristic. Gait recognition biometric technologies becoming an important and highly secure identification and personal verification solutions. In biometric system and especially in gait recognition, one of the challenges that use object extraction is to create silhouette image. In ...
Biometrics is automated tool of recognizing a person depends on physiological or behavioral characteristics. A palm vein is a new member of pattern recognition and biometrics family, has attracted much of the research attention. This paper discusses about the image enhancement operation such as histogram equalization, de-correlation stretch, and contrast stretch etc. which results a quite enhan...
Disguised face recognition is a major challenge in the field of face recognition which has been taken less attention. Therefore, in this paper a disguised face recognition algorithm based on Local Phase Quantization (LPQ) method and Singular Value Decomposition (SVD) is presented which deals with two main challenges. The first challenge is when an individual intentionally alters the appearance ...
A typical MR imaging protocol to study the status of atherosclerosis in the carotid artery consists of the application of multiple MR sequences. Since scanner time is limited, a balance has to be reached between the duration of the applied MR protocol and the quantity and quality of the resulting images which are needed to assess the disease. In this study an objective method to optimize the MR...
Video-based face recognition has attracted significant attention in many applications such as media technology, network security, human-machine interfaces, and automatic access control system in the past decade. The usual way for face recognition is based upon the grayscale image produced by combining the three color component images. In this work, we consider grayscale image as well as color s...
The ongoing FP7 project “ACXIS Automated Comparison of X-ray Images for cargo Scanning” delivers enhanced inspection procedures for customs. A manufacturer independent reference data base for X-ray images of illegal and legitimate cargo is developed. One of the X-ray image recording work flow is to use 3D-CT data of illegal cargo mockups and to artificially generate arbitrary X-ray projections....
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