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807
Progressive Image Transmission Using Edge Detection
"... In this paper, a progressive image compression and transmission using edge detection scheme is adopted. The image is decomposed into two (primary and secondary) components. Canny method is adopted to detect the edges of the encoded image. These edges are replaced with a pre-designed nine basis namep ..."
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In this paper, a progressive image compression and transmission using edge detection scheme is adopted. The image is decomposed into two (primary and secondary) components. Canny method is adopted to detect the edges of the encoded image. These edges are replaced with a pre-designed nine basis
EDGE DETECTION BASED ON SOBEL EDGE OPERATOR Subodh Kumar
"... In this paper, we present the method of “FPGA implementation of image segmentation by using edge detection based on the sobel edge operator ”.due to advancement in computer vision it can be implemented in fpga based architecture. image segmentation separates an image into component regions and objec ..."
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In this paper, we present the method of “FPGA implementation of image segmentation by using edge detection based on the sobel edge operator ”.due to advancement in computer vision it can be implemented in fpga based architecture. image segmentation separates an image into component regions
Comparison of Original and Cartoon images with Edge and Background Detection
"... Abstract—In this paper, the image is decomposed into two parts which are the smooth components (cartoon) and the oscillatory components (texture) using a linear model which reduces to a low-pass /high-pass filter.The paper also involves the one of the applications of decomposed image i.e., edge dete ..."
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Abstract—In this paper, the image is decomposed into two parts which are the smooth components (cartoon) and the oscillatory components (texture) using a linear model which reduces to a low-pass /high-pass filter.The paper also involves the one of the applications of decomposed image i.e., edge
SIMULATION AND IMPLEMENTATION OF EDGE DETECTION ALGORITHM 1
"... Abstract- In this paper, we present the software implementation of a modified version of canny edge detection algorithm, which result in significantly increased edge detection performance. The results of various gradient based filters: Roberts, Sobel and Prewitt are also observed. The edge tracking ..."
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step in the canny edge detection algorithm is replaced by considering the horizontal and vertical components of the image, resulting in improved performance of the detection algorithm. The implementation of the detection algorithm is done by using MATLAB tool. The results show the effectiveness
Detection of facial characteristics based on edge information
- In Proc. VISAPP
, 2007
"... facial features detection, distance map, ellipse fitting. In this paper, a novel method for eye and mouth detection and eye center and mouth corner localization, based on geometrical information is presented. First, a face detector is applied to detect the facial region, and the edge map of this reg ..."
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Cited by 4 (4 self)
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of this region is extracted. A vector pointing to the closest edge pixel is then assigned to every pixel. x and y components of these vectors are used to detect the eyes and mouth. For eye center localization, intensity information is used, after removing unwanted effects, such as light reflections
INHERENTLY EDGE-PRESERVING DEPTH-MAP CODINGWITHOUT EXPLICIT EDGE DETECTION AND APPROXIMATION
"... anonymous In emerging 3D video coding, depth has significant impor-tance in view synthesis, scene analysis, and 3D object re-construction. Depth images can be characterized by sharp edges and smooth large regions. Most of the existing depth coding techniques use intra-coding mode and try to preserve ..."
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from associated texture components, is more efficient than ex-plicitly edge preserving intra-coding techniques. Experimen-tal results show that the proposed technique has achieved su-perior image quality of synthesized views against the new 3D-HEVC standard for depth-map bit-rate 0.025 bpp or higher
O Hardware Edge Detection using an Altera
, 2005
"... Abstract — Edge detection is a computer vision algorithm that is very processor intensive. It is possible to increase the speed of the algorithm by using hardware parallelism. This paper presents an implementation of edge detection in an FPGA, the Altera nios2 development kit. The paper focuses on p ..."
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on providing the often missing link from the algorithm development to the FPGA implementation. In addition to a discussion of the edge detection algorithm, memory access and data transfer to the FPGA is discussed. Memory access is achieved by developing a generic component that handles the memory transfer
Neuronal Edge Detection with Median Filtering and Gradient Sharpening
"... Edge detection is the process of finding out edge of the objects from images. It is the fundamental of pattern recognition in digital image processing field, and it plays an important role in the application of computer vision. A method for edge detection based on median filtering and gradient sharp ..."
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Edge detection is the process of finding out edge of the objects from images. It is the fundamental of pattern recognition in digital image processing field, and it plays an important role in the application of computer vision. A method for edge detection based on median filtering and gradient
An Efficient Color Edge Detection Using the Mahalanobis Distance
"... Abstract—The performance of edge detection often relies on its ability to correctly determine the dissimilarities of connected pixels. For grayscale images, the dissimilarity of two pixels is estimated by a scalar difference of their intensities and for color images, this is done by using the vector ..."
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the vector difference (color distance) of the three-color components. The Euclidean distance in the RGB color space typically measures a color distance. However, the RGB space is not suitable for edge detection since its color components do not coincide with the information human perception uses to separate
Improved Edge Detection by the Evaluation of Color Contrast Information
, 1996
"... The IMA Research Group has developed an active vision system, called NAVIS, which is mainly based on neural models. It can roughly be separated into five functional components: camera control, form detection, attractivity calculation, attention selection, and object recognition. The form module init ..."
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Cited by 1 (0 self)
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The IMA Research Group has developed an active vision system, called NAVIS, which is mainly based on neural models. It can roughly be separated into five functional components: camera control, form detection, attractivity calculation, attention selection, and object recognition. The form module
Results 11 - 20
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807