نتایج جستجو برای: morphological operation

تعداد نتایج: 337337  

Journal: :Pattern Recognition 2007
Olivier Strauss Frédéric Comby

Morphological tools can provide transformations suitable for real projective images, but the camera and objects to be analyzed have to be positioned in such a manner that a regular mesh on the objects projects a regular mesh on the image. A morphological modification of the image is thus the projection of an equivalent operation on the object. Otherwise, due to perspective effects, a morphologi...

1999
Marta D. Teixeira Neucimar Jerônimo Leite

This work presents some new results on the morphological scale-space theory and their use in image segmenta-tion. Basically, we introduce an idempotent smoothing operation based on the recently proposed multiscale-morphological-dilation-erosion method, and analyse some of its features concerned mainly with monotonic-ity and the way the image extrema merge in a multi-scale simpliication process.

2014
S. Mohanram

An Adaptive Contrast image enhancement is proposed for degraded color images. The fogs are removed in two concerns, at initial stage the foggy image information’s are extracted which means that HIS components are obtained by converting RGB component from an input image. At second stage the Intensity (I) has been calculated by contrast enhancement and then adjusted with the value of atmospheric ...

Journal: :IEEE Trans. Pattern Anal. Mach. Intell. 1989
Petros Maragos

This paper reports the results of a study of multiscale shape description, smoothing and representation. Multiscale nonlinear smoothing filters are first developed by using morphological openings and closings. These filters smooth signals while preserving their edges, and use a definition of scale that agrees with the spatial size of image objects. Matheron used openings and closings to obtain ...

Journal: :The IJICS (International Journal of Informatics and Computer Science) 2022

Electronic components are the basic elements to form a series of electronic devices that usually used in everyday life. For someone who studies field electricity, knowledge electrical is an important thing. One whose use most often found circuits resistor. However, some people do not know about these types resistors. Especially for or student will learn components. This study aims develop image...

Ramin Meshkabadi Sima Emami1 Emami

The human facial recognition is the base for all facial processing systems. In this work a basicmethod is presented for the reduction of detection time in fixed image with different color levels.The proposed method is the simplest approach in face spatial localization, since it doesn’trequire the dynamics of images and information of the color of skin in image background. Inaddition, to do face...

2009
Ronald Jones Imants Svalbe

The choice and detailed design of structuring elements plays a pivotal role in the morphologic processing of images. A broad class of morphological operations can be expressed as an equivalent supremum of erosions by a minimal set of basis filters. Diverse morphological operations can then be expressed in a single, comparable framework. The set of basis filters are data-like structures, each fi...

2002
Alessandro Bevilacqua

The main task of traffic monitoring applications is to identify (and track) moving targets. Thresholding an image resulting from a background difference operation is a common way to detect moving pixels and represents the starting point for all of the subsequent operations. Therefore, a wrong choice for the threshold could afflict final results. The morphological operations utilized within most...

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