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Automatic Polyp Segmentation via Multi-scale Subtraction Network
International Conference on Medical Image Computing and Computer-Assisted Intervention, 2021More than 90\% of colorectal cancer is gradually transformed from colorectal polyps. In clinical practice, precise polyp segmentation provides important information in the early detection of colorectal cancer.
Xiaoqi Zhao, Lihe Zhang, Huchuan Lu
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Subtractive Categories and Extended Subtractions
Applied Categorical Structures, 2009We introduce a notion of an extended operation which should serve as a new tool for the study of categories like Mal’tsev, unital, strongly unital and subtractive categories. However, in the present paper we are only concerned with subtractive categories, and accordingly, most of the time we will deal with extended subtractions, which are particular ...
Dominique Bourn, Zurab Janelidze
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Acta Radiologica. Diagnosis, 1975
The purpose of subtraction of angiographic images is to demonstrate the vessels free of superimposed, disturbing image noise. With the aid of physical film parameters the theoretic basis for an optimum subtraction technique is presented.
U. Welander, Ch. Hårdstedt
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The purpose of subtraction of angiographic images is to demonstrate the vessels free of superimposed, disturbing image noise. With the aid of physical film parameters the theoretic basis for an optimum subtraction technique is presented.
U. Welander, Ch. Hårdstedt
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WeSamBE: A Weight-Sample-Based Method for Background Subtraction
IEEE transactions on circuits and systems for video technology (Print), 2018Background subtraction techniques are often treated as fundamental and significant ways to analyze and understand video content. In this paper, we propose a weight-sample-based method for foreground detection.
Shengqin Jiang, Xiaobo Lu
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2007
Subtractive hybridization, like serial analysis of gene expression (SAGE), RNA arbitrarily primed polymerase chain reaction (RAP-PCR) and microarrays, is a screening method for differentially expressed genes. At first, poly-A+-RNA is isolated and reverse transcribed into cDNA. With the SMART technology, total RNA can be used.
Jörg H W, Distler +3 more
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Subtractive hybridization, like serial analysis of gene expression (SAGE), RNA arbitrarily primed polymerase chain reaction (RAP-PCR) and microarrays, is a screening method for differentially expressed genes. At first, poly-A+-RNA is isolated and reverse transcribed into cDNA. With the SMART technology, total RNA can be used.
Jörg H W, Distler +3 more
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Applied Optics, 1971
A holographic technique by which two dissimilar optical fields can be subtracted to yield only their difference is presented. The principle underlying this technique is that of optical interference between a holographically reconstructed field and a direct real-time one. Experimental verification is presented for the three cases of image-plane, fourier-
K, Bromley +3 more
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A holographic technique by which two dissimilar optical fields can be subtracted to yield only their difference is presented. The principle underlying this technique is that of optical interference between a holographically reconstructed field and a direct real-time one. Experimental verification is presented for the three cases of image-plane, fourier-
K, Bromley +3 more
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Science, 1993
A general problem in genetics is the identification of specific DNA sequence differences underlying phenotypic variation. These differences can be foreign DNA segments from an infecting pathogen that integrate into a host genome, spontaneously arising DNA rearrangements or point mutations that cause cancer in somatic tissues, or a wide variety of ...
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A general problem in genetics is the identification of specific DNA sequence differences underlying phenotypic variation. These differences can be foreign DNA segments from an infecting pathogen that integrate into a host genome, spontaneously arising DNA rearrangements or point mutations that cause cancer in somatic tissues, or a wide variety of ...
openaire +3 more sources