item location
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Author(s):  
Sirin Kumar Singh ◽  

This paper contains the details of different object detection (OD) techniques, object identification's relationship with video investigation, and picture understanding, it has pulled in much exploration consideration as of late. Customary item identification strategies are based on high-quality highlights and shallow teachable models. This survey paper presents one such strategy which is named as Optical Flow method (OFM). This strategy is discovered to be stronger and more effective for moving item recognition and the equivalent has been appeared by an investigation in this review paper. Applying optical stream to a picture gives stream vectors of the focuses comparing to the moving items. Next piece of denoting the necessary moving object of interest checks to the post-preparing. Post handling is the real commitment of the review paper for moving item identification issues. Their presentation effectively deteriorates by developing complex troupes which join numerous low-level picture highlights with significant level set-ting from object indicators and scene classifiers. With the fast advancement in profound learning, all the more useful assets, which can learn semantic, significant level, further highlights, are acquainted with address the issues existing in customary designs. These models carry on contrastingly in network design, preparing system, and advancement work, and so on in this review paper, we give an audit on profound learning-based item location systems. Our survey starts with a short presentation on the historical backdrop of profound learning and its agent device, in particular, Convolutional Neural Network (CNN) and region-based convolutional neural networks (R-CNN).


Author(s):  
Afroj Alam ◽  

In this review, the paper furnishes object identification's relationship with video investigation and picture understanding, it has pulled in much exploration consideration as of late. Customary item identification strategies are based on high-quality highlights and shallow teachable models. This survey paper presents one such strategy which is named as Optical Flow method. This strategy is discovered to be stronger and more effective for moving item recognition and the equivalent has been appeared by an investigation in this review paper. Applying optical stream to a picture gives stream vectors of the focus-es comparing to the moving items. Next piece of denoting the necessary moving object of interest checks to the post preparation. Post handling is the real commitment of the review paper for moving item identification issues. Their presentation effectively deteriorates by developing complex troupes which join numerous low-level picture highlights with significant level setting from object indicators and scene classifiers. With the fast advancement in profound learning, all the more useful assets, which can learn semantic, significant level, further highlights, are acquainted with address the issues existing in customary designs. These models carry on contrastingly in network design, preparing system, and advancement work, and so on In this review paper, we give an audit on pro-found learning-based item location systems. Our survey starts with a short presentation on the historical backdrop of profound learning and its agent device, in particular Convolutional Neural Network (CNN).


2021 ◽  
Author(s):  
Ansgar D Endress

Our ability to briefly retain information is often limited. Proactive Interference (PI) might contribute to these limitations (e.g., when it is hard to reject items in a recognition test that have appeared recently). In visual Working Memory (WM), spatial information might protect WM against PI, especially if encoding items together with their spatial locations makes item-location combinations less confusable than simple items without a spatial component. Here, I ask (1) if PI is observed for spatially distributed items, (2) if it arises among simple items or among item-location combinations, and (3) if spatial information affects PI at all. I show that PI is reliably observed for spatially distributed items except when it is weak. PI mostly reflects items that appear recently or frequently as memory items, while occurrences as test items play a smaller role, presumably because their temporal context is easier to encode. Through mathematical modeling, I then show that interference occurs among simple items rather than item-location combinations. Finally, to understand the effects of spatial information, I separate the effects of (a) the presence and (b) the predictiveness of spatial information on memory and its susceptibility to PI. Memory is impaired when items are spatially distributed, but, depending on the analysis, unaffected by the predictiveness of spatial information. In contrast, the susceptibility to PI is unaffected by either manipulation. Visual memory is thus impaired by PI for spatially distributed items due to interference from recent memory items (rather than test items or item-location combinations).


Author(s):  
Philipp A. Freund ◽  
Annette Lohbeck

Abstract. Self-determination theory (SDT) suggests that the degree of autonomous behavior regulation is a characteristic of distinct motivation types which thus can be ordered on the so-called Autonomy-Control Continuum (ACC). The present study employs an item response theory (IRT) model under the ideal point response/unfolding paradigm in order to model the response process to SDT motivation items in theoretical accordance with the ACC. Using data from two independent student samples (measuring SDT motivation for the academic subjects of Mathematics and German as a native language), it was found that an unfolding model exhibited a relatively better fit compared to a dominance model. The item location parameters under the unfolding paradigm showed clusters of items representing the different regulation types on the ACC to be (almost perfectly) empirically separable, as suggested by SDT. Besides theoretical implications, perspectives for the application of ideal point response/unfolding models in the development of measures for non-cognitive constructs are addressed.


Author(s):  
Caterina Padulo ◽  
Nicola Mammarella ◽  
Alfredo Brancucci ◽  
Beth Fairfield
Keyword(s):  

2019 ◽  
Vol 8 (2S8) ◽  
pp. 1712-1714

An item discovery framework discovers objects in this present reality in an advanced picture or video, in which the article can have a place with any of articles to be specific people, vehicles, and so on. So as to distinguish an article in a picture or video the frameworkneeds couple of parts so as to finish the errand of recognizing an item, an element finder, a theorem and theorem checker.In this work survey of different strategies which are utilized to distinguish an article, limit an item, order an item, extricate highlights, appearance data in pictures and recordings. The remarks are dependent on the considered writing and major problems are likewise recognized significant to the item location. A thought regarding the conceivable answer for multiple class_object identification is likewise exhibited. This work is appropriate for specialists who are learners in this area.. We initially portray the proposed system of two-stage supervised level set model in target following, at that point give summed up multi-stage adaptation for managing multiple-target . Positive decline is utilized to modify the learning after some time, empowering following to proceed under fractional and add up to impediment. Test results in various testing arrangements approve the viability inproposed strategy


2019 ◽  
Vol 8 (2S3) ◽  
pp. 1181-1183

An item discovery framework discovers objects in this present reality in an advanced picture or video, in which the article can have a place with any of articles to be specific people, vehicles, and so on. So as to distinguish an article in a picture or video the framework needs couple of parts so as to finish the errand of recognizing an item, an element finder, a theorem and theorem checker.In this work survey of different strategies which are utilized to distinguish an article, limit an item, order an item, extricate highlights, appearance data in pictures and recordings. The remarks are dependent on the considered writing and major problems are likewise recognized significant to the item location. A thought regarding the conceivable answer for multiple class_object identification is likewise exhibited. This work is appropriate for specialists who are learners in this area.. We initially portray the proposed system of two-stage supervised level set model in target following, at that point give summed up multi-stage adaptation for managing multiple-target . Positive decline is utilized to modify the learning after some time, empowering following to proceed under fractional and add up to impediment. Test results in various testing arrangements approve the viability in proposed strategy.


2018 ◽  
Vol 46 (8) ◽  
pp. 1248-1262 ◽  
Author(s):  
Alexander L. M. Siegel ◽  
Alan D. Castel
Keyword(s):  

2018 ◽  
Vol 48 (1) ◽  
pp. 225-268 ◽  
Author(s):  
Kristen Olson ◽  
Jolene D. Smyth ◽  
Beth Cochran

Survey researchers often ask a series of attitudinal questions with a common question stem and response options, known as battery questions. Interviewers have substantial latitude in deciding how to administer these items, including whether to reread the common question stem on items after the first one or to probe respondents’ answers. Despite the ubiquity of use of these items, there is virtually no research on whether respondent and interviewer behaviors on battery questions differ over items in a battery or whether interview behaviors are associated with answers to these questions. This article uses a nationally representative telephone survey with audio-recorded interviews and randomized placement of items within four different batteries to examine interviewer and respondent behaviors and respondent answers in battery questions. Using cross-classified random-effects models, the authors find strong evidence that there is more interviewer–respondent interaction on items asked earlier in the battery. In addition, interviewer and respondent behaviors are associated with both substantive and nonsubstantive answers provided to battery items, especially if the interviewer decided to reread or probe with the response options. These results suggest that survey designers should follow recommendations to randomize battery items and consider the importance of standardization of question administration when designing battery questions.


2018 ◽  
Vol 33 (1) ◽  
pp. 30-45 ◽  
Author(s):  
Alexander L. M. Siegel ◽  
Alan D. Castel
Keyword(s):  

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