Fall Detection for Surveillance Video Based on Deep Learning
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Video monitoring
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Accidental fall
Video monitoring
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Accidental fall
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Actuated phases of modern traffic signal controllers are provided with several recall modes. When any recall is ON, it calls that phase to Green or Green-Walk regardless of an actual detector actuation. Conventional recalls operate every cycle, even soft recall when traffic is light. The most common recalls are: (1) Vehicle Recall, (2) Pedestrian Recall, (3) Maximum Recall, and (4) Soft Recall. This article explains recall -- its applications, how recall delay works, advantages of delayed recall, purchasing delayable recall controllers.
Context-dependent memory
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When people recall together in a collaborative group they recall less than their potential. This phenomenon of collaborative inhibition is explained in terms of retrieval disruption. However, collaborative recall also re-exposes individuals to items recalled by others that they themselves might otherwise have forgotten. This re-exposure produces post-collaborative benefits in individual recall. The current study examined whether reduced retrieval disruption during group recall is related not only to less collaborative inhibition, but also to greater post-collaborative recall benefits. To test this we devised a paradigm to calculate the extent to which each individual experienced retrieval disruption during group recall. We also included two types of collaborative groups, one of which was expected to experience greater retrieval disruption than the other. Results suggest that the relationship between retrieval disruption and recall performance depends on the level at which retrieval disruption is measured. When retrieval disruption was assessed at the individual level, then minimising retrieval disruption was associated with higher recall (i.e., less collaborative inhibition and greater post-collaborative individual recall). However, when retrieval disruption was assessed at the group level there was no relationship with recall. Furthermore, the findings from this design suggest a role of cross-cueing in modulating group recall levels.
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The influence of item familiarity upon memory span was examined in adults and children aged 5, 7, and 10 years by comparing the recall of words and nonwords. Using a probed recall task, both item recall and position recall were tested. The effect of familiarity upon item recall was found to develop with age, from no effects in the 5-year-olds to significant effects in the older children and adults. By contrast, no effect of familiarity was found at any age when recall of position was required. Dissociations between word length effects and familiarity effects supported the conclusion that the familiarity effect does not result from rehearsal. Several explanations for the source of the familiarity effect were examined, and the familiarity effect was attributed to a strategic redintegration or reconstruction process, which is necessary for item recall but not for position recall.
Serial position effect
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It is an established assumption that pattern-based models are good at precision, while learning based models are better at recall. But is that really the case? I argue that there are two kinds of recall: d-recall, reflecting diversity, and e-recall, reflecting exhaustiveness. I demonstrate through experiments that while neural methods are indeed significantly better at d-recall, it is sometimes the case that pattern-based methods are still substantially better at e-recall. Ideal methods should aim for both kinds, and this ideal should in turn be reflected in our evaluations.
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The ability to recall our past is essential to who we are. We use our past memories as a basis to inform what we do, and how we behave, the events we remember tell us about what and who is important to us, and help us to make our decisions about the future. Traditionally we use medias such as diaries, photos, film, and mementos as cues which help us recall memories. However traditional media are limited to the level of detail, and cues they provide to trigger memory recall. As our own recollection of the event fades with time, the cues can become less effective for recall. This project investigates if more immersive forms of media such as virtual environments provide more efficient means to trigger memory recall, compared to more traditional forms of memory preservation.
Autobiographical Memory
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In two experiments it was demonstrated that the patterns of recall exhibited by schizophrenics qualitatively changed as the amount of structure present in the encoding and retrieval environments changed. When the encoding environment was structured and the retrieval environment was left unstructured (experiment 1), the schizophrenics' recall was not only lower than that of the normal subjects, but the patterns of recall of the two groups qualitatively differed. When encoding and retrieval environments were both structured (experiment 2), the patterns of recall exhibited by both groups were identical, although the schizophrenics continued to exhibit a recall deficit. This pattern of performance is more consistent with the notion that the recall deficit is caused by disease-induced depression of attentional capacity rather than by irreversible defects in ability to process information.
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Abstract Objectives : This study investigates information recall in unaccompanied and accompanied older cancer patients and their companions. Methods : One hundred cancer patients (aged ⩾65 years) and 71 companions completed a recall questionnaire after a nursing consultation preceding chemotherapy treatment. Recall was checked against the actual communication in video‐recordings of the consultations. Patients also completed measures of anxiety and memory‐related beliefs. Results : Findings revealed that recall in patient and companion couples together was higher than their separate recall scores (both proportional and absolute), indicating that they supplement each other. Proportionally, unaccompanied patients recalled almost as much as couples, whereas their absolute recall scores were lower. Younger age and higher education were associated with higher recall in both patients and companions. Patients' memory‐related beliefs predicted the recall scores of their companions rather than their own recall score. When patients reported memory complaints, recall was lower in their companion. In contrast, when patients indicated that they did not understand all information, their companion recalled more. Conclusions : These findings indicate that, although an interrelationship exists between recall in patients and their companions, accompanied patients are likely to benefit from the extra information that their companions remember. Copyright © 2009 John Wiley & Sons, Ltd.
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Presentation (obstetrics)
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The influence of item familiarity upon memory span was examined in adults and children aged 5, 7, and 10 years by comparing the recall of words and nonwords. Using a probed recall task, both item recall and position recall were tested. The effect of familiarity upon item recall was found to develop with age, from no effects in the 5-year-olds to significant effects in the older children and adults. By contrast, no effect of familiarity was found at any age when recall of position was required. Dissociations between word length effects and familiarity effects supported the conclusion that the familiarity effect does not result from rehearsal. Several explanations for the source of the familiarity effect were examined, and the familiarity effect was attributed to a strategic redintegration or reconstruction process, which is necessary for item recall but not for position recall.
Serial position effect
Recall test
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