Lecture 15 Flashcards
What are examples of image stabilisation applications?
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What is the Irani example?
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What is the Marcenaro example? What is the comparison between computer and hardware based?
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How does image stabilisation occur in a camera?
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How does shutter speed and the effect of image stabiliser on affect picture quality?
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What example are biological systems most similar to?
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What is the significance of the head and eye movements for stabilising vision?
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If can make assumptions what is the advantage for vision info?
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What do the compensatory head movements provide for inner loop reflexes?
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What do the vestibular systems do? How do they compare to the vision systems? Why are they needed and are important?
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What are the benefits of compensating for rotational degrees of freedom?
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What is the pi equation? What component needs to be removed? Why?
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What are happens in gaze stabilisation in birds? How did it show the importance of the visual system as well?
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How does the hover fly have position control? What is it using? What does it maintaining it’s head horizontally show?
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What is the experiment done to work out the gaze stabilisation pathway in blowflies?
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What is the compensatory head roll pathways? What are the two types? What are the components involved?
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What are the receptive field properties of the LPTCs and NMNs? How do they compare? What are the similarities and what are the differences?
WEQWE
What does the superimposed traces of an extra cellular neck motoneuron recording show?
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What is this evidence for?
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What are the simplified iteration equations to estimate rotation and translation based on optical flow? What are the components?
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What methods are there to get rid of parent terms in this simplified iteration equation?
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What is the difference between neck motor neurons and tangential cells? What is the consequence of this?
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What are the preferred rotation axes of the LPTC is and neck motoneurons? How are they similar? How are they different?
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If a rotational axis of the neck motor system does not have a direct corresponding neurone at the level of the globular plate how to solve this?
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What are the properties of the motion vision system? What is a problem with this? What system compensates for this in flies?
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What is an haltere? What are the properties? How does it work? What is its benefits over the visual system?
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What does the graph of the fly with no visual information show?
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What does the fly with motion vision system only show? How was this condition achieved?
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What are the different steps of the linear system analysis of Fly gaze stabilisation?
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What is the step motor to the top step of the linear systems analysis of fly gaze stabilisation?
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What are the parameters of the linear system analysis of fly gaze stabilisation?
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What is the graph when thorax role and head roll are plotted as a function of time?
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What is the frequency response of the next motor system with all the sensory systems in tact and when the Halters are removed?
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What does the results of when the halters are removed show?
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What are the functional organisation of the interactions of the different systems? What are the different components?
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What was the method done to work out the extent of linearity in an intermodulation distortion experiment?
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How linear was this system found to be?
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What are the different non-linear processes at the neuronal level?
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How does the neural integration of haltere and compound I signals happen? How does this make the system non-linear?
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Why is it important to have neurons that respond only with the combination of the visual system and halter system?
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What is another sensory system in the eye used by flies? What is the body part of the fly is it?
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What is the oscelli? How does it work? What does it detect?
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What is the speed of the Oscelli? Why is it this fast?
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How to measure the accuracy of the oscelli system? What experiment was done?
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What were the results of the oscelli experiment?
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Why can the oscelli system be measured through the VS cells? How are they connected?
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How do the preferred rotation axes base on motion vision and ocellar tuning differ?
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What is the consequence of this difference?
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Why is the speed of the oscelli system important?
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How are the two systems combined?
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How does the gain and phase change within without the oscelli?
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How can this nonlinear behaviour be explained?
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What is the system of how the compound eye and the oscelli signal integrate? What do the different systems act as?
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How do the two signals integrate? What kind of signal forms at the end? How does this explain the non-linear behaviour?
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What does the comparison of the behavioural data and output of the integrate and fire descending neuron show?
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