File:Robosapiens (35367331).jpg
Original file (1,699 × 2,343 pixels, file size: 1.83 MB, MIME type: image/jpeg)
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Summary
editDescriptionRobosapiens (35367331).jpg |
He designed the cams through trial and error to mimic his own gait. Getting it to walk backward was a lot easier, and was the first step, so to speak, since the designer could consciously perceive his own subcomponents of motion while doing a strange act. Walking forward is so far down the neural subsumption stack so as to be difficult to decompose. This reminds me of Hawkins’ memory-prediction framework for intelligence. Here’s the relevant <a href="http://jurvetson.blogspot.com/2005/01/thanks-for-memory.html">section from my blog</a>: The 30 billion neurons in the neocortex provide a vast amount of memory that learns a model of the world. These memory-based models continuously make low-level predictions in parallel across all of our senses. We only notice them when a prediction is incorrect. Higher in the hierarchy, we make predictions at higher levels of abstraction (the crux of intelligence, creativity and all that we consider being human), but the structures are fundamentally the same. More specifically, Hawkins argues that the cortex stores a temporal sequence of patterns in a repeating hierarchy of invariant forms and recalls them auto-associatively. The framework elegantly explains the importance of the broad synaptic connectivity and nested feedback loops seen in the cortex. The cortex is relatively new development by evolutionary time scales. After a long period of simple reflexes and reptilian instincts, only mammals evolved a neocortex, and in humans it usurped some functionality (e.g., motor control) from older regions of the brain. |
Date | |
Source | Robosapiens |
Author | Steve Jurvetson from Los Altos, USA |
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This image was originally posted to Flickr by jurvetson at https://flickr.com/photos/44124348109@N01/35367331. It was reviewed on 13 December 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
13 December 2020
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:14, 13 December 2020 | 1,699 × 2,343 (1.83 MB) | Eyes Roger (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | Panasonic |
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Camera model | DMC-FX7 |
Exposure time | 1/125 sec (0.008) |
F-number | f/5.6 |
ISO speed rating | 80 |
Date and time of data generation | 15:03, 30 July 2005 |
Lens focal length | 5.8 mm |
JPEG file comment | AppleMark |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | QuickTime 7.0.1 |
File change date and time | 20:41, 30 July 2005 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.2 |
Date and time of digitizing | 15:03, 30 July 2005 |
Meaning of each component |
|
Image compression mode | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |