Data compression and visualization

  • What is the difference between data compression and image compression?

    Data compression is a broad set of techniques, where image compression is a set of techniques optimized for images (both lossy and lossless compression), and JPEG is a particular image compression technique (where the usual JPEG is lossy)..

Aug 19, 2020PCA was founded in 1933 and T-SNE in 2008, both are fundamentally different techniques. PCA focuses heavily on linear algebra while T-SNE is a 
The method comprehensively considers the time, position, direction and other information of the trajectory data to judge the key feature points of the 

Are memory compression effects in visual working memory contingent on explicit long-term memory?

“Memory compression” effects in visual working memory are contingent on explicit long-term memory.
Journal of Experimental Psychology:

  1. General
  2. 148 (8)
  3. 1373

Norris, D.
G., & Kalm, K. (2018).
Chunking and redintegration in verbal short-term memory.
Nosofsky, R.
M., Palmeri, T.
J., & McKinley, S.
C. (1994).
,

Can lossy data compression improve working memory performance?

Our results seem to indicate that a lossy compression can occur on the spot, which confirms a study by Nassar et al. ( 2018 ), who showed that participants can implement a lossy form of data compression to improve working memory performance with reinforcement learning.

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Is visual memory capacity determined by data compression?

Our aim was to test whether visual memory capacity is determined by a process of data compression by studying correct responses, errors, and RTs.
Our compressibility metric was based on the complexity of the stimulus material, with more complex material being theoretically less compressible.

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What is a data visualization?

Data visualizations range from simple graphs in elementary school classrooms, to depictions of uncertainty in election forecasts in news media, to complex data displays used by scientists and analysts.


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Data compression with machine learning
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