Basically, an image histogram is a plot of the relative frequency of occurrence of each of the permitted pixel values in the image against the values themselves. If we normalize such a frequency plot, so that the total sum of all frequency...
READ MOREApplications of Image Processing In this lesson we are going to give a brief overview of some applications of image processing. Image processing is a very popular tool across different fields. Image it is diagnostics machines the MRI ,PET scan...
READ MOREOverfitting and Underfitting The cause of poor performance of in machine learning can be attributed to either overfitting or under-fitting. What we want is model that fits appropriately. Overfitting happens when a model learns the detail and...
READ MOREUnderstanding Layers and Nodes In this lesson we shall talk a bit more about layers and units. Let’s examine this 4-layer neural network. This neural network takes 2 inputs. Layer 1 has 5 units, Layer 2 has 5 units, Layer 3 has 3 units and Layer...
READ MOREUnderstanding Computational Graphs Before we continue with our cat problem I would to use the lesson to introduce a visualization tool known as computation graphs. Lets say we have a function j of a b c equals 3 into brackets a plus bc. Lets say...
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