Tags » Histogram

FITS (Part 4) : Histograms

In this part, we will learn how to get histogram of the FITS image :

Python

How to Manipulate a Citation Histogram

The scientific community needs to put less emphasis on Journal Impact Factors (JIFs), argued a bibliometrician and a group of distinguished science editors and publishers, and start embracing citation distributions. 652 more words

Research

Project 1: The instrument - Exercise 1.1

All four images were taken a few seconds apart hand held in Auto mode. The images all look the same but the histogram does show that each image has small but perceivable differences due to factors like movement of the objects within the image, movement of the camera, changes in lighting conditions, changes in the way light hits the objects within the image and possible changes within the camera mechanism and electronics itself. 114 more words

Photographs

Exercise 4.1 - the problem of reflected-light metering

This exercise demonstrates a well-known issue with reflected-light metering, the problem of calibrating to medium-grey if the scene does not average out. The exercise is useful because it caused me to demonstrate the effect, rather than just read about it and accept it. 295 more words

Light

Statistics: Histograms In R - An Example

Hi there. In this post, I will highlight histograms in the statistical program R using the R base package, ggvis and the ggplot2 data visualization packages. 1,839 more words

Statistics

A plug-in for real-time histograms in Scanbox

A Scanbox user requested to add the ability to display a histogram of image values in real-time.

Here, I use a the general mechanism of… 340 more words

Software

Lightroom Tutorial!

For the first tutorial, I want to go over some of the basics. I know for me, I couldn’t even figure out how to open images so first things first! 1,247 more words

Basics