Summary
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Welcome to Week 5 Lecture 3 of the course "Data Visualization Design" by Prof. Venkat. Full Course: https://study.iitm.ac.in/ds/course_pages/BSCS4001.html Video Overview This video introduces the concept of Just Noticeable Difference (JND) and explains how human perception affects data interpretation in visualization. The professor demonstrates how subtle perceptual variations—such as differences in weight, fuel efficiency, or other measurable quantities—can be effectively highlighted using thoughtful design choices like grid lines, opacity adjustments, and shape selection. The lecture further explores Gestalt principles such as proximity, similarity, and closure, illustrating how the human mind naturally organizes incomplete visual information into coherent patterns. The discussion also acknowledges the practical challenges faced by data journalists, where constraints like tight deadlines and standardized tools can limit design creativity and innovation in visualization. About IIT Madras' online Bachelor of Science programme IIT Madras offers four-year BS programmes that aim to provide quality education to all, irrespective of age, educational background, or location. The BS programme has multiple levels, which provide flexibility to students to exit at any of these levels. Depending on the courses completed and credits earned, the learner can receive a Foundation Certificate from IITM CODE (Centre for Outreach and Digital Education), Diploma(s) from IIT Madras, or BSc/BS Degrees from IIT Madras. For more details, Visit: https://www.iitm.ac.in/academics/study-at-iitm/non-campus-bs-programmes #DataVisualization #GestaltPrinciples #VisualPerception #InformationDesign #JND #DesignThinking #IITMadras #DataVisualizationDesign
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