NDLI: Generating photo manipulation tutorials by demonstration

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Procedural noise using sparse Gabor convolution

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Bi-3 $C^{2}$ polar subdivision

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Mixed-integer quadrangulation

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Frequency analysis and sheared reconstruction for rendering motion blur

4D frequency analysis of computational cameras for depth of field extension

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Predictive-corrective incompressible SPH

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Generating photo manipulation tutorials by demonstration

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Linear Bellman combination for control of character animation

Capacity-constrained point distributions: a variant of Lloyd's method

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Generating photo manipulation tutorials by demonstration

Content Provider	ACM Digital Library
Author	Agrawala, Maneesh Grabler, Floraine Igarashi, Takeo Li, Wilmot Dontcheva, Mira
Abstract	We present a demonstration-based system for automatically generating succinct step-by-step visual tutorials of photo manipulations. An author first demonstrates the manipulation using an instrumented version of GIMP that records all changes in interface and application state. From the example recording, our system automatically generates tutorials that illustrate the manipulation using images, text, and annotations. It leverages automated image labeling (recognition of facial features and outdoor scene structures in our implementation) to generate more precise text descriptions of many of the steps in the tutorials. A user study comparing our automatically generated tutorials to hand-designed tutorials and screen-capture video recordings finds that users are 20--44% faster and make 60--95% fewer errors using our tutorials. While our system focuses on tutorial generation, we also present some initial work on generating content-dependent macros that use image recognition to automatically transfer selection operations from the example image used in the demonstration to new target images. While our macros are limited to transferring selection operations we demonstrate automatic transfer of several common retouching techniques including eye recoloring, whitening teeth and sunset enhancement.
Starting Page	1
Ending Page	9
Page Count	9
File Format	PDF
ISBN	9781605587264
DOI	10.1145/1576246.1531372
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2009-07-27
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Tutorials Programming-by-demonstration Photo-editing Macros
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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