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Making DIA Accessible to Non-experts: Designing a visual programming Language for Document Image Analysis 2

Making DIA Accessible to Non-experts: Designing a Visual Pro...

15th IAPR International Conference on Document Analysis and Recognition (ICDAR) / 2nd International Workshop on Human-Document Interaction (HDI)

作者： Rajan, Vinodh Stiehl, H. Siegfried Univ Hamburg Dept Informat Res Grp Image Proc iXMan Lab Hamburg Germany

ISBN: (纸本)9781728150543

The research field of Document Image Analysis (DIA) produces state-of-the-art methods that are intended to analyze digitized documents, a substantial portion of which lie in the realm of humanities. However, applying the methods, more often than not, requires some programming knowledge. This results in low accessibility and, consequently, many of the methods, if not most, are not used by scholars in the humanities. There is a distinct need to bridge this gap and make DIA methods more accessible to end users. In this context, we discuss the design of a visual programming Language (VPL) paradigm for an integrated DIA application environment targeting end-users that are not capable of programming. We elucidate in detail the various design considerations that went into the VPL's development and provide a description of our prototype VPL environment, named, AMAP and, finally, discuss future work.

关键词： visual programming visual programming language human-document interaction document image analysis human-computer interaction user-interface design user experience user interface

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Rapsai: Accelerating Machine Learning Prototyping of Multimedia Applications through visual programming 23

Rapsai: Accelerating Machine Learning Prototyping of Multime...

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CHI conference on Human Factors in Computing Systems (CHI)

作者： Du, Ruofei Li, Na Jin, Jing Carney, Michelle Miles, Scott Kleiner, Maria Yuan, Xiuxiu Zhang, Yinda Kulkarni, Anuva Liu, Xingyu Bruce Sabie, Ahmed Escolano, Sergio Orts Kar, Abhishek Yu, Ping Iyengar, Ram Kowdle, Adarsh Olwal, Alex Google Res San Francisco CA 94101 USA Google Res Mountain View CA USA

ISBN: (纸本)9781450394215

In recent years, there has been a proliferation of multimedia applications that leverage machine learning (ML) for interactive experiences. Prototyping ML-based applications is, however, still challenging, given complex workflows that are not ideal for design and experimentation. To better understand these challenges, we conducted a formative study with seven ML practitioners to gather insights about common ML evaluation workflows. The study helped us derive six design goals, which informed Rapsai(1), a visual programming platform for rapid and iterative development of end-to-end ML-based multimedia applications. Rapsai features a node-graph editor to facilitate interactive characterization and visualization of ML model performance. Rapsai streamlines end-to-end prototyping with interactive data augmentation and model comparison capabilities in its no-coding environment. Our evaluation of Rapsai in four real-world case studies (N=15) suggests that practitioners can accelerate their workflow, make more informed decisions, analyze strengths and weaknesses, and holistically evaluate model behavior with real-world input.

关键词： visual programming Node-graph Editor Deep Neural Networks Data Augmentation Deep Learning Model Comparison visual Analytics

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An end-user oriented visual programming language

An end-user oriented visual programming language

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International Conference on Advances in Materials Science and Information Technologies in Industry (AMSITI)

作者： Jia Ying Shen Beijun Yu Tianyu Zhu Jiangang Shanghai Jiao Tong Univ Sch Software Shanghai 200240 Peoples R China

ISBN: (纸本)9783038350125

With the promotion of IT applications and the rise of Web 2.0, mass users' individual requirements continue to emerge. How to quickly meet increasing development and maintenance requirements has been a critical problem of software development. Is it possible for end-users to develop software? This paper chooses Web information systems as the research field, studies the end-user programming technology, and designs an end-user oriented visual domain-specific language VUDSL for university Web information systems. VUDSL programming tools are also implemented, to support end-users without the knowledge of software engineering to develop target information systems by visual programming.

关键词： End-user programming visual programming DSL

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Synchronous Dataflow and visual programming for Prototyping Robotic Algorithms 14th

Synchronous Dataflow and Visual Programming for Prototyping ...

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14th International Conference on Intelligent Autonomous Systems (IAS)

作者： Buck, Sebastian Hanten, Richard Pech, C. Robert Zell, Andreas Univ Tubingen Sand 1 D-72076 Tubingen Germany

ISBN: (纸本)9783319480367;9783319480350

Robots perceive their environment by processing continuous streams of data, which can be very naturally modelled as a dataflow graph. The development of new perception algorithms is often an iterative process, involving the investigation of a set of parameters and their influence on the system. The amount of immediate feedback available to the developer can make these influences more obvious and can therefore speed up development. We present a framework based on synchronous dataflow and event-based message passing that forms the basis of a visual programming language for rapid prototyping of robotic perception systems. We explicitly model algorithmic parameters in the dataflow graph, which results in a more expressive feature set. We provide an open-source implementation, consisting of a user interface for immediate feedback and interactive manipulation of dataflow algorithms and an independent execution framework that can be directly used on any robot.

关键词： Perception Prototyping visual programming Dataflow Robotics

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Learning Kinematics in Elementary Grades Using Agent-based Computational Modeling: A visual programming-based Approach 12

Learning Kinematics in Elementary Grades Using Agent-based C...

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11th International Conference on Interaction Design and Children (IDC)

作者： Sengupta, Pratim Farris, Amy Voss Vanderbilt Univ Mind Matter & Media Lab Nashville TN USA

ISBN: (纸本)9781450310079

Integrating computational modeling and programming with learning and teaching physics is a non-trivial challenge for educational designers. In this paper, we attempt to address this challenge by presenting ViMAP, a new visual-programming language and modeling platform for learning kinematics, and its underlying design principles. We then report a study conducted with 3rd and 4th grade students which shows that using ViMAP, they were able to develop a) deep conceptual understandings of kinematics and b) relevant programming and computational modeling practices. We also identify how the design principles supported the development of these understandings and practices as students engaged in learning activities that integrated modeling, programming and physics.

关键词： Agent-based Modeling Science Education visual programming VIMAP Kinematics Physics

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visual programming of Subsumption-Based Reactive Behaviour

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INTERNATIONAL JOURNAL OF ADVANCED ROBOTIC SYSTEMS 2008年第4期5卷 361-378页

作者： Banyasad, Omid Cox, Philip T. IBM Ottawa Software Lab Kanata ON K2V 1C8 Canada Dalhousie Univ Halifax NS B3H 1W5 Canada

General purpose visual programming languages (VPLs) promote the construction of programs that are more comprehensible, robust, and maintainable by enabling programmers to directly observe and manipulate algorithms and data. However, they usually do not exploit the visual representation of entities in the problem domain, even if those entities and their interactions have obvious visual representations, as is the case in the robot control domain. We present a formal control model for autonomous robots, based on subsumption, and use it as the basis for a VPL in which reactive behaviour is programmed via interactions with a simulation.

关键词： visual programming direct manipulation demonstration subsumption reactive behaviour

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All Rosy in Scratch Lessons: No Bugs but Guts with visual programming 47

All Rosy in Scratch Lessons: No Bugs but Guts with Visual Pr...

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IEEE Frontiers in Education Conference (FIE)

作者： Niemela, Pia Tampere Univ Technol Pervas Comp Tampere Finland

ISBN: (纸本)9781509059201

This case study addresses motivational issues in the elementary computing that follows UK National Curriculum of Computing (UKNC) at one of the international schools in Asia. The study examines different motivations and their impact on learning outcomes. Started in Year 8, Scratch was used as a computing primer, followed by the Khan Academy's JavaScript, and Python basics. In order to study the learning process, surveys, interviews, and the analysis of the Scratch coursework were employed. Based on the results, Scratch provides a useful tool for scaffold programming basics and for fostering motivation in all student groups. The discontinuity point from visual to textual programming appears to be problematic: textual programming with JavaScript and Python seems to engage mathematically talented students who developed intrinsic motivation, and disengage several others, mainly because of felt incompetence. A few students with authentic interest areas, such as design, animation, or social media, engage inadequately after transition. In planning the syllabus, it is crucial to address motivational aspects as well.

关键词： K-12 computing syllabus visual programming Scratch JavaScript Python SDT theory intrinsic motivation

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Patterns for visual programming With a focus on flow-based programming inspired systems 26

Patterns for visual programming With a focus on flow-based p...

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European Conference on Pattern Languages of Programs (EuroPLoP)

作者： Schmidt, Marc Tech Hsch Koln Cologne Inst Digital Ecosyst Cologne Germany

ISBN: (纸本)9781450389976

Software plays an increasingly important role in our daily lives. The development of this software is complex and hard to understand by non-professionals. Fundamental knowledge about programming languages and software structure is required to change it. By changing the logical complexity represented in software code in something more intuitively understandable, like graphical elements, even non-professionals can understand and learn to design software. Systems that are inspired by flow-based programming offer an interesting approach to this problem. This paper presents two pattern and five pattern candidates, which are a distillation from practices that are already in use. The presented pattern are Functions as building blocks and Connect building blocks. These pattern are used in established products like Node-Red[3] or n8n[2].

关键词： pattern visual programming flow-based programming

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Toward an Efficient User Interface for Block-Based visual programming

Toward an Efficient User Interface for Block-Based Visual Pr...

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IEEE Symposium on visual Languages and Human-Centric Computing (VL/HCC)

作者： Inayama, Yota Hosobe, Hiroshi Hosei Univ Fac Comp & Informat Sci Tokyo Japan

ISBN: (纸本)9781538642351

Block-based visual programming (BVP) is becoming popular as a basis of programming education. It allows beginners to visually construct programs without suffering from syntax errors. However, a typical user interface for BVP is inefficient partly because the users need to perform many drag-and-drop operations to put blocks on a program, and also partly because they need to find necessary blocks from many choices. To improve the efficiency of constructing programs in a BVP system, we propose a user interface that introduces three new features: (1) the semiautomatic addition of blocks;(2) the use of a pie menu to change categories of blocks;(3) the focus+context visualization of blocks in a category. We implemented a prototype BVP system with the new user interface.

关键词： visual programming block user interface

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Second-grade Students' Use of visual programming to Learn Multiplication: Leveraging the Concept of Iteration 22

Second-grade Students' Use of Visual Programming to Learn Mu...

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24th Australasian Computing Education Conference (ACE)

作者： Bagley, Eric Edwards, John Shumway, Jessica Utah State Univ Logan UT 84322 USA

ISBN: (纸本)9781450396431

The multiplication algorithms that we teach elementary students are designed to be efficient, but the conceptual understanding of these algorithms is usually hidden behind this efficiency. For example, one intuitive meaning of multiplication is that of iterated addition. In this paper, we investigate the ways a visual programming activity leverages the concept of iteration to learn multiplication. We report results of a mixed-methods study on second-grade students' use of visual programming and iteration to set up and solve multiplication story problems. We found qualitative evidence that participants gained improved intuition of multiplication as repeated addition and that they made important connections between the programming blocks and multiplication story problems.

关键词： education visual programming graphical programming block programming coding elementary education mathematics teaching multiplication iteration Blockly

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