Timothy K. Shih

article

Rule-based Explaining Module : Enhancing the Interpretability of Recurrent Relational Network in Sudoku Solving

Pimpa Cheewaprakobkit, Timothy K. Shih, Timothy Lau, Yu-Cheng Lin, more

Machine Graphics and Vision > 2023 > Vol. 32, No. 3/4 > 125--145

Computer vision has gained significant attention in the field of information technology due to its widespread application that addresses real-world challenges, surpassing human intelligence in tasks such as image recognition, classification, natural language processing, and even game playing. Sudoku, a challenging puzzle that has captivated many people, exhibits a complexity that has attracted researchers...

article

CMAIR: content and mask-aware image retargeting

Hon-Hang Chang, Timothy K. Shih, Carl K. Chang, Wallapak Tavanapong

Multimedia Tools and Applications > 2019 > 78 > 15 > 21731- 21758

In recent years, more and more image retargeting techniques have been proposed to facilitate our daily life, in particular those based on the use of seam carving, warping or the combination of them. However, these techniques can only retarget the source picture into the same shape of a square, and these approaches cannot be reshape into a circular, a polygon or other shapes. This paper focuses on...

article

Guest editorial: special issue on social media and interactive technologies

Timothy K. Shih, Lin Hui, Somchoke Ruengittinun, Qing Li

World Wide Web > 2019 > 22 > 3 > 1131-1133

article

Creating waterfall animation on a single image

Chih-Yang Lin, Yun-Wen Huang, Timothy K. Shih

Multimedia Tools and Applications > 2019 > 78 > 6 > 6637-6653

A static image always becomes more eye-catching with an animation. In this paper, we present a system for adding a waterfall animation to a single image by extracting a flow animation from a video sequence. To the best of our knowledge, this is the first attempt by researchers to create a waterfall animation on a still waterfall image. Such work poses challenges in many areas, including color consistency,...

article

Objective HDR image quality assessment

Chih-Yang Lin, Kai-Ren Jheng, Timothy K. Shih

Multimedia Tools and Applications > 2019 > 78 > 2 > 1547-1567

Although there is a lot of literature about generating HDR images, very limited research has been conducted on the issue of HDR image quality based on people’s feeling and preferences. The goal of this paper is to identify an objective quality measurement of an HDR image. The key features of HDR images that affect people’s preferences are uncovered through a survey in which testers judge different...

chapter

Online courses recommendation system based on industry occupation skills requirements

Hai-Hui Wang, Chalothon Chootong, Ankhtuya Ochirbat, Worapot Sommool, more

2017 10th International Conference on Ubi-media Computing and Workshops (Ubi-Media) > 1 - 6

2017 10th International Conference on Ubi-media Computing and Workshops (Ubi-Media)

MOOCs had bring us to a higher education with the concept of flipped classrooms, where students make use of the online studying materials such as online textbooks, video tutorials, and all sorts of documents which may take in forms of a web page, online learning platform, educational learning management systems. We see the stupendous potential of MOOCs in education. However, there has always been...

chapter

Human fall detection based on event pattern matching with ultrasonic array sensors

Yuan-Tsung Chang, Timothy K. Shih

2017 10th International Conference on Ubi-media Computing and Workshops (Ubi-Media) > 1 - 4

2017 10th International Conference on Ubi-media Computing and Workshops (Ubi-Media)

We proposed an algorithm for fall detection based on event pattern matching with ultrasonic array sensors signal. In several references cited later using ultrasonic sensors to detect human fall. But shows miss detection of event pattern matching algorithm. Our contributions are the algorithm and improvement of the human fall detection results. We predict that the major bottleneck would be the implementation...

chapter

Create a puppet play and interative digital models with leap Motion

Yu-Ting Cheng, Timothy K. Shih, Chih-Yang Lin

2017 10th International Conference on Ubi-media Computing and Workshops (Ubi-Media) > 1 - 6

2017 10th International Conference on Ubi-media Computing and Workshops (Ubi-Media)

Puppet play is often seen in many countries as a type of traditional show, which is a form of theater or performance that involves the control of puppets. The actors rely on the story outline and add their own creative improvisation to complete a perfect performance. Recently, this traditional show is becoming less popular due to their high cost such as professional stage, expensive puppets and the...

chapter

Filling holes in 3D scanned model base on 2D image inpainting

Shu-Chin Lin, Timothy K. Shih, Hui-Huang Hsu

2017 10th International Conference on Ubi-media Computing and Workshops (Ubi-Media) > 1 - 6

2017 10th International Conference on Ubi-media Computing and Workshops (Ubi-Media)

Nowadays 3D model scanning is widely used for many purpose. Although scanning technique had become much advanced then earliest, users may still obtain damaged model due to unfamiliar with scanning technique, then we need to repair the model by doing hole-filling and surface reconstruction. In this paper we introduce an approach to fill holes in 3D mesh by using 2D Image Inpainting technique. We create...

chapter

RFID-Based intelligent parking management system with indoor positioning and dynamic tracking

Yuan-Tsung Chang, Timothy K. Shih

2017 10th International Conference on Ubi-media Computing and Workshops (Ubi-Media) > 1 - 8

2017 10th International Conference on Ubi-media Computing and Workshops (Ubi-Media)

In this paper we present a novel intelligent parking management system. The proposed system uses RFID wireless technology, real-time license plate recognition, automatic gates with PLC control, and integrate parking guidance systems. Proposed system can reduce the construction and management overhead of a manual parking management system. On the other hand, it is capable of accurately calculating...

article

3D finger tracking and recognition image processing for real-time music playing with depth sensors

Enkhtogtokh Togootogtokh, Timothy K. Shih, W. G. C. W. Kumara, Shih-Jung Wu, more

Multimedia Tools and Applications > 2018 > 77 > 8 > 9233-9248

In this research, we propose a state-of-the-art 3D finger gesture tracking and recognition method. We use the depth sensors for both hands in real time music playing. In line with the development of 3D depth cameras, we implemented a set of 3D gesture-based instruments, such as Virtual Cello and Virtual Piano, which need precise finger tracking in 3D space. For hands tracking, model-based tracking...

chapter

Dynamic Textures and Covariance Stationary Series Analysis Using Strategic Motion Coherence

Kanoksak Wattanachote, Yong Wang, Timothy K. Shih, Hui-Huang Hsu, more

2017 IEEE 31st International Conference on Advanced Information Networking and Applications (AINA) > 205 - 212

2017 IEEE 31st International Conference on Advanced Information Networking and Applications (AINA)

Dynamic texture describes images sequence that continuously demonstrates movement of pixels intensity change patterns in time, for example, smoke, fire, waterfall, sea-waves, foliage, traffic on highway and so on. Motion coherence analysis on dynamic textures is usually observed through their motion vector fields. We implement strategic motion coherence analysis to evaluate the coherent motion on...

chapter

Preliminary Investigation on Stationarity of Dynamic Smoke Texture and Dynamic Fire Texture Based on Motion Coherent Metric

Kanoksak Wattanachote, Kuan Li, Yong Wang, Timothy K. Shih, more

2017 International Conference on Machine Vision and Information Technology (CMVIT) > 99 - 104

2017 International Conference on Machine Vision and Information Technology (CMVIT)

Motion coherence index is a metric to evaluate the coherent motion among vectors. In this article, we propose a coherent motion indicator to describe coherent motion among four adjacent vectors. For the preliminary investigation on stationarity of dynamic texture, the coherent motion indicator is proposed as an attribute of vector. The coherent motion indicator is calculated by averaging the angular...

article

Indoor localization and navigation using smartphone sensory data

Hui-Huang Hsu, Jung-Kuei Chang, Wei-Jan Peng, Timothy K. Shih, more

Annals of Operations Research > 2018 > 265 > 2 > 187-204

In the cloud age, it is quite easy to collect sensory data from smartphones. With these sensory data, it is desired to provide various kinds of applications to serve the user. In this research, we aim at developing an indoor navigation system on smartphone using solely smartphone sensory data. There are many researches on indoor localization and navigation in the literature. Nevertheless, environmental...

article

Markov-based Emergency Message Reduction Scheme for Roadside Assistance

Hsin-Hung Cho, Fan-Hsun Tseng, Timothy K. Shih, Cong Zhang, more

Mobile Networks and Applications > 2017 > 22 > 5 > 859-867

Currently, almost every family has at least one car; thus, vehicle density is increasing annually. However, road capacity is finite; consequently, traffic accident frequency may increase due to increasing vehicle density. Typically, car accidents result in traffic congestion because vehicles behind the accident are not aware of the event and continue to follow the front queue. To address this problem,...

chapter

Repository and Search Based on Distance Learning Standards

Neil Y. Yen, Timothy K. Shih, Louis R. Chao

Lecture Notes in Computer Science > Hybrid Learning and Education > Keynote > 1-12

With the popularity of Internet technologies and the development of search engine, people request various kinds of information through Web-based services. In distance learning (or e-learning), SCORM (i.e., Sharable Content Object Reference Model) provides an efficient way for learning objects to be reused and shared. In order to meet a federated repository goal such that Learning Objects are found,...

chapter

Integrating IRT to Estimate Learning Ability with S-P Chart in Web Based Learning Environment

Wen-Chih Chang, Hsuan-Che Yang, Timothy K. Shih, Mao-Fan Li

Lecture Notes in Computer Science > Advances in Blended Learning > Practice and Experience Sharing > 133-145

E-learning provides people a convenient and efficient way for learning things. But is no appropriate way to estimate and diagnose students in e-learning environment. Sato’s student-problem chart is one of the analysis methods for diagnosing students learning conditions. For learning ability estimation issue, Item Response Theory which plays an important role in modern mental test theory is applied...

book

Visual Informatics: Sustaining Research and Innovations

Halimah Badioze Zaman, Peter Robinson, Maria Petrou, Patrick Olivier, more

Lecture Notes in Computer Science

The two-volume set LNCS 7066 and LNCS 7067 constitutes the proceedings of the Second International Visual Informatics Conference, IVIC 2011, held in Selangor, Malaysia, during November 9-11, 2011.The 71 revised papers presented were carefully reviewed and selected for inclusion in these proceedings. They are organized in topical sections named computer vision and simulation; virtual image processing...

article

Automatic Dynamic Texture Transformation Based on a New Motion Coherence Metric

Kanoksak Wattanachote, Timothy K. Shih

IEEE Transactions on Circuits and Systems for Video Technology > 2016 > 26 > 10 > 1805 - 1820

Changing dynamic texture appearances can create new looks in both the motion and color appearances of videos. Dynamic textures with sophisticated shape and motion appearance are difficult to represent by physical models and are difficult to predict, especially for transformation to new motion texture. We propose a dynamic texture transformation algorithm for the video sequences based on the motion...

chapter

Enhanced SA-based charging algorithm for WRSN

Wei-Che Chien, Hsin-Hung Cho, Han-Chiech Chao, Timothy K. Shih

2016 International Wireless Communications and Mobile Computing Conference (IWCMC) > 1012 - 1017

2016 International Wireless Communications and Mobile Computing Conference (IWCMC)

The wireless rechargeable sensor network is a technology to solve lifetime problem for wireless sensor network. Most researches discussed about the outdoor scenario but there are few studies focused on the indoor scenario. Actually, wireless sensor network is very important for the indoor scenario. The reason is that sensors help factory control production for better quality as well as both of disaster...

INFONA - science communication portal

Search results for: Timothy K. Shih

Rule-based Explaining Module : Enhancing the Interpretability of Recurrent Relational Network in Sudoku Solving

CMAIR: content and mask-aware image retargeting

Guest editorial: special issue on social media and interactive technologies

Creating waterfall animation on a single image

Objective HDR image quality assessment

Online courses recommendation system based on industry occupation skills requirements

Human fall detection based on event pattern matching with ultrasonic array sensors

Create a puppet play and interative digital models with leap Motion

Filling holes in 3D scanned model base on 2D image inpainting

RFID-Based intelligent parking management system with indoor positioning and dynamic tracking

3D finger tracking and recognition image processing for real-time music playing with depth sensors

Dynamic Textures and Covariance Stationary Series Analysis Using Strategic Motion Coherence

Preliminary Investigation on Stationarity of Dynamic Smoke Texture and Dynamic Fire Texture Based on Motion Coherent Metric

Indoor localization and navigation using smartphone sensory data

Markov-based Emergency Message Reduction Scheme for Roadside Assistance

Repository and Search Based on Distance Learning Standards

Integrating IRT to Estimate Learning Ability with S-P Chart in Web Based Learning Environment

Visual Informatics: Sustaining Research and Innovations

Automatic Dynamic Texture Transformation Based on a New Motion Coherence Metric

Enhanced SA-based charging algorithm for WRSN

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