Articles

Erratum to: Refining deep convolutional features for improving fine-grained image recognition

Authors: Weixia Zhang, Jia Yan, Wenxuan Shi, Tianpeng Feng and Dexiang Deng

A variant of the Hough Transform for the combined detection of corners, segments, and polylines

The Hough Transform (HT) is an effective and popular technique for detecting image features such as lines and curves. From its standard form, numerous variants have emerged with the objective, in many cases, o...

Authors: Pilar Bachiller-Burgos, Luis J. Manso and Pablo Bustos

Robust image hashing through DWT-SVD and spectral residual method

In the last few decades, the discovery of various methods for generating secure image hash has become revolutionary in the field of image hashing. This paper presents an efficient approach to obtain image hash...

Authors: Ram Kumar Karsh, R. H. Laskar and Aditi

DTCTH: a discriminative local pattern descriptor for image classification

Despite lots of effort being exerted in designing feature descriptors, it is still challenging to find generalized feature descriptors, with acceptable discrimination ability, which are able to capture promine...

Authors: Md. Mostafijur Rahman, Shanto Rahman, Rayhanur Rahman, B. M. Mainul Hossain and Mohammad Shoyaib

Recursive non-local means filter for video denoising

In this paper, we propose a computationally efficient algorithm for video denoising that exploits temporal and spatial redundancy. The proposed method is based on non-local means (NLM). NLM methods have been a...

Authors: Redha A. Ali and Russell C. Hardie

Glyph-based video visualization on Google Map for surveillance in smart cities

Video visualization (VV) is considered to be an essential part of multimedia visual analytics. Many challenges have arisen from the enormous video content of cameras which can be solved with the help of data a...

Authors: Fozia Mehboob, Muhammad Abbas, Saad Rehman, Shoab A. Khan, Richard Jiang and Ahmed Bouridane

Refining deep convolutional features for improving fine-grained image recognition

Fine-grained image recognition, a computer vision task filled with challenges due to its imperceptible inter-class variance and large intra-class variance, has been drawing increasing attention. While manual a...

Authors: Weixia Zhang, Jia Yan, Wenxuan Shi, Tianpeng Feng and Dexiang Deng

Segmentation method based on multiobjective optimization for very high spatial resolution satellite images

In this paper, a new multicriterion segmentation method has been proposed to be applied to satellite image of very high spatial resolution (VHSR). It is consisted of the following process: For each region of t...

Authors: Saleh El Joumani, Salah Eddine Mechkouri, Rachid Zennouhi, Omar El Kadmiri and Lhoussaine Masmoudi

Online motion smoothing for video stabilization via constrained multiple-model estimation

Video stabilization smooths camera motion estimates in a way that should adapt to different types of intentional motion. Corrective motion (the difference between smoothed and original motions) should be const...

Authors: Chao Jia and Brian L. Evans

A novel architecture for parallel multi-view HEVC decoder on mobile device

The multi-view HEVC (MV-HEVC) extension was finalized in July of 2014 by the Moving Picture Experts Group and the Video Coding Experts Group. Recently, multi-view videos based on stereo representations are bec...

Authors: Wei Liu, Jiao Li and Yong B. Cho

Instant messaging with emotion-embedded vectorized handwritings on mobile devices

Generally, handwriting can reflect writers’ personality, thoughts, and emotions, i.e., handwriting can deliver emotion- and sincereness-embedded messages. However, texting messages and notes such as emails and...

Authors: Nai-Sheng Syu, Jia-Wei Kuo, Chih-Yuan Yao, Shan-Hsiang Shen and Yu-Chi Lai

Selection of optimal pixel resolution for landslide susceptibility analysis within the Bukit Antarabangsa, Kuala Lumpur, by using image processing and multivariate statistical tools

Landslides are considered as one of the natural hazards responsible for casualties, damage of assets, and infrastructures. In many situations, collection of field data from remote places is difficult due to in...

Authors: Iqbal Quraishi, Abul Hasnat and J. Paul Choudhury

Enhanced resampling detection based on image correlation of 3D stereoscopic images

In this paper, we propose a resampling detection method for stereoscopic images. Although previous resampling techniques can be applied to stereoscopic images, performance improvement is hard to be expected wi...

Authors: Hak-Yeol Choi, Dai-Kyung Hyun, Sunghee Choi and Heung-Kyu Lee

Image analysis using new set of separable two-dimensional discrete orthogonal moments based on Racah polynomials

In this paper, we propose three new separable two-dimensional discrete orthogonal moments baptized: RTM (Racah-Tchebichef moments), RKM (Racah-Krawtchouk moments), and RdHM (Racah-dual Hahn moments). We presen...

Authors: Imad Batioua, Rachid Benouini, Khalid Zenkouar and Hakim El Fadili

Querying geo-tagged videos for vision applications using spatial metadata

In this paper, we propose a novel geospatial image and video filtering tool (GIFT) to select the most relevant input images and videos for computer vision applications with geo-tagged mobile videos. GIFT tight...

Authors: Yinghao Cai, Ying Lu, Seon Ho Kim, Luciano Nocera and Cyrus Shahabi

A fast 3D scene reconstructing method using continuous video

Accurate 3D measuring systems thrive in the past few years. Most of them are based on laser scanners because these laser scanners are able to acquire 3D information directly and precisely in real time. However...

Authors: Bo-Yi Sung and Chang-Hong Lin

Deep learning hashing for mobile visual search

The proliferation of mobile devices is producing a new wave of mobile visual search applications that enable users to sense their surroundings with smart phones. As the particular challenges of mobile visual s...

Authors: Wu Liu, Huadong Ma, Heng Qi, Dong Zhao and Zhineng Chen

Introduction to the special issue on computer vision in road safety and intelligent traffic

Authors: Ankit Chaudhary, Reinhard Klette, J. L. Raheja and Xia Jin

Prediction architecture based on block matching statistics for mixed spatial-resolution multi-view video coding

The use of mixed spatial resolutions in multi-view video coding is a promising approach for coding videos efficiently at low bitrates. It can achieve a perceived quality, which is close to the view with the hi...

Authors: Hany Said, Mansour Moniri and Claude C. Chibelushi

High payload secret hiding technology for QR codes

Quick response (QR) code has become one of the more popular two-dimensional barcodes because of its greater data capacity and higher damage resistance. The barcode scanners can easily extract the information h...

Authors: Pei-Yu Lin and Yi-Hui Chen

Quantization-based image authentication scheme using QR error correction

Image authentication, which is provided with capabilities of tamper detection and data recovery, is an efficient way to protect the contents of digital images. Vector quantization (VQ) is a data compression me...

Authors: Wen-Chuan Wu

A hybrid NSCT domain image watermarking scheme

At present, dealing with the piracy and tampering of images has become a notable challenge, due to the presence of smart mobile gadgets. In this paper, we propose a novel watermarking algorithm based on non-su...

Authors: Kai-Lung Hua, Bi-Ru Dai, Kathiravan Srinivasan, You-Hsiang Hsu and Vishal Sharma

A perceptual quality metric for dynamic triangle meshes

A measure for assessing the quality of a 3D mesh is necessary in order to determine whether an operation on the mesh, such as watermarking or compression, affects the perceived quality. The studies on this fie...

Authors: Zeynep Cipiloglu Yildiz and Tolga Capin

Design of image barcodes for future mobile advertising

Mobile advertising refers to communication in which mobile phones are used as a medium to efficiently attract potential customers. Among mobile advertising applications, barcodes are becoming a very powerful m...

Authors: Yung-Yao Chen, Kuan-Yu Chi and Kai-Lung Hua

Gradient-based pre-processing for intra prediction in High Efficiency Video Coding

In order to reach higher coding efficiency compared to its predecessor, a state-of-the-art video compression standard, the High Efficiency Video Coding (HEVC), has been designed to rely on many improved coding...

Authors: Anis BenHajyoussef, Tahar Ezzedine and Ammar Bouallègue

Multiple-image super-resolution on mobile devices: an image warping approach

This paper discusses a super-resolution (SR) system implemented on a mobile device. We utilized an Android device’s camera to take successive shots and applied a classical multiple-image super-resolution (SR) ...

Authors: Neil Patrick Del Gallego and Joel Ilao

Video exhibition with adjustable augmented reality system based on temporal psycho-visual modulation

Augmented reality (AR) has been widely applied in our lives. An AR tag is usually used and stacked on products for sake of being detected and recognized easily. With the recognized pattern, the AR system there...

Authors: Pei-Yu Lin, Bin You and Xiaoyong Lu

Photo-id of blue whale by means of the dorsal fin using clustering algorithms and color local complexity estimation for mobile devices

We present an automatic program of blue whale photo-identification for mobile devices. The proposed technique works in the wavelet domain to reduce the image size and the processing time of the proposed algori...

Authors: Blanca E. Carvajal-Gámez, David B. Trejo-Salazar, Diane Gendron and Francisco J. Gallegos-Funes

Erratum to: Sequential Monte Carlo filter based on multiple strategies for a scene specialization classifier

Authors: Houda Maâmatou, Thierry Chateau, Sami Gazzah, Yann Goyat and Najoua Essoukri Ben Amara

Non-Gaussian amplitude PDF modeling of ultrasound images based on a novel generalized Cauchy-Rayleigh mixture

In this paper, a mixture of generalized Cauchy distribution and Rayleigh distribution that possesses a closed-form expression is proposed for modeling the heavy-tailed Rayleigh (HTR) distribution. This new app...

Authors: Mohammadreza Hassannejad Bibalan and Hamidreza Amindavar

A novel comparative deep learning framework for facial age estimation

Developing automatic facial age estimation algorithms that are comparable or even superior to the human ability in age estimation becomes an attractive yet challenging topic emerging in recent years. The conve...

Authors: Fatma S. Abousaleh, Tekoing Lim, Wen-Huang Cheng, Neng-Hao Yu, M. Anwar Hossain and Mohammed F. Alhamid

Fast ℓ ₁-minimization algorithm for robust background subtraction

This paper proposes an approximative ℓ ₁-minimization algorithm with computationally efficient strategies to achieve real-time performance of sparse model-based background subtraction. We ...

Authors: Huaxin Xiao, Yu Liu and Maojun Zhang

Line and circle detection using dense one-to-one Hough transforms on greyscale images

By estimating the first-order (direction) and second-order (curvature) derivatives in an image, the parameters of a line or circle passing through a point may be uniquely defined in most cases. This allows to ...

Authors: Antoine Manzanera, Thanh Phuong Nguyen and Xiaolei Xu

Entropy-weighted feature-fusion method for head-pose estimation

This paper proposes a novel entropy-weighted Gabor-phase congruency (EWGP) feature descriptor for head-pose estimation on the basis of feature fusion. Gabor features are robust and invariant to differences in ...

Authors: Xiao-Meng Wang, Kang Liu and Xu Qian

Towards efficient mobile image-guided navigation through removal of outliers

A novel approach for positioning using smartphones and image processing techniques is developed. Using structure from motion, 3D reconstructions of given tracks are created and stored as sparse point clouds. Q...

Authors: Ekaterina Sirazitdinova, Stephan M. Jonas, Jan Lensen, Deyvid Kochanov, Richard Houben, Hans Slijp and Thomas M. Deserno

Reversible data hiding using least square predictor via the LASSO

Reversible watermarking is a kind of digital watermarking which is able to recover the original image exactly as well as extracting hidden message. Many algorithms have aimed at lower image distortion in highe...

Authors: Hee Joon Hwang, SungHwan Kim and Hyoung Joong Kim

A classification of on-road obstacles according to their relative velocities

The systems based on image processing have numerous applications in the domain of motion control of robots and autonomous vehicles. The current paper is oriented to the solution of the problem that precedes th...

Authors: Mourad Bendjaballah, Stevica Graovac and Mohammed Amine Boulahlib

Sequential Monte Carlo filter based on multiple strategies for a scene specialization classifier

Transfer learning approaches have shown interesting results by using knowledge from source domains to learn a specialized classifier/detector for a target domain containing unlabeled data or only a few labeled...

Authors: Houda Maâmatou, Thierry Chateau, Sami Gazzah, Yann Goyat and Najoua Essoukri Ben Amara

Spatio-temporal information for human action recognition

Human activity recognition in videos is important for content-based videos indexing, intelligent monitoring, human-machine interaction, and virtual reality. This paper uses the low-level feature-based framewor...

Authors: Li Yao, Yunjian Liu and Shihui Huang

Erratum to: A comprehensive survey of handwritten document benchmarks: structure, usage and evaluation

Authors: Muhammad Rashid Hussain, Ahsen Raza, Imran Siddiqi, Khurram Khurshid and Chawki Djeddi

Multithreading cascade of SURF for facial expression recognition

We propose a novel and general framework called the multithreading cascade of Speeded Up Robust Features (McSURF), which is capable of processing multiple classifications simultaneously and accurately. The pro...

Authors: Jinhui Chen, Zhaojie Luo, Tetsuya Takiguchi and Yasuo Ariki

Single image super-resolution by directionally structured coupled dictionary learning

In this paper, a new algorithm is proposed based on coupled dictionary learning with mapping function for the problem of single-image super-resolution. Dictionaries are designed for a set of clustered data. Da...

Authors: Junaid Ahmed and Madad Ali Shah

An adaptive gamma correction for image enhancement

Due to the limitations of image-capturing devices or the presence of a non-ideal environment, the quality of digital images may get degraded. In spite of much advancement in imaging science, captured images do...

Authors: Shanto Rahman, Md Mostafijur Rahman, M. Abdullah-Al-Wadud, Golam Dastegir Al-Quaderi and Mohammad Shoyaib

Writer verification based on a single handwriting word samples

The writer recognition task has received a lot of interests during the last decade due to it wide range of applications. This task includes writer identification and/or writer verification. However, all the re...

Authors: Ameur Bensefia and Thierry Paquet

Low-power depth-based descending stair detection for smart assistive devices

Assistive technologies aim at improving personal mobility of individuals with disabilities, increasing their independence and their access to social life. They include mechanical mobility aids that are increas...

Authors: Séverine Cloix, Guido Bologna, Viviana Weiss, Thierry Pun and David Hasler

Efficient and accurate document image classification algorithms for low-end copy pipelines

The copy mode selection, such as the text mode and photo mode, of a digital copy machine can provide suitable process and enhancement for the scanned image. To classify the scanned image without expensive hard...

Authors: Wen-Hsiung Huang, Yung-Yao Chen, Pei-Yu Lin, Che-Hao Hsu and Kai-Lung Hua

Image decomposition-based structural similarity index for image quality assessment

Perceptual image quality assessment (IQA) adopts a computational model to assess the image quality in a fashion, which is consistent with human visual system (HVS). From the view of HVS, different image region...

Authors: Junfeng Yang, Yaping Lin, Bo Ou and Xiaochao Zhao

Image splicing detection based on inter-scale 2D joint characteristic function moments in wavelet domain

In this paper, we propose an image splicing detecting method using the characteristic function moments for the inter-scale co-occurrence matrix in the wavelet domain. We construct the co-occurrence matrices by...

Authors: Tae Hee Park, Jong Goo Han, Yong Ho Moon and Il Kyu Eom

A parallel camera image signal processor for SIMD architecture

An image signal processor (ISP) for a camera image sensor consists of many complicated functions; in this paper, a full chain of the ISP functions for smart devices is presented. Each function in the proposed ...

Authors: Seung-Hyun Choi, Junguk Cho, Yong-Min Tai and Seong-Won Lee

Towards key-frame extraction methods for 3D video: a review

The increasing rate of creation and use of 3D video content leads to a pressing need for methods capable of lowering the cost of 3D video searching, browsing and indexing operations, with improved content sele...

Authors: Lino Ferreira, Luis A. da Silva Cruz and Pedro Assuncao