Extraction of text from images and videos

... challenges of scene text and video text are listed in Table 2.1 While the majority of the challenges are common to both scene text and video text, some of them are applicable to only one type of text ... text extraction in images and videos We formally define the problem and the scope of study in the next section 1.1 Problem Description and Scope of Study Given an image or a video, the goal of text ... addresses the problem of text extraction in natural scene images and in videos, which typically consists of text localization, tracking, enhancement, binarization and recognition Text localization,...

Extraction of anthocyanins from industrial purple ﬂeshed sweetpotatoes and

... anthocyanin and phenolic concentrations during anthocyanin extraction from purple- ﬂeshed ISPs In addition, the effect of initial extraction conditions on the production of fermentable sugars from purple- ﬂeshed ... Samples 3.1 Extraction of anthocyanins and subsequent hydrolysis of ISP residues The analysis of variance (ANOVA) for the main and interaction effects of solvent type, extraction temperature and solid ... (Delgado-Vargas and Paredes-Lopez, 2003; Kong et al., 2003) Research on extracting anthocyanins from fruits and vegetables including purple- ﬂeshed sweetpotato powder, purple corn, red and black currants, and...

Báo cáo hóa học: " Research Article A Nonlinear Decision-Based Algorithm for Removal of Strip Lines, Drop Lines, Blotches, Band Missing and Impulses in Images and Videos" docx

... median/mean algorithm for removal of drops lines, strip lines, white bands, black bands, blotches, and impulses with minimum of blurring is developed The performance is evaluated in terms of MSE, ... eﬀective in the removal of drop lines, strip lines, white bands, black bands, and blotches along with impulse noise varying upto 70% The advantage of the proposed algorithm is that a single algorithm ... problem of strip lines, drop lines, blotches, and band missing in images The objective of this paper is to propose an adaptive length median/mean algorithm that can simultaneously remove impulses, strip...

Chlorine free extraction of cellulose from rice husk and whisker isolation

... silicon carbide whiskers from RH (Sujiroti & Leangsuwan, 2003) and of cellulose whiskers from rice straws (Orts et al., 2005) So, the fractionation of lignocellulosic materials of rice husks into ... 2009) and coconut husks (Rosa et al., 2010) As far as we know, the isolation of cellulose whiskers from rice husk sources has not been yet described in the literature but only the isolation of silicon ... exciting way to increase the understanding of rice husk cellulose thermal properties The effects of temperature on amorphous and crystalline regions of rice husk cellulose were studied by MDSC S.M.L...

Extraction of features from fundus images for glaucoma assessment

... disease Currently, there are three methods for detecting glaucoma: assessment of abnormal visual field, assessment of intraocular pressure (IOP) and assessment of optic nerve damage Visual field testing ... An example of color fundus image 2.1 Histogram of a bimodal image 2.2 Gradient vector flow [22] Left: deformation of snake with GVF forces Middle: GVF external forces Right: ... various ocular diseases, including glaucoma In this work, we will present a system to diagnose glaucoma from fundus images Figure 1.1: An example of color fundus image Chapter Introduction 1.2...

Comparison of Methods for the Extraction of Bioflocculants from Activated Sludge

... an effort to develop an effective extraction method for bioflocculants from the microbial cell surface Materials and Methods Activated sludge samples Activated sludge samples were collected from ... was the most effective extraction method for activated sludge However, cell disruption is not effective for the isolation of bioflocculants Thus, NaOH extraction was the most effective method for ... polymer extraction methods (steaming extraction, NaOH extraction, SDS extraction, and washing extraction) were compared to develop an effective extraction method for bioflocculants from activated sludge...

in vitro release of ketoprofen from proprietary and extemporaneously manufactured gels

... loading concentration and solvent composition on the in vitro release of ketoprofen To compare and contrast the in vitro release rates of ketoprofen from proprietary gel products and extemporaneously ... Structure of ketoprofen 36 Stereochemistry of ketoprofen 37 Synthesis of ketoprofen starting from (3-carboxy-phenyl)-2-propionitrile .39 Synthesis of ketoprofen starting from 2-(4-aminophenyl)-propionic ... Effect of molarity and pH on the diffusion profile of ketoprofen .85 Effect of temperature on the diffusion profile of ketoprofen 86 Effect of mass on the diffusion profile of ketoprofen ...

High efficient column chromatographic extraction of curcumin from curcuma longa

... different columns from low to high contents of curcumin The cyclic chromatographic extraction reduced extensively the volumes of the solvent and the ﬁnal extraction solution with high extraction ... Natural Science Fund (10151063101000002) References Fig Column- chromatographic extraction of curcumin from turmeric A: Extraction of curcumin from turmeric through the CCE method with 80% ethanol, ... spectrum are bisdemethoxycurcumin, demethoxycurcumin and curcumin, respectively B: Extraction of curcumin from turmeric with different concentrations of ethanol C: Absorbance of the solvent by turmeric...

Báo cáo nghiên cứu khoa học: "MICROWAVE-ASSISTED EXTRACTION OF POLYPHENOLS FROM FRESH TEA SHOOT" pps

... green tea (humility usually from to %) 3.1.3.Effect of radiation time on the extraction of polyphenols Polyphenols concentration in the extracts was rapidly increased in the first minutes of extraction ... Microwave-assisted extraction of tea polyphenols and tea caffeine from green tea leaves, Chemical engineering and processing 42, 129 – 133, 2003 [9] Carmen W Huie, A review of modern sample-preparation ... yield of MAE method 3.1.5 Comparison of the results of extraction with MAE and other methods Other extraction procedures (conventional heating reflux extraction method, ultrasoundassisted extraction...

Human visual perception, study and applications to understanding images and videos

... hypothesis that looking at media and human perception together, is a more holistic way to look at problems relating to image and video understanding than to try and understand visual content alone in ... thousands of videos and images, to millions of video clips in communities such as YouTube and billions of images on repositories such as Flickr or Picasa It becomes useful and necessary to automate ... Work 49 2.1 Human Visual Perception and Visual Attention 49 2.2 Eye-gaze as an artifact of Human Visual Attention 49 2.3 Image Understanding 52 2.4 Understanding video...

Membrane protected micro solid phase extraction of pharmaceuticals from environmental water samples

... Liquid-liquid extraction LOD Limit of detection LOQ Limit of quantification muSPE Micro solid phase extraction using mixed matrix membrane μ-SPE Membrane bag micro solid phase extraction MPME Membrane protected ... Membrane- assisted micro- solid phase extraction (μ-SPE) is a recently introduced sample preparation technique that integrates microextraction paradigms and membrane microfiltration with solid phase extraction ... METHODS OF PREPARING ENVIRONMENTAL WATER SAMPLES FOR PAI ANALYSIS Solid phase extraction (SPE) using Oasis HLB® sorbents remains the conventional strategy of preparing environmental water samples...

Báo cáo khoa học: "A concurrent approach to the automatic extraction of subsegmental primes and phonological constituents from speech" docx

... separate stages of lexical access and process repair concurrently Phonological primes and constituents Much of the phonological research work of the past twenty years has focussed on phonological ... middle and high frequency parts of the vocal range and the angular frequencies to( F) and amplitudes a(F) of formants The first four cues dp, to {h are properties of a single spectral slice, and the ... at the centre of a segment with values at entrance and exit boundary They describe the context of a segment without going to the computational complexity of triphone HMMs (e.g Young 1996) The...

extraction of liquid crystals from flat panel display devices using both liquid and supercritical carbon dioxide

... Demonstration of the disassembly of a defunct LCD Carbon dioxide extraction was carried out using a Thar Technologies SFE-500F-2-FMC System and liquid withdrawal carbon dioxide (99.9 %) The extraction ... for extraction of liquid crystals from defunct display devices with high efficiency MATERIALS AND METHODS A LCD (Figure 2A) device may be disassembled by removal of screws securing the back panel ... potential recovery of tonnes of liquid crystals with a market value of between 27 and 187 million dollars dependent on liquid crystal quality; 900 kg of indium and 8,000 tonnes of optical quality...

Báo cáo hóa học: "Recovery and Visualization of 3D Structure of Chromosomes from Tomographic Reconstruction Images" potx

... for an automatic recovery and visualization of a 3D chromosome structure from a sequence of 2D tomographic reconstruction images taken through the nucleus of a cell Structure is very important ... method of real-time visualization of a 4D volume visualization of a beating heart using the graphics processing unit [19] Most techniques for the segmentation and visualization of 3D biological structures ... published on visualization and 3D reconstruction of large and small biological objects based on various imaging modalities Volume rendering is the process of generating a 3D organ from 2D image...

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