Results 1 to 10 of about 21,319 (267)
A Novel Content-based Image Retrieval System using Fusing Color and Texture Features [PDF]
Journal of Artificial Intelligence and Data Mining, 2022 Content based image retrieval (CBIR) systems compare a query image with images in a dataset to find similar images to a query image. In this paper a novel and efficient CBIR system is proposed using color and texture features.
S. Asadi Amiri +2 more
doaj +1 more source
Secured Medical Image Hashing Based on Frequency Domain with Chaotic Map [PDF]
Engineering and Technology Journal, 2021 Recently, online-medicine got increased global interest, particularly during COVID19 pandemic. Data protection is important in the medical field since when promoting telemedicine applications, it is necessary to protect the patient data and personal ...
Amira Jabbar +2 more
doaj +1 more source
Indagatio Didactica, 2023 Este estudo foca-se na utilização de pequenas histórias com História da Matemática por futuros professores do 1.º Ciclo do Ensino Básico (1.º CEB) e do modo como estes propõem incluí-las em sala de aula.
João Eiras de Matos +2 more
doaj +1 more source
Hematology, Transfusion and Cell Therapy, 2021 Resumo: Levantamento do quantitativo de hemocomponentes transfundidos no Pós-operatório de pacientes submetidos à cirurgia de grande porte e que se encontram alocados na Unidade de Terapia Intensiva de um Hospital Filantrópico de Brasília.
DCT Leite, LEB Oliveira, MRM Soares
doaj +1 more source
ORFEO, THE PLEIADES ACCOMPANIMENT PROGRAM AND ITS USERS THEMATIC COMMISSIONING [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012 ORFEO, the PLEIADES Accompaniment Program, was set up by CNES, the French Space Agency, to prepare, accompany and promote the use and the exploitation of the images acquired by this Very High Resolution optical sensor. It was initiated in 2004 and will
C. Tinel +4 more
doaj +1 more source
A Novel Hybrid Watermarking scheme with Image authentication based on frequency domain, 2- Level SVD using chaotic map [PDF]
EAI Endorsed Transactions on Energy Web, 2021 INTRODUCTION: In order to protect the owner’s visual multimedia data, various watermarking methods have introducedin the last few years. In image watermarking techniques, a secret watermark image inserted into another image.OBJECTIVES: The main aim of ...
Shahzad Alam, Tanvir Ahmad, M. Doja
doaj +1 more source
ViSTORY: Effective Video Storyboard Generation with Visual Keyframes using Discrete Cosine Transform
International Journal of Technology, 2023 Nowadays, multimedia content utility is increasing rapidly. Multimedia search engines like Google, Yahoo, Bing, etc., are available just a click away to all users. There are around 500-600 hours of video uploads per unit of time to the Internet.
Ashvini Tonge, Sudeep Thepade
doaj +1 more source
Image Watermarking Using DWT_DCT [PDF]
Engineering and Technology Journal, 2010 Digital watermarking has been developed to protect digital images fromillegal manipulation. Discrete wavelet Transform (DWT) and Discrete Cosine Transform (DCT) are techniques used for digital watermarking.
Bassim Abdulbaki Jumaa, Arwa Aladdin
doaj +1 more source
Доклады Белорусского государственного университета информатики и радиоэлектроники, 2021 The hardware implementations of fixed-point DCT blocks, known as IntDCT [1] and BinDCT [2], require some solutions. One of the main issues is the choice between the implementation of the conversion on FPGA, or the implementation on a digital signal ...
V. V. Kliuchenia
doaj +1 more source
A new watermarking scheme for digital videos using DCT
Open Computer Science, 2022 With the advent of high-speed broadband Internet access, the need to protect digital videos is highly recommended. The main objective of this study is to propose an adaptive algorithm for watermarked digital videos in the frequency domain based on ...
Al-Gindy Ahmed +5 more
doaj +1 more source