Results 51 to 60 of about 57,483 (246)

A Manipulação Temporária de Arquivos JPEG afeta a densidade optica das imagens?

Revista da Faculdade de Odontologia de Porto Alegre, 2005
Para avaliar se a manipulação temporária de imagens digitais armazenadas no formato JPEG altera a sua densidade óptica, 26 radiografias periapicais de arquivo foram digitalizadas através de scanner, armazenadas no formato JPEG 12 e digfitalmente ...
Renata LICKS, Vania FONTANELLA, Célia Regina Winck MAHL, Sérgio MIGUENS JUNIOR   +3 more
doaj   +1 more source

A Statistical Modeling Framework for DCT Coefficients of Tampered JPEG Images and Forgery Localization

IEEE Access, 2022
Various manipulations on JPEG images introduce single and multiple compression artifacts for forged and unmodified areas respectively. Based on the statistical analysis of JPEG compression cycle and on the finite mixture paradigm, we propose in this ...
Nhan Le, Florent Retraint
doaj   +1 more source

Identifying Venous Insufficiency in Head and Neck Reconstruction Flaps Using Machine Learning and Deep Learning Methods

Head &Neck, EarlyView.
ABSTRACT Background Venous insufficiency is a major cause of flap failure in head and neck reconstruction. AI provides a reliable, convenient solution for early detection. Methods Clinical data and postoperative flap photos of head and neck cancer patients (2018–2024) at our center were retrospectively collected, categorized into normal and venous ...
Yurong He, Jugao Fang, Lizhen Hou, Zufei Li, Shizhi He, Yanming Zhao, Qijia Li, Rongjia Li, Xiaoyu Shi, Jiayi Yang, Qi Zhong   +10 more
wiley   +1 more source

sj-jpeg-1-ijs-10.1177_10668969221113495 - Supplemental material for Traditional Serrated Adenoma of the Urinary Bladder: The First Report

, 2022
Supplemental material, sj-jpeg-1-ijs-10.1177_10668969221113495 for Traditional Serrated Adenoma of the Urinary Bladder: The First Report by Şule Özsoy, Kemal Deniz, Mustafa Zafer Temiz and Atilla Semerciöz in International Journal of Surgical ...
Kemal Deniz (10393780), Atilla Semerciöz (13177402), Mustafa Zafer Temiz (12099527), Şule Özsoy (13177399)   +3 more
core   +1 more source

Computer‐Aided Diagnosis in the Evaluation of Thyroid Nodules: A Study of Intra‐ And Inter‐Rater Reliability and Agreement

Head &Neck, EarlyView.
ABSTRACT Objective To evaluate the intra‐ and inter‐rater reliability of a computer‐aided diagnosis system applied to thyroid nodule assessment. Methods This prospective, single‐center study included 150 thyroid nodules evaluated by two physicians at two time points, 90 days apart.
Leonardo de Souza Piber, Luis Carlos Uta Nakano, Carolina Dutra Queiroz Flumignan, Ronald Luiz Gomes Flumignan   +3 more
wiley   +1 more source

Hamming Code in JPEG Image Steganography within the Discrete Cosine Transform Domain

Journal of Applied Informatics and Computing
This study proposes a novel JPEG image steganography method that combines Least Significant Bit (LSB) embedding in the Discrete Cosine Transform (DCT) domain with Hamming Code (2k − 1, 2k − k − 1) to minimize the number of modified DCT coefficients ...
Dian Zulfikar, Hermanto Hermanto
doaj   +1 more source

PP-JPEG: A Privacy-Preserving JPEG Image Tampering Localization

Journal of Imaging, 2023
The widespread availability of digital image processing softwares has given rise to various forms of image manipulation and forgery which can pose a significant challenge in different fields such as law enforcement, journalism etc,. it can also lead a privacy concern.
Riyanka Jena, Priyanka Singh 0001, Manoranjan Mohanty   +2 more
openaire   +4 more sources

Morphological patterns of buccal bone plate in the maxillary esthetic zone: A cross‐sectional study

Journal of Periodontology, EarlyView.
Abstract Background This cross‐sectional study aimed to characterize buccal bone plate (BBP) morphological patterns in anterior maxillary teeth and to evaluate their association with other phenotypical and local anatomical characteristics. Methods Two examiners conducted a qualitative assessment of BBP morphological patterns using cone‐beam computed ...
Danijel Domic, Diogo Moreira Rodrigues, Emilio Couso‐Queiruga, Eliane Porto Barboza, Mariano Sanz, Christian Ulm, Gustavo Avila‐Ortiz   +6 more
wiley   +1 more source

ParametricPress/01-unraveling-the-jpeg: Initial public release

, 2019
JPEG is the most popular image format in history.
Matthew Conlen, Omar Shehata
core   +1 more source

sj-jpeg-3-gut-10.1177_26345161231178351 – Supplemental material for The Impact of Disparities on Minimally Invasive Esophagectomy After the 2014 Affordable Care Act Expansion: A Retrospective Analysis

, 2023
Supplemental material, sj-jpeg-3-gut-10.1177_26345161231178351 for The Impact of Disparities on Minimally Invasive Esophagectomy After the 2014 Affordable Care Act Expansion: A Retrospective Analysis by Avanti Badrinathan, Thomas A. Syphan, Aria Bassiri,
Jessica Linden (16018840), Thomas A. Syphan (16018837), Jillian Sinopoli (15448641), Aria Bassiri (15448638), Christine E. Alvarado (14306099), Avanti Badrinathan (15448635), Leonidas Tapias Vargas (16018843), Christopher W. Towe (14306111)   +7 more
core   +1 more source