نتایج جستجو برای: bit planes

تعداد نتایج: 76662  

ژورنال: مجله دندانپزشکی 2007
افضلی‌فر, رز , افضلی‌فر, بهروز , درریز, حسن ,

Background and Aim: As central incisors have a prominent role in esthetics, appropriate preparation, considering natural tooth anatomy and proper planes have always been considered. The aim of this study was to determine the number of planes in labial surface of maxillary central incisors using image processing and mathematical analysis.Materials and Methods: This pilot study was performed on 3...

2017
Jyoti Bharti Sanyam Shukla

This paper introduces a novel method based on auxiliary matrix to hide a text data in an RGB plane. To hide the data in RGB planes of image via scanning, encryption and decryption. To enhance the security, the scanning technique combines two different traversals – spiral and snake traversal. The encryption algorithm involves auxiliary matrix as a payload and consider the least significant bits ...

Journal: :IEEE Transactions on Multimedia 2021

Reversible data hiding in encrypted images (RDHEI) can be used as an effective technique to embed additional directly the domain and therefore, without any invasion privacy. In this way, RDHEI is especially useful for labeling cloud storage. paper, we propose a new method of images, which fully reversible has very high payload. All bit-planes image are processed recursively, from most significa...

Journal: :IEEE Transactions on Circuits and Systems I-regular Papers 2021

A 3D architecture made up of a CMOS layer combined with stack bipolar memristor crossbar arrays provides an innovative approach to hardware support for utilizing the strength memristors. Memristors have been evaluated implementing broad spectrum applications such as memory, computations, hardware-based security primitives, cryptography, etc., and numerous studies shown that memristors are desir...

2002
Guoping Qiu S. Sudirman

We have developed an elegant and effective method for contentbased color image indexing and retrieval. A color image is first represented as a sequence of binary images each captures the presence or absence of a predefined visual feature, such as color. Binary vision algorithms are then used to analyze the geometric properties of the bit planes. The size, shape, or geometry moment of each conne...

2010
Salwa A.K Mostafa Naser El-Sheimy A. S. Tolba Hisham M. Elhindy F. M. Abdelkader

Recently, remotely sensed satellite images are a crucial source of data for geographical information systems and are used in many applications.The process of detecting any illegitimate alteration on the content of these images becomes a new challenge for content owners and distributors. To overcome this challenge, digital watermarking techniques are developed to authenticate the remote sensing ...

2010
Jin Seo Park Min Suk Chung Hyo Seok Park Dong Sun Shin Dong-Hwan Har Zang-Hee Cho Young-Bo Kim Jae-Yong Han Je-Geun Chi

Sectional anatomy of human brain is useful to examine the diseased brain as well as normal brain. However, intracerebral reference points for the axial, sagittal, and coronal planes of brain have not been standardized in anatomical sections or radiological images. We made 2,343 serially-sectioned images of a cadaver head with 0.1 mm intervals, 0.1 mm pixel size, and 48 bit color and obtained ax...

Journal: :IEEE Access 2022

This paper presents a novel image hiding method with improved block matching way and high embedding capacity that allows the important (IM) to be several times larger than cover image. Multi-layered least-significant-bit (LSB) planes of (CI) are obtained for constructing candidate block-matching set (CBMS) by using features fusion which consists texture wavelet transform gray leve...

2012
Xiao Chen Xiaoqing Xu

The JPEG2000 image compression standard is ideal for processing remote sensing images. However, its algorithm is complex and it requires large amounts of memory, making it difficult to adapt to the limited transmission and storage resources necessary for remote sensing images. In the present study, an improved rate control algorithm for remote sensing images is proposed. The required coded bloc...

This study is designed to consider the two important yet often neglected factors, which are factory recommendation and bit features, in optimum bit selection. Image processing techniques have been used to consider the bit features. A mathematical equation, which is derived from a neural network model, is used for drill bit selection to obtain the bit’s maximum penetration rate that corresponds ...

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