Concepedia

Sobel Operator

Sobel Operator is a discrete differentiation operator in image processing that computes an approximation of the gradient of image intensity by convolving the image with small, separable, integer-valued filters in horizontal and vertical directions to emphasize edges.

495

Publications

20.8K

Citations

1.3K

Authors

562

Institutions

Publications per year

2017–2026

171

Variants

Sobel Filter

Parents

Publications

495

Design of an image edge detection filter using the Sobel operator

N. Kanopoulos, N. Vasanthavada, R. L. Baker · IEEE Journal of Solid-State Circuits · 1988 · 1.2K citations

, , +13

A Descriptive Algorithm for Sobel Image Edge Detection

Olufunke Rebecca Vincent, Olusegun Folorunso · Informing Science and IT Education Conference · 2009 · 523 citations · Full text

, , +15

An improved Sobel edge detection

Wenshuo Gao, Xiaoguang Zhang, Lei Yang et al. · 2010 · 439 citations

, , +14

An efficient method of license plate location

Pattern Recognition Letters · 2005 · 370 citations

, , +15

Best constants for Sobolev inequalities for higher order fractional derivatives

Athanase Cotsiolis, Nikolaos K. Tavoularis · Journal of Mathematical Analysis and Applications · 2004 · 365 citations

, , +9

1–5 of 495

Authors

1.3K

  1. PS
    Palaiahnakote Shivakumara

    University of Malaya, Malaysia

    5 publications · 245 citations

    5

    h-index

  2. AC
    Athanase Cotsiolis

    University of Patras, Greece

    4 publications · 463 citations

    4

    h-index

  3. BH
    Bin Han

    University of Alberta, Canada

    4 publications · 318 citations

    4

    h-index

  4. AS
    Anil Saini

    Central Electronics Engineering Research Institute, India

    3 publications · 58 citations

    3

    h-index

  5. BV
    Boris Vakulov

    Southern Federal University, Russia

    3 publications · 151 citations

    3

    h-index

1–5 of 1.3K

Institutions

562

  1. Chinese Academy of Sciences

    Beijing, China

    8 h-index

    23 publications

    812 citations

  2. National University of Singapore

    Singapore, Singapore

    7 h-index

    16 publications

    1K citations

  3. University of Alberta

    Edmonton, Canada

    7 h-index

    10 publications

    580 citations

  4. Xidian University

    Xi'an, China

    6 h-index

    13 publications

    210 citations

  5. Shanghai Jiao Tong University

    Shanghai, China

    6 h-index

    22 publications

    853 citations

  6. University of Chinese Academy of Sciences

    Beijing, China

    5 h-index

    12 publications

    306 citations

  7. University of Jyväskylä

    Jyväskylä, Finland

    5 h-index

    7 publications

    477 citations

  8. Tsinghua University

    Beijing, China

    5 h-index

    11 publications

    1.2K citations

1–8 of 562

Venues

  1. 14

    h-index

  2. Journal of Functional Analysis

    10 publications · 919 citations

    10

    h-index

  3. IEEE Access

    8 publications · 309 citations

    9

    h-index

  4. 7

    h-index

  5. Nonlinear Analysis

    6 publications · 180 citations

    6

    h-index

1–5