Thomas, A.O.[Achint Oommen],
Rusu, A.[Amalia],
Govindaraju, V.[Venu],
Synthetic handwritten CAPTCHAs,
PR(42), No. 12, December 2009, pp. 3365-3373.
Elsevier DOI
0909
HIP; CAPTCHA; Handwriting generation
BibRef
Rusu, A.[Amalia],
Thomas, A.O.[Achint Oommen],
Govindaraju, V.[Venu],
Generation and use of handwritten CAPTCHAs,
IJDAR(13), No. 1, March 2010, pp. xx-yy.
Springer DOI
1003
BibRef
Ramaiah, C.[Chetan],
Plamondon, R.[Rejean],
Govindaraju, V.[Venu],
A sigma-lognormal model for character level CAPTCHA generation,
ICDAR15(966-970)
IEEE DOI
1511
BibRef
Earlier:
A Sigma-Lognormal Model for Handwritten Text CAPTCHA Generation,
ICPR14(250-255)
IEEE DOI
1412
Accuracy
BibRef
Starostenko, O.[Oleg],
Cruz-Perez, C.[Claudia],
Uceda-Ponga, F.[Fernando],
Alarcon-Aquino, V.[Vicente],
Breaking text-based CAPTCHAs with variable word and character
orientation,
PR(48), No. 4, 2015, pp. 1101-1112.
Elsevier DOI
1502
Breaking CAPTCHA
BibRef
Cruz-Perez, C.[Claudia],
Starostenko, O.[Oleg],
Uceda-Ponga, F.[Fernando],
Alarcon-Aquino, V.[Vicente],
Reyes-Cabrera, L.[Leobardo],
Breaking reCAPTCHAs with Unpredictable Collapse: Heuristic Character
Segmentation and Recognition,
MCPR12(155-165).
Springer DOI
1208
CAPTCHA.
BibRef
Khan, M.[Majid],
Shah, T.[Tariq],
Batool, S.I.[Syeda Iram],
A new implementation of chaotic S-boxes in CAPTCHA,
SIViP(10), No. 1, February 2016, pp. 293-300.
WWW Link.
1601
BibRef
Hajjdiab, H.[Hassan],
Random Image Matching CAPTCHA System,
ELCVIA(16), No. 3, 2017, pp. 1-13.
DOI Link
1801
BibRef
Kwon, H.[Hyun],
Kim, Y.[Yongchul],
Yoon, H.[Hyunsoo],
Choi, D.[Daeseon],
CAPTCHA Image Generation Systems Using Generative Adversarial Networks,
IEICE(E101-D), No. 2, February 2018, pp. 543-546.
WWW Link.
1802
BibRef
Chen, Z.[Zhe],
Ma, W.F.[Wei-Feng],
Xu, N.F.[Nan-Fan],
Ji, C.T.[Cao-Ting],
Zhang, Y.L.[Yu-Lai],
SiameseCCR: a novel method for one-shot and few-shot Chinese CAPTCHA
recognition using deep Siamese network,
IET-IPR(14), No. 12, October 2020, pp. 2855-2859.
DOI Link
2010
BibRef
Zhang, J.M.[Jia-Ming],
Sang, J.[Jitao],
Xu, K.Y.[Kai-Yuan],
Wu, S.X.[Shang-Xi],
Zhao, X.[Xian],
Sun, Y.F.[Yan-Feng],
Hu, Y.L.[Yong-Li],
Yu, J.[Jian],
Robust CAPTCHAs Towards Malicious OCR,
MultMed(23), 2021, pp. 2575-2587.
IEEE DOI
2109
CAPTCHAs, Optical character recognition software, Robustness,
Distortion, Character recognition, Machine learning, OCR
BibRef
Hitaj, D.[Dorjan],
Hitaj, B.[Briland],
Jajodia, S.[Sushil],
Mancini, L.V.[Luigi V.],
Capture the Bot: Using Adversarial Examples to Improve CAPTCHA
Robustness to Bot Attacks,
IEEE_Int_Sys(36), No. 5, September 2021, pp. 104-112.
IEEE DOI
2110
CAPTCHAs, Perturbation methods, Task analysis, Machine learning,
Security, Neural networks, Encoding, Security and Privacy, CAPTCHA,
Adversarial Examples
BibRef
Acien, A.[Alejandro],
Morales, A.[Aythami],
Fierrez, J.[Julian],
Vera-Rodriguez, R.[Ruben],
BeCAPTCHA-Mouse: Synthetic mouse trajectories and improved bot
detection,
PR(127), 2022, pp. 108643.
Elsevier DOI
2205
CAPTCHA, Bot detection, Behavior, Biometrics, Mouse, Neuromotor
BibRef
Shi, C.H.[Cheng-Hui],
Xu, X.G.[Xiao-Gang],
Ji, S.L.[Shou-Ling],
Bu, K.[Kai],
Chen, J.H.[Jian-Hai],
Beyah, R.[Raheem],
Wang, T.[Ting],
Adversarial CAPTCHAs,
Cyber(52), No. 7, July 2022, pp. 6095-6108.
IEEE DOI
2207
CAPTCHAs, Security, Usability, Image synthesis, Computers, Resilience,
Adversarial image, usable security
BibRef
Jalwana, M.A.A.K.[M.A. Asim K.],
Khan, M.M.[Muhammad Murtaza],
Ilyas, M.U.[Muhammad U.],
Automatic Identification of CAPTCHA Schemes,
ISVC14(II: 416-426).
Springer DOI
1501
BibRef
Thomas, A.O.[Achint O.],
Choudhury, S.[Sulabh],
Govindaraju, V.[Venu],
Leveraging the Mixed-Text Segmentation Problem to Design Secure
Handwritten CAPTCHAs,
FHR10(13-18).
IEEE DOI
1011
BibRef
Zhang, T.[Tao],
Li, W.X.[Wen-Xiang],
Zhang, Y.[Yan],
Ping, X.J.[Xi-Jian],
Detection of LSB matching steganography based on the Laplacian model of
pixel difference distributions,
ICIP10(221-224).
IEEE DOI
1009
BibRef
Earlier:
Detection of LSB matching steganography based on distribution of pixel
differences in natural images,
IASP10(548-552).
IEEE DOI
1004
BibRef
Baird, H.S.,
Moll, M.A.,
Wang, S.Y.[Sui-Yu],
ScatterType: a legible but hard-to-segment CAPTCHA,
ICDAR05(II: 935-939).
IEEE DOI
0508
CAPTCHA.
BibRef
Wang, S.Y.[Sui-Yu],
Bentley, J.L.[Jon L.],
CAPTCHA Challenge Tradeoffs: Familiarity of Strings versus Degradation
of Images,
ICPR06(III: 164-167).
IEEE DOI
0609
CAPTCHA.
BibRef
Moy, G.,
Jones, N.,
Harkless, C.,
Potter, R.,
Distortion estimation techniques in solving visual CAPTCHAs,
CVPR04(II: 23-28).
IEEE DOI
0408
Completely Automated Public Turing Test to Tell Computers and Humans
Apart. (embed words in noise to make sure a person is there.)
BibRef
Mori, G.,
Malik, J.,
Recognizing Objects in Adversarial Clutter: Breaking a Visual CAPTCHA,
CVPR03(I: 134-141).
IEEE DOI
0307
BibRef
Chapter on OCR, Document Analysis and Character Recognition Systems continues in
Font Recognition, Multiple Fonts, Script Type, etc. .