There are two journal that come up to my mind at the moment:

Elsevier Medical Image Analysis

IEEE Transactions on Forensics and Information Security

Try this one http://iaesjournal.com/online/

um... it sounds good! Thank you so much!

For computer vision related things check out image and vision computing by ELSEVIR

Check this jrte.org it has page limitation but not expensive duty for over pages

http://www.journals.elsevier.com/signal-processing/

1.851 Impact Factor

I recommend the Journal of Mathematical Imaging and Vision (Springer). Good journal, no page limits.

also:

Computer Vision and Image Understanding

http://www.journals.elsevier.com/computer-vision-and-image-understanding/

They recently sent out the following announcement, and looks to be some very good CV folk on the editorial.

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Announcement from Nikos Paragios

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http://www.journals.elsevier.com/computer-vision-and-image-understanding/

Dear Colleague:

Professor Avi Kak after many years of service as EiC has stepped down from the journal. On behalf of the journal, I would like to thank him for the tremendous quality of his work. I have assumed the position of EiC through the help of Pr. Aleix Martinez (who served an an interim EiC since September 2013) who I would like to thank as well.

The editorial office of the journal towards enforcing traditional / historic Computer Vision and Image Understanding Journal's (CVIU) position as one of the main avenues to express the inspirations and the expectations of the computer vision and image understanding community both in terms of novel theoretical methods as well as in terms of applications has decided the following actions.

* - Introduction of three-year appointment for the AEs,

* - Simplification of the decision process towards bringing the journal closer to conference cycles

* - Decisions within six months interval from the date of submission

* - Fast track publication for tutorials, surveys and theory papers

* - Fast track approval and publication for special issues and collection of papers within 12 months from the date of submission,

* - Introduction of new area editors towards enforcing the existing board and opening the journal to the current trends of the field:

* - Pr. Michael Bronstein, Università della Svizzera Italiana, CH

* - Pr. Barbara Caputo, University of Rome La Sapienza, IT

* - Pr. Alex Frangi, University of Sheffield, UK

* - Pr. Vitorio Ferrari, University of Edinburgh, UK

* - Pr. Yasutaka Furukawa, Washington University in St. Louis, USA

* - Pr. Stephen Gould, Australian National University, AU

* - Pr. Xiaofei He, Zhejiang University, China, CN

* - Pr. David Jacobs, University of Maryland, USA

* - Pr. C.V. Jawahar, IIIT Hyderabad, IN

* - Pr. Frederic Jurie, University of Caen, FR

* - Dr. Pushmeet Kohli, Microsoft Research, UK

* - Pr. Nikos Komodakis, Ecole des Ponts-ParisTech, FR

* - Pr. Anurag Mittal, IIT Mandras, IN

* - Pr. Kyoung Mu Lee, Seoul National University, KR

* - Pr. Vincent Lepetit, École Polytechnique Fédérale de Lausanne, CH

* - Pr. Tomas Pajdla, Czech Technical University in Prague, CZ

* - Pr. Ian Reid, University of Adelaide, AU

* - Pr. Arun Ross, Michigan State University, USA

* - Pr. Dimitris Samaras, Stonybrook University, USA

* - Pr. Yoichi Sato, University of Tokyo, JP

* - Pr. Yaser Sheikh, Carnegie Mellon University, USA

* - Pr. Olga Veksler, Western University, CA

* - Pr. Shuicheng Yan, National University of Singapore, SG

* - Pr. Luminita Vese, University of California - Los Angeles, USA

I would like to thank Professors Jake Aggarwal, Kevin Bowyer, Rama Chellapa, Larry Davis, Jonathan Hull and Ruud Bolle who have stepped down from the editorial board for their services.

We hope that you will embrace this effort.

Nikos Paragios, EiC, Computer Vision and Image Understanding Journal

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End

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@Salim, are you sure, i can't find a hard limit in the guidelines?

Digital Signal Processing (Elsevier) is a good Journal in your field

http://www.sciencedirect.com/science/article/pii/S1051200412001704

http://www.journals.elsevier.com/digital-signal-processing

Thanks

The journal "Signal Processing" published by European Association for Signal Processing and published by Elsevier. Journal is well known.

Check out the IEEE related journals

Many IEEE journals have no hard page limit, but do have a page fee over a certain number of pages. For example the IEEE Transactions on Audio, Speech and Language processing have a fee for pages over 10.

IEEE Transactions on Signal Processing is a good journal. the impact factor is reasonably good as well (2.81). The famous paper of Cadzow was also published in "IEEE Transactions on Acoustics, Speech and Signal Processing ", which is the same series.

My journal, Computers in Biology and Medicine (Elsevier). Only page limit if I say so. No fees. Turnaround 4 weeks.

Please check "Hindawi Publishing Corporation" having ISRN signal Processing journal, which has no page limit. ISRN signal processing journal has good indexing also. To see more details link is here: http://www.hindawi.com/isrn/signal.processing/

About journals dealing with the signal processing is unconstrained pages limitations !!!

I recommend you see on the site of ThomsonReuters, the ISI indexed journals thnomson

And then submit your work

The chief editor is the responsible of the journal, can ask you to be brief or to give an extended paper.

Most Elsevier journals have no page limitation. For example, the journal called "signal Processing" itself.

@A.G. Ramakrishnan, Elsevier signal Processing seems to have page limit:

https://www.elsevier.com/wps/find/journaldescription.cws_home/505662?generatepdf=true?generatepdf=true

"Original research articles: Research articles should not exceed 30 pages (single column, double spaced) in length ...

Review articles: Review articles are typically 30-60 pages (single column, double spaced) in length...

Fast Communications: A Fast Communication... should not exceed 10 pages (single column, double spaced) in length..."

Thanks Paul Sturgess to have pointed out my mistake!  However, in today's world, 30 pages for a regular article and 60 pages for a review article is quite high, sufficient in most cases...