Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Improving embedding efficiency for digital steganography by exploiting
  similarities between secret and cover images   Digital steganography is becoming a common tool for protecting sensitive
communications in various applications such as crime(terrorism) prevention
whereby law enforcing personals need to remotely compare facial images captured
at the scene of crime with faces databases of known criminals(suspects);
exchanging military maps or surveillance video in hostile
environment(situations); privacy preserving in the healthcare systems when
storing or exchanging patient medical images(records); and prevent bank
customers accounts(records) from being accessed illegally by unauthorized
users. Existing digital steganography schemes for embedding secret images in
cover image files tend not to exploit various redundancies in the secret image
bit-stream to deal with the various conflicting requirements on embedding
capacity, stego-image quality, and un-detectibility. This paper is concerned
with the development of innovative image procedures and data hiding schemes
that exploit, as well as increase, similarities between secret image bit-stream
and the cover image LSB plane. This will be achieved in two novel steps
involving manipulating both the secret and the cover images,prior to embedding,
to achieve higher 0:1 ratio in both the secret image bit-stream and the cover
image LSB plane. The above two steps strategy has been exploited to use a
bit-plane(s) mapping technique, instead of bit-plane(s) replacement to make
each cover pixel usable for secret embedding. This paper will demonstrate that
this strategy produces stego-images that have minimal distortion, high
embedding efficiency, reasonably good stego-image quality and robustness
against 3 well-known targeted steganalysis tools.

22
The categories of this paper are: chao-dyn
5
The categories of this paper are: gr-qc
3
The categories of this paper are: physics
34
The categories of this paper are: chem-ph
7
The categories of this paper are: hep-th
21
The categories of this paper are: adap-org
9
The categories of this paper are: nlin
30
The categories of this paper are: q-alg
12
The categories of this paper are: nucl-th
10
The categories of this paper are: q-bio
35
The categories of this paper are: mtrl-th
32
The categories of this paper are: atom-ph
18
The categories of this paper are: econ
31
The categories of this paper are: ao-sci
37
The categories of this paper are: supr-con
27
The categories of this paper are: comp-gas