Sentence examples for tamper data and from inspiring English sources

Figure 3(b) shows the tamper data and locations, and this tamper data alter 4211 pixels with (where is the ratio between the number of tampered blocks and the total number of blocks [7]).

(a) Original "UNCG" image of size 256 × 256 pixels, (b) tamper data and their locations, (c) proposed watermark and tampered data PSNR = 37.74 dB, (d) Zhang-Wang watermark and tampered data PSNR = 37.87, (e) tampered pixels detected by AgTDM, and (f) tampered pixels detected by ZW approach.

(a) Original "Biltmore Estate" image of size 2 256 × 256 pixels, (b) tamper data and their locations, (c) proposed watermark and tampered data-PSNR = 38.30 dB, (d) Zhang-Wang watermark and tampered data-PSNR = 37.97, (e) tampered pixels detected by AgTDM, and (f) tampered pixels detected by ZW approach.

A blockchain is a distributed database in which information including bitcoins are listed sequentially in "blocks". This helps prevent the tampering of data and promises increased trust and less business friction by offering transparent access to the chain.

Then we used StirMark and did different attacks to the watermarked images including Blurring, Sharpening, Scaling, adding Gaussian noise, Tampering, data block removal and Cropping.

Therefore, if any nodes modify the transmitted data during transmissions, the receiver detects the unmatched HMAC instantly and recognizes the tampered data.

Experts say it would be extremely difficult to tamper with the data, and the memory cards used in the recorders have serial numbers matched to those on the recorders so they cannot be secretly substituted.

If a dishonest cloud server tampers with any data item in the database, the misbehavior will be detected with an overwhelming probability (once the tampered data item is queried).

These, along with 5 papers from a collocated workshop of E-Forensics Law, cover a wide range of topics including digital evidence handling, data carving, records tracing, device forensics, data tamper identification, and mobile device locating.

The proposed scheme integrates VQ coding and QR codes to achieve image tamper detection and data recovery.

Image authentication, which is provided with capabilities of tamper detection and data recovery, is an efficient way to protect the contents of digital images.