Taking a cue from the posts beneath the first video, I did a search and found the following.

QUOTE
The LML Aircraft is an ideal platform to carry the landmine sensors because of its unusual flight capabilities.
The LML can fly forward, backwards, and sideways at extremely low altitudes and at continuously slow speeds as well as hover, fly vertically up and down, and rotate 360 degrees while flying in any direction.
In addition, the LML is a stable platform because the aircraft does not bank while turning, climbing or descending. Also, the LML has virtually minimal vibration.
Source
They do look similar, and as someone stated, the raised areas on the "craft" in the video may be engine modifications.
And BTW, the landmine locator is essentially a balloon with directional motors, and the object (to me at least) seems to behave like one. When it zooms off at the end, again as someone suggested it appears as though the video has been tampered with.
I'm not calling this solved, just giving my opinion.