Optical Illusion: Only a fast observer can spot the hidden elf in this picture
Brain teasers stimulate cognitive abilities such as reasoning and problem-solving. A challenging puzzle circulating online ...
Optical illusion: You have hit the jackpot if you can spot the hidden cane in 11 seconds
An optical illusion featuring a hidden cane is going viral, challenging viewers to spot it within 11 seconds. The cane is ...
Scientific Research Publishing1d
An Improved Iterative Closest Points Algorithm ()
1 School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing, China. 2 School of Mechanical Engineering, University of Science and Technology, Beijing, China. Visual method ...