Merge pull request #8253 from adl1995:master
* Update linux_install.markdown
Grammar improvements, fixed typos.
* Update tutorials.markdown
Improvements in grammar.
* Update table_of_content_calib3d.markdown
* Update camera_calibration_square_chess.markdown
Improvements in grammar. Added answer.
* Update tutorials.markdown
* Update erosion_dilatation.markdown
* Update table_of_content_imgproc.markdown
* Update warp_affine.markdown
* Update camera_calibration_square_chess.markdown
Removed extra space.
* Update gpu_basics_similarity.markdown
Grammatical improvements, fixed typos.
* Update trackbar.markdown
Improvement for better understanding.
Adeel Ahmad
bc7f6fc44c