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Synthetic Hard Negative Samples for Contrastive Learning We propose a synthetic negative sample sampling approach for contrastive learning at the semantic feature level Firstly, instead of generating negative samples by increasing the batch size or memory bank, we select the hardest existing negative samples in the feature space and synthesize new ones
b h 40 mm h u 1 u 2 f x 1 x 3 d 20 mm 166 119 47 03 mm 243 mm 25 mm 40 . . . (b) h=4 0 mm hu1u2f x1x3 d 2 0 mm16 6°11 9°4 7°0 3 mm24 3 mm25 mm 4 0 mm34 8°24 5°10 3°1 3 mm22 0 mm23 mm If the eye had no lens and was sufficiently long, the ray would cross the axis 25 mm behind the cornea if it enters at a height of 2 0 mm and at an almost identical 23 mm behind the cornea if it enters at a height of 4 0 mm ASSESS We see that the cornea is focusingthe light by
Chapter 4 - “Negative” and “positive” duties The view underlies the popular idea that duties to render aid to others are very limited Much of its persuasive power lies in the supposed contrast with our “negative” duties not to harm people Although we have at most imperfect duties to aid people, the argument goes, we have strict or perfect duties not to harm them
The Harmonic Upside Down - Negative Harmony - opusscience So, What is Negative Harmony? Negative Harmony is a theoretical concept that suggests every scale has a Negative mirror image (or Upside Down scale) from which chords and melodic notes can be substituted to equal harmonic melodic significance