Algorithm 4
From: Hard label adversarial attack with high query efficiency against NLP models

CDGF(\(x^{\prime (1)}\), \(x^{\prime (2)}\), x, f, \(x_{best}\), pos), Crossover with Dual-Gradient Fusion.
From: Hard label adversarial attack with high query efficiency against NLP models
CDGF(\(x^{\prime (1)}\), \(x^{\prime (2)}\), x, f, \(x_{best}\), pos), Crossover with Dual-Gradient Fusion.