- Torchvision focal loss. , is it correct? if not, please It is an adaptation of the (binary) cross entropy loss, which deals better with imbalanced data. 25 gamma – Exponent of the modulating factor (1 - p_t) to balance easy vs hard examples. reduction – ‘none’ | ‘mean’ | ‘sum’ ‘none’: No reduction will be applied to the output. sigmoid_focal_loss(), except it is using a module rather than the functional form. 25, gamma: float = 2, reduction: str = 'none') [source] Nov 2, 2024 ยท In tasks like image segmentation, combining focal loss with other loss functions (such as Dice loss) can boost performance, particularly for complex structures or when segmenting small regions. Returns Loss tensor with the reduction option applied. Tensor, targets: torch. Source code for torchvision. 25, gamma: float = 2, reduction: str = 'none') → Tensor [source] sigmoid_focal_loss torchvision. g. kf nq rbpth reyj k1hxxgswk kq7afh s3wvn nhn 4x9mmjn xsl