yolov4 v2.0.0

CHANGELOG

• tf:dataset: add data format check
• 🌟common: base_class: change input_size from integer to (width, height)🌟
• common: base_class: set default arguments for candidates_to_pred_bboxes
• tf: dataset: modify variable initialization according to input_size type change
• common: predict: reflect input_size type change
• common: media: reflect input_size type change to resize_image
• tf:dataset: reflect input_size type change to data augmentation
• common: base_class: reflect predict.fit_pred_bboxes_to_original change
• common: predict: fix problem that occurred because image size change was not considered
• tf: reflect input_size type change
• model: head: reflect input_size type change
• tf: train: reflect input_size type change
• common: base_class: change strides to immutable constant
• common: base_class: add cap.release() to release resources
• tflite: reflect input_size type change
• 🌟tf: optimize predict() using @tf.function🌟
• 🌟common: predict: fix problem caused by incorrect iou calculation🌟