constructor(options) {
        super(options);

        this.subtasks_mapping = {
            // Mapping of subtasks to their corresponding post-processing function names.
            panoptic: 'post_process_panoptic_segmentation',
            instance: 'post_process_instance_segmentation',
            semantic: 'post_process_semantic_segmentation'
        }
    }
Create a new ImageSegmentationPipeline.
@param {ImagePipelineConstructorArgs} options An object used to instantiate the pipeline.