Get the image,title and link of the parent term of product_cat taxonomy in woocommerce for creating the slide in home page with parent category.

index.php

  <?php
                     $pterms = get_terms( array( 
                    'taxonomy' => 'product_cat',
                    'parent'   => 0
                    ) );
                        // echo '<pre>';
                        // var_dump($terms);
                        foreach ($pterms as $myterm) {
                            $term_link = get_term_link( $myterm );
                            $thumbnail_id = get_woocommerce_term_meta($myterm->term_id, 'thumbnail_id', true);
                            $url =  wp_get_attachment_url($thumbnail_id);//print the image
                           $link = esc_url( $term_link );//print the link
                           $name = $myterm->name;//print the name of the parent term
                            // var_dump($url); 
                          ?>
                           //your html code here
<?php } ?>//end for each

To get all the categories and and subcategories you can use the below code....
<?php
$taxonomy = 'product_cat';
$orderby = 'field';
$show_count = 0; // 1 for yes, 0 for no
$pad_counts = 0; // 1 for yes, 0 for no
$hierarchical = 1; // 1 for yes, 0 for no
$title = '';
$empty = 0;

			$args = array(
			'taxonomy' => $taxonomy,
			'orderby' => $orderby,
			'show_count' => $show_count,
			'pad_counts' => $pad_counts,
			'hierarchical' => $hierarchical,
			'title_li' => $title,
			'hide_empty' => $empty
			);

$all_categories = get_categories( $args );
echo "

";
foreach ($all_categories as $cat){
$term_link = get_term_link( $cat );
$link = esc_url( $term_link );
?>

<li>
	<a href="<?php echo $link;?>" title="<?php echo esc_attr($cat->name ? $cat->name : $cat->term_id); ?>"><?php echo $cat->cat_name; ?>
	</a>
</li>