public function getResizedProductImage($block, $product, $image, $width, $height)
    {
        $imageHelper = $block->helper('catalog/image');
        $imageFile = $image->getPath();
        $imageHelper->init($product, 'small_image', $imageFile);
        $imageHelper = $imageHelper->resize($width, $height);
        return $imageHelper;
    }

$imageHelper->init($product,'small_mage');