def __getitem__()

in src/data_loader.py [0:0]


    def __getitem__(self, item):

        sample_name = self.ids[item].rstrip()
        impath = os.path.join(self.root, 'images', sample_name)

        maskname = sample_name.split('.jpg')[0] + '.png'
        maskpath = os.path.join(self.root, 'annotations', maskname)

        img = Image.open(impath).convert('RGB')
        if self.transform is not None:
            img = self.transform(img)

        mask = Image.open(maskpath)

        idxs = np.unique(mask)
        # the 0 idx refers to "other objects"
        idxs = np.delete(idxs, np.where(idxs == 0))

        if not self.include_eos:
            idxs = [i-1 for i in idxs]

        if self.shuffle:
            np.random.shuffle(idxs)

        target_list = []
        for t in idxs:
            category_id = t
            if category_id not in target_list:
                target_list.append(category_id)

        # eos
        if self.include_eos:
            target_list.append(0)

        return img, target_list