def name():
    return ''.join([chr(e[0]) for e in f[f['anno'][0][0]].value])

if __name__ == '__main__':
    path = 'anno.mat'
    import h5py

    with h5py.File(path, 'r') as f:
        for i in range(f['anno'].shape[1]):
            name_ref = f['anno'][0][i]
            name_container = f[name_ref]
            name = ''.join([chr(e[0]) for e in name_container.value])

            bbox = ((f[f[f['anno'][1][i]].value[0][0]].value.ravel()) + 0.5).astype(int).tolist()

            angles = f[f[f['anno'][2][i]].value[0][0]].value.ravel().tolist()

            print(name)
            print(bbox)
            print(angles)
            break