| |
| |
| ``im2rec`` |
| ==================== |
| |
| Description |
| ---------------------- |
| |
| Convert images into image recordio format |
| |
| Usage |
| ---------- |
| |
| .. code:: r |
| |
| im2rec( |
| |
| image_lst, |
| |
| root, |
| |
| output_rec, |
| |
| label_width = 1L, |
| |
| pack_label = 0L, |
| |
| new_size = -1L, |
| |
| nsplit = 1L, |
| |
| partid = 0L, |
| |
| center_crop = 0L, |
| |
| quality = 95L, |
| |
| color_mode = 1L, |
| |
| unchanged = 0L, |
| |
| inter_method = 1L, |
| |
| encoding = ".jpg" |
| |
| ) |
| |
| Arguments |
| ------------------ |
| |
| +----------------------------------------+------------------------------------------------------------+ |
| | Argument | Description | |
| +========================================+============================================================+ |
| | ``image_lst`` | The image lst file | |
| +----------------------------------------+------------------------------------------------------------+ |
| | ``root`` | The root folder for image files | |
| +----------------------------------------+------------------------------------------------------------+ |
| | ``output_rec`` | The output rec file | |
| +----------------------------------------+------------------------------------------------------------+ |
| | ``label_width`` | The label width in the list file. Default is 1. | |
| +----------------------------------------+------------------------------------------------------------+ |
| | ``pack_label`` | Whether to also pack multi dimenional label in the record | |
| | | file. Default is | |
| | | 0. | |
| +----------------------------------------+------------------------------------------------------------+ |
| | ``new_size`` | The shorter edge of image will be resized to the newsize. | |
| | | | |
| | | Original images will be packed by default. | |
| +----------------------------------------+------------------------------------------------------------+ |
| | ``nsplit`` | It is used for part generation, logically split the | |
| | | image.lst to NSPLIT parts by | |
| | | position. | |
| | | | |
| | | Default is 1. | |
| +----------------------------------------+------------------------------------------------------------+ |
| | ``partid`` | It is used for part generation, pack the images from the | |
| | | specific part in | |
| | | image.lst. | |
| | | | |
| | | Default is 0. | |
| +----------------------------------------+------------------------------------------------------------+ |
| | ``center_crop`` | Whether to crop the center image to make it square. | |
| | | Default is | |
| | | 0. | |
| +----------------------------------------+------------------------------------------------------------+ |
| | ``quality`` | JPEG quality for encoding (1-100, default: 95) or PNG | |
| | | compression for encoding (1-9, default: | |
| | | 3). | |
| +----------------------------------------+------------------------------------------------------------+ |
| | ``color_mode`` | Force color (1), gray image (0) or keep source unchanged | |
| | | (-1). Default is | |
| | | 1. | |
| +----------------------------------------+------------------------------------------------------------+ |
| | ``unchanged`` | Keep the original image encoding, size and color. If set | |
| | | to 1, it will ignore the others | |
| | | parameters. | |
| +----------------------------------------+------------------------------------------------------------+ |
| | ``inter_method`` | NN(0), BILINEAR(1), CUBIC(2), AREA(3), LANCZOS4(4), | |
| | | AUTO(9), RAND(10). Default is | |
| | | 1. | |
| +----------------------------------------+------------------------------------------------------------+ |
| | ``encoding`` | The encoding type for images. It can be '.jpg' or '.png'. | |
| | | Default is | |
| | | '.jpg'. | |
| +----------------------------------------+------------------------------------------------------------+ |
| |
| |
| |
