Copy SpineNet-143 from Cloud TPU into TF-Vision.

PiperOrigin-RevId: 397369633

Copy SpineNet-143 from Cloud TPU into TF-Vision.
PiperOrigin-RevId: 397369633
88970837 · A. Unique TensorFlower · 3183fd02 · 88970837
Commit 88970837 authored Sep 17, 2021 by A. Unique TensorFlower
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official/vision/beta/modeling/backbones/spinenet.py official/vision/beta/modeling/backbones/spinenet.py +7 -0

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--- a/official/vision/beta/modeling/backbones/spinenet.py
+++ b/official/vision/beta/modeling/backbones/spinenet.py
@@ -87,6 +87,13 @@ SCALING_MAP = {
        'resample_alpha': 1.0,
        'block_repeats': 3,
    },
+    # SpineNet-143 with 1.3x filter_size_scale.
+    '143L': {
+        'endpoints_num_filters': 256,
+        'filter_size_scale': 1.3,
+        'resample_alpha': 1.0,
+        'block_repeats': 3,
+    },
    '190': {
        'endpoints_num_filters': 512,
        'filter_size_scale': 1.3,