Meta-Learning on COCO-20i (5-shot)

Metric: Mean IoU (higher is better)

LeaderboardDataset

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Results

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#	Model↕	Mean IoU▼	Augmentations	Paper	Date↕	Code
1	SegGPT (ViT)	67.9	No	SegGPT: Segmenting Everything In Context	2023-04-06	Code
2	GF-SAM (DINOv2)	66.8	No	Bridge the Points: Graph-based Few-shot Segment ...	2024-10-09	Code
3	PGMA-Net (ResNet-101)	61.8	No	Visual and Textual Prior Guided Mask Assemble fo...	2023-08-15	-
4	Matcher(DINOv2)	60.7	No	Matcher: Segment Anything with One Shot Using Al...	2023-05-22	Code
5	DiffewS(SD2.1)	60.7	No	Unleashing the Potential of the Diffusion Model ...	2024-10-03	Code
6	HMNet (ResNet-50)	58.9	No	Hybrid Mamba for Few-Shot Segmentation	2024-09-29	Code
7	FPTrans (DeiT-B/16)	58.9	No	Feature-Proxy Transformer for Few-Shot Segmentat...	2022-10-13	Code
8	DCAMA (Swin-B)	58.3	No	Dense Cross-Query-and-Support Attention Weighted...	2022-07-18	Code
9	DGPNet (ResNet-101)	57.9	No	Dense Gaussian Processes for Few-Shot Segmentation	2021-10-07	Code
10	AENet (ResNet-50)	57.1	No	Eliminating Feature Ambiguity for Few-Shot Segme...	2024-07-13	Code
11	PGMA-Net (ResNet-50)	57.1	No	Visual and Textual Prior Guided Mask Assemble fo...	2023-08-15	-
12	SCCAN (ResNet-101)	57	No	Self-Calibrated Cross Attention Network for Few-...	2023-08-18	Code
13	MSANet (ResNet-101)	56.3	No	MSANet: Multi-Similarity and Attention Guidance ...	2022-06-20	Code
14	DGPNet (ResNet-50)	56.2	No	Dense Gaussian Processes for Few-Shot Segmentation	2021-10-07	Code
15	HDMNet (ResNet-50)	56	No	Hierarchical Dense Correlation Distillation for ...	2023-03-26	Code
16	MSDNet (ResNet-101)	55.3	No	MSDNet: Multi-Scale Decoder for Few-Shot Semanti...	2024-09-17	Code
17	ProtoFormer (ResNet-101)	54.7	No	Prototype as Query for Few Shot Semantic Segment...	2022-11-27	Code
18	HMNet (VGG-16)	54.5	No	Hybrid Mamba for Few-Shot Segmentation	2024-09-29	Code
19	MSDNet (ResNet-50)	54.5	No	MSDNet: Multi-Scale Decoder for Few-Shot Semanti...	2024-09-17	Code
20	PFENet (SVF, ResNet-50)	54.38	No	Singular Value Fine-tuning: Few-shot Segmentatio...	2022-06-13	Code
21	SCCAN (ResNet-50)	53.9	No	Self-Calibrated Cross Attention Network for Few-...	2023-08-18	Code
22	BAM (SVF, ResNet-50)	53.87	No	Singular Value Fine-tuning: Few-shot Segmentatio...	2022-06-13	Code
23	FPTrans (ViT-B/16)	53.8	No	Feature-Proxy Transformer for Few-Shot Segmentat...	2022-10-13	Code
24	ProtoFormer (ResNet-50)	53.4	No	Prototype as Query for Few Shot Semantic Segment...	2022-11-27	Code
25	IPRNet (ResNet-101)	53.3	No	Interclass Prototype Relation for Few-Shot Segme...	2022-11-16	-
26	AENet (VGG-16)	52.8	No	Eliminating Feature Ambiguity for Few-Shot Segme...	2024-07-13	Code
27	HDMNet (VGG-16)	52.4	No	Hierarchical Dense Correlation Distillation for ...	2023-03-26	Code
28	DCAMA (ResNet-101)	51.9	No	Dense Cross-Query-and-Support Attention Weighted...	2022-07-18	Code
29	QCLNet (ResNet-101)	51.9	No	Quaternion-valued Correlation Learning for Few-S...	2023-05-12	Code
30	MIANet (ResNet-50)	51.65	No	MIANet: Aggregating Unbiased Instance and Genera...	2023-05-23	Code
31	BAM (ResNet-50)	51.16	No	Learning What Not to Segment: A New Perspective ...	2022-03-15	Code
32	IPRNet (ResNet-50)	51.1	No	Interclass Prototype Relation for Few-Shot Segme...	2022-11-16	-
33	MCE (ResNet-50)	51.04	No	Masked Cross-image Encoding for Few-shot Segment...	2023-08-22	-
34	MIANet (VGG-16)	51.03	No	MIANet: Aggregating Unbiased Instance and Genera...	2023-05-23	Code
35	ASNet (HM, ResNet-101)	50.6	No	HM: Hybrid Masking for Few-Shot Segmentation	2022-03-24	Code
36	HSNet (HM, ResNet-101)	50.6	No	HM: Hybrid Masking for Few-Shot Segmentation	2022-03-24	Code
37	MSANet (ResNet-50)	50.47	No	MSANet: Multi-Similarity and Attention Guidance ...	2022-06-20	Code
38	SSP (ResNet-101)	50.2	No	Self-Support Few-Shot Semantic Segmentation	2022-07-23	Code
39	QCLNet (ResNet-50)	50	No	Quaternion-valued Correlation Learning for Few-S...	2023-05-12	Code
40	HSNet (ResNet-101)	49.5	No	Hypercorrelation Squeeze for Few-Shot Segmentation	2021-04-04	Code
41	ASNet	49.5	No	Integrative Few-Shot Learning for Classification...	2022-03-29	Code
42	PFENet (SVF, VGG-16)	49.49	No	Singular Value Fine-tuning: Few-shot Segmentatio...	2022-06-13	Code
43	HSNet (HM, ResNet-50)	49.4	No	HM: Hybrid Masking for Few-Shot Segmentation	2022-03-24	Code
44	DACM (VAT, ResNet-50)	49.2	No	Doubly Deformable Aggregation of Covariance Matr...	2022-07-30	Code
45	BAM (SVF, VGG-16)	49.07	No	Singular Value Fine-tuning: Few-shot Segmentatio...	2022-06-13	Code
46	POP(ResNet-50)	48.75	No	-	-	Code
47	ASNet (HM, ResNet-50)	48.4	No	HM: Hybrid Masking for Few-Shot Segmentation	2022-03-24	Code
48	VAT (HM, ResNet-50)	48.3	No	HM: Hybrid Masking for Few-Shot Segmentation	2022-03-24	Code
49	DCAMA (ResNet-50)	48.3	No	Dense Cross-Query-and-Support Attention Weighted...	2022-07-18	Code
50	DACM (ResNet-50)	48.1	No	Doubly Deformable Aggregation of Covariance Matr...	2022-07-30	Code
51	SiGCN (ResNet-50)	48	No	Few-shot Semantic Segmentation with Support-indu...	2023-01-09	-
52	VAT (ResNet-101)	47.9	No	Cost Aggregation with 4D Convolutional Swin Tran...	2022-07-22	Code
53	VAT (ResNet-50)	47.9	No	Cost Aggregation Is All You Need for Few-Shot Se...	2021-12-22	Code
54	IPMT (ResNet-101)	47.9	No	Intermediate Prototype Mining Transformer for Fe...	2022-10-13	Code
55	FECANet (ResNet-50)	47.6	No	FECANet: Boosting Few-Shot Semantic Segmentation...	2023-01-19	Code
56	IPMT (ResNet-50)	47.5	No	Intermediate Prototype Mining Transformer for Fe...	2022-10-13	Code
57	HSNet (ResNet-50)	46.9	No	Hypercorrelation Squeeze for Few-Shot Segmentation	2021-04-04	Code
58	RePRI (CECE-M,ResNet-50)	46.9	No	Clustered-patch Element Connection for Few-shot ...	2023-04-20	Code
59	RePRI (CECE-T,ResNet-50)	46.7	No	Clustered-patch Element Connection for Few-shot ...	2023-04-20	Code
60	DCP (ResNet-50)	46.48	No	Beyond the Prototype: Divide-and-conquer Proxies...	2022-04-21	Code
61	APANet (ResNet-101)	46.4	No	APANet: Adaptive Prototypes Alignment Network fo...	2021-11-24	-
62	CyCTR (ResNet-50)	45.6	No	Few-Shot Segmentation via Cycle-Consistent Trans...	2021-06-04	Code
63	MLC (ResNet-101)	45.1	No	Mining Latent Classes for Few-shot Segmentation	2021-03-29	Code
64	IMR-HSNet (ResNet-50)	44.4	No	Iterative Few-shot Semantic Segmentation from Im...	2023-03-10	Code
65	SSP (ResNet-50)	44.1	No	Self-Support Few-Shot Semantic Segmentation	2022-07-23	Code
66	DIaM (ResNet-50)	43.46	No	A Strong Baseline for Generalized Few-Shot Seman...	2022-11-25	Code
67	APANet (VGG-16)	43.2	No	APANet: Adaptive Prototypes Alignment Network fo...	2021-11-24	-
68	APANet (ResNet-50)	43	No	APANet: Adaptive Prototypes Alignment Network fo...	2021-11-24	-
69	ASGNet (ResNet-50)	42.48	No	Adaptive Prototype Learning and Allocation for F...	2021-04-05	Code
70	CWT (ResNet-101)	42	No	Simpler is Better: Few-shot Semantic Segmentatio...	2021-08-06	Code
71	RePRI (ResNet-50)	41.6	No	Few-Shot Segmentation Without Meta-Learning: A G...	2020-12-11	Code
72	FECANet (VGG-16)	41.5	No	FECANet: Boosting Few-Shot Semantic Segmentation...	2023-01-19	Code
73	MLC (ResNet-50)	41.4	No	Mining Latent Classes for Few-shot Segmentation	2021-03-29	Code
74	CWT (ResNet-50)	41.3	No	Simpler is Better: Few-shot Semantic Segmentatio...	2021-08-06	Code
75	PFENet (SCL, ResNet-101)	39.9	No	Self-Guided and Cross-Guided Learning for Few-Sh...	2021-03-30	Code
76	PPNet (ResNet-50)	38.5	No	Part-aware Prototype Network for Few-shot Semant...	2020-07-13	Code
77	PFENet (VGG-16)	37.7	No	Prior Guided Feature Enrichment Network for Few-...	2020-08-04	Code
78	PFENet (ResNet-101)	37.4	No	Prior Guided Feature Enrichment Network for Few-...	2020-08-04	Code
79	CAPL (ResNet-50)	36.8	No	Generalized Few-shot Semantic Segmentation	2020-10-11	Code
80	ASR (ResNet-50)	35.75	No	Anti-aliasing Semantic Reconstruction for Few-Sh...	2021-06-01	Code
81	RPMM (ResNet-50)	35.5	No	Prototype Mixture Models for Few-shot Semantic S...	2020-08-10	Code
82	PANet (VGG-16)	29.7	No	PANet: Few-Shot Image Semantic Segmentation with...	2019-08-18	Code
83	FWB (ResNet-101)	23.65	No	Feature Weighting and Boosting for Few-Shot Segm...	2019-09-28	Code
84	FWB (VGG-16)	22.63	No	Feature Weighting and Boosting for Few-Shot Segm...	2019-09-28	Code

#1SegGPT (ViT)SOTA
67.9
Mean IoU· 2023-04-06
SegGPT: Segmenting Everything In Context Code
#2GF-SAM (DINOv2)
66.8
Mean IoU· 2024-10-09
Bridge the Points: Graph-based Few-shot Segment Anything Semantically Code
#3PGMA-Net (ResNet-101)
61.8
Mean IoU· 2023-08-15
Visual and Textual Prior Guided Mask Assemble for Few-Shot Segmentation and Beyond
#4Matcher(DINOv2)
60.7
Mean IoU· 2023-05-22
Matcher: Segment Anything with One Shot Using All-Purpose Feature Matching Code
#5DiffewS(SD2.1)
60.7
Mean IoU· 2024-10-03
Unleashing the Potential of the Diffusion Model in Few-shot Semantic Segmentation Code
#6HMNet (ResNet-50)
58.9
Mean IoU· 2024-09-29
Hybrid Mamba for Few-Shot Segmentation Code
#7FPTrans (DeiT-B/16)SOTA
58.9
Mean IoU· 2022-10-13
Feature-Proxy Transformer for Few-Shot Segmentation Code
#8DCAMA (Swin-B)SOTA
58.3
Mean IoU· 2022-07-18
Dense Cross-Query-and-Support Attention Weighted Mask Aggregation for Few-Shot Segmentation Code
#9DGPNet (ResNet-101)SOTA
57.9
Mean IoU· 2021-10-07
Dense Gaussian Processes for Few-Shot Segmentation Code
#10AENet (ResNet-50)
57.1
Mean IoU· 2024-07-13
Eliminating Feature Ambiguity for Few-Shot Segmentation Code
#11PGMA-Net (ResNet-50)
57.1
Mean IoU· 2023-08-15
Visual and Textual Prior Guided Mask Assemble for Few-Shot Segmentation and Beyond
#12SCCAN (ResNet-101)
57
Mean IoU· 2023-08-18
Self-Calibrated Cross Attention Network for Few-Shot Segmentation Code
#13MSANet (ResNet-101)
56.3
Mean IoU· 2022-06-20
MSANet: Multi-Similarity and Attention Guidance for Boosting Few-Shot Segmentation Code
#14DGPNet (ResNet-50)
56.2
Mean IoU· 2021-10-07
Dense Gaussian Processes for Few-Shot Segmentation Code
#15HDMNet (ResNet-50)
56
Mean IoU· 2023-03-26
Hierarchical Dense Correlation Distillation for Few-Shot Segmentation Code
#16MSDNet (ResNet-101)
55.3
Mean IoU· 2024-09-17
MSDNet: Multi-Scale Decoder for Few-Shot Semantic Segmentation via Transformer-Guided Prototyping Code
#17ProtoFormer (ResNet-101)
54.7
Mean IoU· 2022-11-27
Prototype as Query for Few Shot Semantic Segmentation Code
#18HMNet (VGG-16)
54.5
Mean IoU· 2024-09-29
Hybrid Mamba for Few-Shot Segmentation Code
#19MSDNet (ResNet-50)
54.5
Mean IoU· 2024-09-17
MSDNet: Multi-Scale Decoder for Few-Shot Semantic Segmentation via Transformer-Guided Prototyping Code
#20PFENet (SVF, ResNet-50)
54.38
Mean IoU· 2022-06-13
Singular Value Fine-tuning: Few-shot Segmentation requires Few-parameters Fine-tuning Code
#21SCCAN (ResNet-50)
53.9
Mean IoU· 2023-08-18
Self-Calibrated Cross Attention Network for Few-Shot Segmentation Code
#22BAM (SVF, ResNet-50)
53.87
Mean IoU· 2022-06-13
Singular Value Fine-tuning: Few-shot Segmentation requires Few-parameters Fine-tuning Code
#23FPTrans (ViT-B/16)
53.8
Mean IoU· 2022-10-13
Feature-Proxy Transformer for Few-Shot Segmentation Code
#24ProtoFormer (ResNet-50)
53.4
Mean IoU· 2022-11-27
Prototype as Query for Few Shot Semantic Segmentation Code
#25IPRNet (ResNet-101)
53.3
Mean IoU· 2022-11-16
Interclass Prototype Relation for Few-Shot Segmentation
#26AENet (VGG-16)
52.8
Mean IoU· 2024-07-13
Eliminating Feature Ambiguity for Few-Shot Segmentation Code
#27HDMNet (VGG-16)
52.4
Mean IoU· 2023-03-26
Hierarchical Dense Correlation Distillation for Few-Shot Segmentation Code
#28DCAMA (ResNet-101)
51.9
Mean IoU· 2022-07-18
Dense Cross-Query-and-Support Attention Weighted Mask Aggregation for Few-Shot Segmentation Code
#29QCLNet (ResNet-101)
51.9
Mean IoU· 2023-05-12
Quaternion-valued Correlation Learning for Few-Shot Semantic Segmentation Code
#30MIANet (ResNet-50)
51.65
Mean IoU· 2023-05-23
MIANet: Aggregating Unbiased Instance and General Information for Few-Shot Semantic Segmentation Code
#31BAM (ResNet-50)
51.16
Mean IoU· 2022-03-15
Learning What Not to Segment: A New Perspective on Few-Shot Segmentation Code
#32IPRNet (ResNet-50)
51.1
Mean IoU· 2022-11-16
Interclass Prototype Relation for Few-Shot Segmentation
#33MCE (ResNet-50)
51.04
Mean IoU· 2023-08-22
Masked Cross-image Encoding for Few-shot Segmentation
#34MIANet (VGG-16)
51.03
Mean IoU· 2023-05-23
MIANet: Aggregating Unbiased Instance and General Information for Few-Shot Semantic Segmentation Code
#35ASNet (HM, ResNet-101)
50.6
Mean IoU· 2022-03-24
HM: Hybrid Masking for Few-Shot Segmentation Code
#36HSNet (HM, ResNet-101)
50.6
Mean IoU· 2022-03-24
HM: Hybrid Masking for Few-Shot Segmentation Code
#37MSANet (ResNet-50)
50.47
Mean IoU· 2022-06-20
MSANet: Multi-Similarity and Attention Guidance for Boosting Few-Shot Segmentation Code
#38SSP (ResNet-101)
50.2
Mean IoU· 2022-07-23
Self-Support Few-Shot Semantic Segmentation Code
#39QCLNet (ResNet-50)
50
Mean IoU· 2023-05-12
Quaternion-valued Correlation Learning for Few-Shot Semantic Segmentation Code
#40HSNet (ResNet-101)SOTA
49.5
Mean IoU· 2021-04-04
Hypercorrelation Squeeze for Few-Shot Segmentation Code
#41ASNet
49.5
Mean IoU· 2022-03-29
Integrative Few-Shot Learning for Classification and Segmentation Code
#42PFENet (SVF, VGG-16)
49.49
Mean IoU· 2022-06-13
Singular Value Fine-tuning: Few-shot Segmentation requires Few-parameters Fine-tuning Code
#43HSNet (HM, ResNet-50)
49.4
Mean IoU· 2022-03-24
HM: Hybrid Masking for Few-Shot Segmentation Code
#44DACM (VAT, ResNet-50)
49.2
Mean IoU· 2022-07-30
Doubly Deformable Aggregation of Covariance Matrices for Few-shot Segmentation Code
#45BAM (SVF, VGG-16)
49.07
Mean IoU· 2022-06-13
Singular Value Fine-tuning: Few-shot Segmentation requires Few-parameters Fine-tuning Code
#46POP(ResNet-50)
48.75
Mean IoU
No paperCode
#47ASNet (HM, ResNet-50)
48.4
Mean IoU· 2022-03-24
HM: Hybrid Masking for Few-Shot Segmentation Code
#48VAT (HM, ResNet-50)
48.3
Mean IoU· 2022-03-24
HM: Hybrid Masking for Few-Shot Segmentation Code
#49DCAMA (ResNet-50)
48.3
Mean IoU· 2022-07-18
Dense Cross-Query-and-Support Attention Weighted Mask Aggregation for Few-Shot Segmentation Code
#50DACM (ResNet-50)
48.1
Mean IoU· 2022-07-30
Doubly Deformable Aggregation of Covariance Matrices for Few-shot Segmentation Code
#51SiGCN (ResNet-50)
48
Mean IoU· 2023-01-09
Few-shot Semantic Segmentation with Support-induced Graph Convolutional Network
#52VAT (ResNet-101)
47.9
Mean IoU· 2022-07-22
Cost Aggregation with 4D Convolutional Swin Transformer for Few-Shot Segmentation Code
#53VAT (ResNet-50)
47.9
Mean IoU· 2021-12-22
Cost Aggregation Is All You Need for Few-Shot Segmentation Code
#54IPMT (ResNet-101)
47.9
Mean IoU· 2022-10-13
Intermediate Prototype Mining Transformer for Few-Shot Semantic Segmentation Code
#55FECANet (ResNet-50)
47.6
Mean IoU· 2023-01-19
FECANet: Boosting Few-Shot Semantic Segmentation with Feature-Enhanced Context-Aware Network Code
#56IPMT (ResNet-50)
47.5
Mean IoU· 2022-10-13
Intermediate Prototype Mining Transformer for Few-Shot Semantic Segmentation Code
#57HSNet (ResNet-50)
46.9
Mean IoU· 2021-04-04
Hypercorrelation Squeeze for Few-Shot Segmentation Code
#58RePRI (CECE-M,ResNet-50)
46.9
Mean IoU· 2023-04-20
Clustered-patch Element Connection for Few-shot Learning Code
#59RePRI (CECE-T,ResNet-50)
46.7
Mean IoU· 2023-04-20
Clustered-patch Element Connection for Few-shot Learning Code
#60DCP (ResNet-50)
46.48
Mean IoU· 2022-04-21
Beyond the Prototype: Divide-and-conquer Proxies for Few-shot Segmentation Code
#61APANet (ResNet-101)
46.4
Mean IoU· 2021-11-24
APANet: Adaptive Prototypes Alignment Network for Few-Shot Semantic Segmentation
#62CyCTR (ResNet-50)
45.6
Mean IoU· 2021-06-04
Few-Shot Segmentation via Cycle-Consistent Transformer Code
#63MLC (ResNet-101)SOTA
45.1
Mean IoU· 2021-03-29
Mining Latent Classes for Few-shot Segmentation Code
#64IMR-HSNet (ResNet-50)
44.4
Mean IoU· 2023-03-10
Iterative Few-shot Semantic Segmentation from Image Label Text Code
#65SSP (ResNet-50)
44.1
Mean IoU· 2022-07-23
Self-Support Few-Shot Semantic Segmentation Code
#66DIaM (ResNet-50)
43.46
Mean IoU· 2022-11-25
A Strong Baseline for Generalized Few-Shot Semantic Segmentation Code
#67APANet (VGG-16)
43.2
Mean IoU· 2021-11-24
APANet: Adaptive Prototypes Alignment Network for Few-Shot Semantic Segmentation
#68APANet (ResNet-50)
43
Mean IoU· 2021-11-24
APANet: Adaptive Prototypes Alignment Network for Few-Shot Semantic Segmentation
#69ASGNet (ResNet-50)
42.48
Mean IoU· 2021-04-05
Adaptive Prototype Learning and Allocation for Few-Shot Segmentation Code
#70CWT (ResNet-101)
42
Mean IoU· 2021-08-06
Simpler is Better: Few-shot Semantic Segmentation with Classifier Weight Transformer Code
#71RePRI (ResNet-50)SOTA
41.6
Mean IoU· 2020-12-11
Few-Shot Segmentation Without Meta-Learning: A Good Transductive Inference Is All You Need?Code
#72FECANet (VGG-16)
41.5
Mean IoU· 2023-01-19
FECANet: Boosting Few-Shot Semantic Segmentation with Feature-Enhanced Context-Aware Network Code
#73MLC (ResNet-50)
41.4
Mean IoU· 2021-03-29
Mining Latent Classes for Few-shot Segmentation Code
#74CWT (ResNet-50)
41.3
Mean IoU· 2021-08-06
Simpler is Better: Few-shot Semantic Segmentation with Classifier Weight Transformer Code
#75PFENet (SCL, ResNet-101)
39.9
Mean IoU· 2021-03-30
Self-Guided and Cross-Guided Learning for Few-Shot Segmentation Code
#76PPNet (ResNet-50)SOTA
38.5
Mean IoU· 2020-07-13
Part-aware Prototype Network for Few-shot Semantic Segmentation Code
#77PFENet (VGG-16)
37.7
Mean IoU· 2020-08-04
Prior Guided Feature Enrichment Network for Few-Shot Segmentation Code
#78PFENet (ResNet-101)
37.4
Mean IoU· 2020-08-04
Prior Guided Feature Enrichment Network for Few-Shot Segmentation Code
#79CAPL (ResNet-50)
36.8
Mean IoU· 2020-10-11
Generalized Few-shot Semantic Segmentation Code
#80ASR (ResNet-50)
35.75
Mean IoU· 2021-06-01
Anti-aliasing Semantic Reconstruction for Few-Shot Semantic Segmentation Code
#81RPMM (ResNet-50)
35.5
Mean IoU· 2020-08-10
Prototype Mixture Models for Few-shot Semantic Segmentation Code
#82PANet (VGG-16)SOTA
29.7
Mean IoU· 2019-08-18
PANet: Few-Shot Image Semantic Segmentation with Prototype Alignment Code
#83FWB (ResNet-101)
23.65
Mean IoU· 2019-09-28
Feature Weighting and Boosting for Few-Shot Segmentation Code
#84FWB (VGG-16)
22.63
Mean IoU· 2019-09-28
Feature Weighting and Boosting for Few-Shot Segmentation Code