95 lines
6.7 KiB
Plaintext
95 lines
6.7 KiB
Plaintext
|
a
|
|||
|
|
!˜>j$ ã @ sj d Z ddlmZmZmZmZ ddlmZ ddlZ eG dd„ dƒƒZ
|
|||
|
|
G dd„ dƒZ d d
|
|||
|
|
„ Z e
|
|||
|
|
d krfe ƒ dS ) zQ
|
|||
|
|
Similarity Search
|
|||
|
|
Find similar images using embeddings for temporal geolocation
|
|||
|
|
é )ÚDictÚListÚOptionalÚTuple)Ú dataclassNc @ sJ e Zd ZU dZeed< eed< eeeef ed< ee ed< e ed< dS )ÚSimilarityMatchzSimilarity match resultÚimage_idÚ
|
|||
|
|
similarityÚlocationÚ timestampÚmetadataN)
|
|||
|
|
Ú__name__Ú
|
|||
|
|
__module__Ú __qualname__Ú__doc__ÚstrÚ__annotations__Úfloatr r r © r r úK/home/bernt/.openclaw/workspace/iom/visual_geolocation/similarity_search.pyr s
|
|||
|
|
r c @ sÔ e Zd ZdZd edœdd„Zd eeje e
|
|||
|
|
e e f e e e dœdd „Z
|
|||
|
|
d ejee ee d œd
|
|||
|
|
d„Zejee ee d œdd„Zd eje
|
|||
|
|
e e f e eee dœdd„Zd eje
|
|||
|
|
e e f e e dœdd„Ze dœdd„ZdS )!ÚSimilaritySearchzª
|
|||
|
|
Find similar images using embeddings
|
|||
|
|
|
|||
|
|
Uses:
|
|||
|
|
- Visual embeddings (from CLIP)
|
|||
|
|
- Scene embeddings
|
|||
|
|
- Object embeddings
|
|||
|
|
- Combined embeddings
|
|||
|
|
é ©Ú
|
|||
|
|
embedding_dimc C sN || _ i | _i | _d| _z dd l}| |¡| _d| _W n tyH Y n0 d S )NFr T)r Ú
|
|||
|
|
embeddingsr Ú use_faissÚfaissZ IndexFlatIPÚ faiss_indexÚ ImportError)Úselfr r r r r Ú__init__ s
|
|||
|
|
zSimilaritySearch.__init__N©r Ú embeddingr
|
|||
|
|
r r c C sN |t j |¡ }|| j|< |||p$i dœ| j|< | jrJ| j | dd¡¡ dS )z Add image to similarity index)r
|
|||
|
|
r r é éÿÿÿÿN) ÚnpÚlinalgÚnormr r r r ÚaddÚreshape)r r r" r
|
|||
|
|
r r r r r Ú add_image. s
|
|||
|
|
|
|||
|
|
ý zSimilaritySearch.add_imageé çffffffæ?)Úquery_embeddingÚkÚmin_similarityÚreturnc
|
|||
|
|
|
|||
|
|
C sØ |t j |¡ }| jrÆt| jƒdkrÆ| j | dd¡|¡\}}g }t | j
|
|||
|
|
¡ ƒ}t t |d |d ƒƒD ]Z\}\} }
|
|||
|
|
| |krf|
|
|||
|
|
t|ƒk rf||
|
|||
|
|
} | j
|
|||
|
|
| } | t| t| ƒ| d | d | d d�¡ qf|S | |||¡S dS ) a
|
|||
|
|
Search for similar images
|
|||
|
|
|
|||
|
|
Args:
|
|||
|
|
query_embedding: Embedding of query image
|
|||
|
|
k: Number of results to return
|
|||
|
|
min_similarity: Minimum similarity threshold
|
|||
|
|
|
|||
|
|
Returns:
|
|||
|
|
List of similarity matches
|
|||
|
|
r r# r$ r
|
|||
|
|
r r ©r r r
|
|||
|
|
r r N)r% r& r' r Úlenr r Úsearchr) ÚlistÚkeysÚ enumerateÚzipr Úappendr r Ú_brute_force_search)
|
|||
|
|
r r- r. r/ Z similaritiesÚindicesÚresultsZ image_idsÚiZsimÚidxr Úmetar r r r3 E s( ÿ"
|
|||
|
|
û
|
|||
|
|
zSimilaritySearch.searchc
|
|||
|
|
C s| g }| j ¡ D ]N\}}t ||¡}||kr| j| }| t|t|ƒ|d |d |d d�¡ q|jdd„ dd� |d |… S )
|
|||
|
|
z Brute force similarity searchr
|
|||
|
|
r r r1 c S s | j S ©N©r ©Úxr r r Ú<lambda>Ž ó z6SimilaritySearch._brute_force_search.<locals>.<lambda>T)ÚkeyÚreverseN) r Úitemsr% Údotr r8 r r Úsort) r r- r. r/ r; r r" r r> r r r r9 u s
|
|||
|
|
û
|
|||
|
|
z$SimilaritySearch._brute_force_searchç Y@)r- r
|
|||
|
|
Úradiusr. r0 c C sh | j ||d d�}g }|D ]@}|jr| |d |d |jd |jd ¡}||kr| |¡ q|d|… S )zp
|
|||
|
|
Find temporal matches at same location
|
|||
|
|
|
|||
|
|
Useful for detecting changes over time
|
|||
|
|
é ©r. r r# N)r3 r
|
|||
|
|
Ú_haversine_distancer8 ) r r- r
|
|||
|
|
rK r. Z all_matchesZtemporal_matchesÚmatchÚdistancer r r Úfind_temporal_matches’ s
|
|||
|
|
þ z&SimilaritySearch.find_temporal_matchesç I@)Úcurrent_embeddingr
|
|||
|
|
rK r0 c C st | j |||dd�}|s dddœS t|dd„ d�}d |j }d
|
|||
|
|
||j|j|jd œt|ƒ|d kr`d
|
|||
|
|
n|dkrldnddœS )z�
|
|||
|
|
Detect changes between current image and historical matches
|
|||
|
|
|
|||
|
|
Returns:
|
|||
|
|
Dict with change analysis
|
|||
|
|
é
|
|||
|
|
rM Z
|
|||
|
|
no_historyz+No historical observations at this location)ÚstatusÚmessagec S s | j S r? r@ rA r r r rC È rD z1SimilaritySearch.detect_changes.<locals>.<lambda>)rE r# Zchange_detected)r r r g à?Úhighg333333Ó?ÚmediumÚlow)rU Ú change_scoreÚ
|
|||
|
|
best_matchZhistorical_countÚseverity)rQ Úmaxr r r r2 )r rS r
|
|||
|
|
rK Ú
|
|||
|
|
historicalr[ rZ r r r Údetect_changes° s$
|
|||
|
|
ÿþ
|
|||
|
|
ý÷z SimilaritySearch.detect_changes)r0 c
|
|||
|
|
C sœ ddl }d}| |¡}| |¡}| || ¡} | || ¡}
|
|||
|
|
| | d ¡d | |¡| |¡ | |
|
|||
|
|
d ¡d } d| | | ¡| d| ¡¡ } || S )z4Calculate distance between two coordinates in metersr Ni¸6a rL r# )ÚmathÚradiansÚsinÚcosÚatan2Úsqrt)
|
|||
|
|
r Úlat1Úlng1Úlat2Úlng2r` ÚRÚphi1Úphi2Ú delta_phiÚ delta_lambdaÚaÚcr r r rN Ú s
|
|||
|
|
|
|||
|
|
$ÿ z$SimilaritySearch._haversine_distance)r )NNN)r+ r, )rJ r+ )rR )r
|
|||
|
|
r r r Úintr r r% Úndarrayr r r r r* r r r3 r9 rQ r_ rN r r r r r sT
|
|||
|
|
úú üû 2û ! û
|
|||
|
|
ú " ü
|
|||
|
|
û *r c C sœ t dƒ tdd�} tj d¡ tdƒD ]^}tj d¡}| jd|d›�|dtj ¡ d d
|
|||
|
|
tj ¡ d fd |d d
|
|||
|
|
›d�ddid� q&| jd tj d¡d }| j |dd�}t dt
|