Boosting Visual Recognition in Real-world Degradations via Unsupervised Feature Enhancement Module with Deep Channel Prior

Fuente: arXiv

Saved in:

Bibliographic Details
Main Authors:	Liu, Zhanwen, Li, Yuhang, Wang, Yang, Gao, Bolin, An, Yisheng, Zhao, Xiangmo
Format:	Preprint
Published:	2024
Subjects:	Computer Vision and Pattern Recognition
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

SMamba: Sparse Mamba for Event-based Object Detection
by: Yang, Nan, et al.
Published: (2025)

PSTTS: A Plug-and-Play Token Selector for Efficient Event-based Spatio-temporal Representation Learning
by: Zhao, Xiangmo, et al.
Published: (2025)

Focus Through Motion: RGB-Event Collaborative Token Sparsification for Efficient Object Detection
by: Yang, Nan, et al.
Published: (2025)

Hierarchical Graph Feature Enhancement with Adaptive Frequency Modulation for Visual Recognition
by: Zhao, Feiyue, et al.
Published: (2025)

Bidirectional Image-Event Guided Fusion Framework for Low-Light Image Enhancement
by: Liu, Zhanwen, et al.
Published: (2025)

Enhancing Traffic Object Detection in Variable Illumination with RGB-Event Fusion
by: Liu, Zhanwen, et al.
Published: (2023)

Beyond conventional vision: RGB-event fusion for robust object detection in dynamic traffic scenarios
by: Liu, Zhanwen, et al.
Published: (2025)

YOLO-LLTS: Real-Time Low-Light Traffic Sign Detection via Prior-Guided Enhancement and Multibranch Feature Interaction
by: Lin, Ziyu, et al.
Published: (2025)

Multi-scale Temporal Fusion Transformer for Incomplete Vehicle Trajectory Prediction
by: Liu, Zhanwen, et al.
Published: (2024)

MSTF: Multiscale Transformer for Incomplete Trajectory Prediction
by: Liu, Zhanwen, et al.
Published: (2024)

Knowledge-Aligned Counterfactual-Enhancement Diffusion Perception for Unsupervised Cross-Domain Visual Emotion Recognition
by: Yin, Wen, et al.
Published: (2025)

AGLLDiff: Guiding Diffusion Models Towards Unsupervised Training-free Real-world Low-light Image Enhancement
by: Lin, Yunlong, et al.
Published: (2024)

Rethinking Real-world Image Deraining via An Unpaired Degradation-Conditioned Diffusion Model
by: Shen, Yiyang, et al.
Published: (2023)

PASDiff: Physics-Aware Semantic Guidance for Joint Real-world Low-Light Face Enhancement and Restoration
by: Ni, Yilin, et al.
Published: (2026)

DeepSPG: Exploring Deep Semantic Prior Guidance for Low-light Image Enhancement with Multimodal Learning
by: Lu, Jialang, et al.
Published: (2025)

Channel Consistency Prior and Self-Reconstruction Strategy Based Unsupervised Image Deraining
by: Dong, Guanglu, et al.
Published: (2025)

SymPoint Revolutionized: Boosting Panoptic Symbol Spotting with Layer Feature Enhancement
by: Liu, Wenlong, et al.
Published: (2024)

DNA-Prior: Unsupervised Denoise Anything via Dual-Domain Prior
by: Cheng, Yanqi, et al.
Published: (2025)

Continual Novel Class Discovery via Feature Enhancement and Adaptation
by: Yu, Yifan, et al.
Published: (2024)

Disentangling Visual Priors: Unsupervised Learning of Scene Interpretations with Compositional Autoencoder
by: Krawiec, Krzysztof, et al.
Published: (2024)

Dynamic Typography: Bringing Text to Life via Video Diffusion Prior
by: Liu, Zichen, et al.
Published: (2024)

Unsupervised Spatial-Temporal Feature Enrichment and Fidelity Preservation Network for Skeleton based Action Recognition
by: Li, Chuankun, et al.
Published: (2024)

StyDeco: Unsupervised Style Transfer with Distilling Priors and Semantic Decoupling
by: Yang, Yuanlin, et al.
Published: (2025)

OSA: Echocardiography Video Segmentation via Orthogonalized State Update and Anatomical Prior-aware Feature Enhancement
by: Wang, Rui, et al.
Published: (2026)

Degradation-Aware Image Enhancement via Vision-Language Classification
by: Cai, Jie, et al.
Published: (2025)

Zero-Reference Low-Light Enhancement via Physical Quadruple Priors
by: Wang, Wenjing, et al.
Published: (2024)

Long-Tailed Visual Recognition via Permutation-Invariant Head-to-Tail Feature Fusion
by: Li, Mengke, et al.
Published: (2025)

Unsupervised Skin Feature Tracking with Deep Neural Networks
by: Chang, Jose, et al.
Published: (2024)

Latent Diffusion Based Face Enhancement under Degraded Conditions for Forensic Face Recognition
by: Ugail, Hassan, et al.
Published: (2025)

Unsupervised Real-World Super-Resolution via Rectified Flow Degradation Modelling
by: Zhou, Hongyang, et al.
Published: (2025)

Unsupervised Low-light Image Enhancement with Lookup Tables and Diffusion Priors
by: Lin, Yunlong, et al.
Published: (2024)

A Survey on Backbones for Deep Video Action Recognition
by: Tang, Zixuan, et al.
Published: (2024)

Landmark Guided Visual Feature Extractor for Visual Speech Recognition with Limited Resource
by: Yang, Lei, et al.
Published: (2025)

Loose Social-Interaction Recognition in Real-world Therapy Scenarios
by: Ali, Abid, et al.
Published: (2024)

Synthesizing Knowledge-enhanced Features for Real-world Zero-shot Food Detection
by: Zhou, Pengfei, et al.
Published: (2024)

ICFRNet: Image Complexity Prior Guided Feature Refinement for Real-time Semantic Segmentation
by: Zhang, Xin, et al.
Published: (2024)

Real-World Scene Recovery for Scattering-Degraded Images Using Spatial and Frequency Priors
by: Liu, Yun, et al.
Published: (2025)

Unsupervised Visual Chain-of-Thought Reasoning via Preference Optimization
by: Zhao, Kesen, et al.
Published: (2025)

MRGeo: Robust Cross-View Geo-Localization of Corrupted Images via Spatial and Channel Feature Enhancement
by: Wu, Le, et al.
Published: (2026)

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
ui	"standard"
VUFIND_SESSION	"cb807fad370e38ca13f63ee414a5a13b"
language	"en"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1790806577.468 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "cb807fad370e38ca13f63ee414a5a13b" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1433}
SessionHelper	Laminas\Stdlib\ArrayObject {#1759}

Server/Request Data

Key	Value
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_HTTPS	"on"
REDIRECT_SSL_TLS_SNI	"info.umar.mx"
REDIRECT_STATUS	"200"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"info.umar.mx"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"ui=standard; VUFIND_SESSION=cb807fad370e38ca13f63ee414a5a13b; language=en"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"info.umar.mx"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.66 (Ubuntu) Server at info.umar.mx Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.66 (Ubuntu)"
SERVER_NAME	"info.umar.mx"
SERVER_ADDR	"200.23.222.19"
SERVER_PORT	"443"
REMOTE_ADDR	"216.73.216.147"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"41458"
REDIRECT_URL	""" /Record/\n arxiv_https___arxiv_org_abs_2404_01703/Similar """
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/%0Aarxiv_https___arxiv_org_abs_2404_01703/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1790806577.4554
REQUEST_TIME	1790806577

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
ui	"standard"
VUFIND_SESSION	"cb807fad370e38ca13f63ee414a5a13b"
language	"en"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1790806577.468 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "cb807fad370e38ca13f63ee414a5a13b" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1433}
SessionHelper	Laminas\Stdlib\ArrayObject {#1759}

Server/Request Data

Key	Value
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_HTTPS	"on"
REDIRECT_SSL_TLS_SNI	"info.umar.mx"
REDIRECT_STATUS	"200"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"info.umar.mx"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"ui=standard; VUFIND_SESSION=cb807fad370e38ca13f63ee414a5a13b; language=en"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"info.umar.mx"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.66 (Ubuntu) Server at info.umar.mx Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.66 (Ubuntu)"
SERVER_NAME	"info.umar.mx"
SERVER_ADDR	"200.23.222.19"
SERVER_PORT	"443"
REMOTE_ADDR	"216.73.216.147"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"41458"
REDIRECT_URL	""" /Record/\n arxiv_https___arxiv_org_abs_2404_01703/Similar """
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/%0Aarxiv_https___arxiv_org_abs_2404_01703/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1790806577.4554
REQUEST_TIME	1790806577

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Similar Items

Similar Items

Environment & details:

Environment & details: