5.4.9.2 Image Transmission Issues, Progressive Transmission -- Still Images

Chapter Contents (Back)
Transmission. Progressive Transmission.

Cutler, C.C.,
Quantizied Transmission with Variable Quanta,
US_Patent2,724,742, November 22, 1955.
WWW Link. BibRef 5511

Cutler, C.C.,
Transmission Systems Employing Quantization,
US_Patent2,927,962, March 8, 1960.
WWW Link. BibRef 6003

Tanimoto, S.L.,
Image Transmission with Gross Information First,
CGIP(9), No. 1, 1979, pp. 72-76.
Elsevier DOI BibRef 7900

Knowlton, K.C.[Kenneth C.],
Progressive Transmission of Grey Scale and B/W Images by Simple, Efficient and Lossless Encoding Schemes,
PIEEE(68), 1980, pp. 885-896. BibRef 8000

Knowlton, K.C.[Kenneth C.],
Progressive image transmission,
US_Patent4,261,018, April 7, 1981.
HTML Version. BibRef 8104
Earlier: US_Patent4,222,076, 09/09/1980.
HTML Version. BibRef
Earlier: US_Patent3,609,670, September, 1971.
WWW Link. BibRef

Fanelli, A.M., Marangelli, B.,
Progressive Transmission of News Photos,
CVGIP(27), No. 2, August 1984, pp. 239-245.
Elsevier DOI BibRef 8408

Hoffmann, W.D., Troxel, D.E.,
Making Progressive Transmission Adaptive,
Commun(34), 1986, pp. 806-813. BibRef 8600

Dubois, E., Moncet, J.L.,
Encoding and Progressive Transmission of Still Pictures in NTSC Composite Format Using Transform Domain Methods,
Commun(34), 1986, pp. 310-319. BibRef 8600

Bergen, J.R.[James R.], Carlson, C.R.[Curtis R.],
Method for transmitting a high-resolution image over a narrow-band communication channel,
US_Patent4,672,444, 06/09/1987.
HTML Version. BibRef 8706

Tzou, K.H.[Kou-Hu],
Progressive image transmission,
US_Patent4,698,689, 10/06/1987.
HTML Version. BibRef 8710

Rabbani, M.[Mojgan], Porcellio, R.J.[Rocco J.],
Image transmission system with line averaging preview mode using two-pass block-edge interpolation,
US_Patent4,764,805, 08/16/1988.
HTML Version. BibRef 8808

Kim, W.Y.[Whoi-Yul], Balsara, P.T., Harper, III, D.T., Park, J.W.[Jon Wong],
Hierarchy Embedded Differential Image for Progressive Transmission Using Lossless Compression,
CirSysVideo(5), No. 1, February 1995, pp. 1-13.
IEEE Top Reference. BibRef 9502

Hwang, W.J., Derin, H.,
Multiresolution Multiresource Progressive Image Transmission,
IP(4), No. 8, August 1995, pp. 1128-1140.
IEEE DOI BibRef 9508

Hwang, W.J., Tu, Y.S., Lu, Y.C.,
Storage-Constrained and Entropy-Constrained Classified Vector Quantization,
Consumer(43), No. 4, November 1997, pp. 1252-1261. 9801
BibRef

Hwang, W.J., Ye, B.Y.,
Storage-Constrained and Entropy-Constrained Multistage Vector Quantization and Its Applications to Progressive Image Transmission,
Consumer(43), No. 1, February 1997, pp. 17-23. 9704
BibRef

Hwang, W.J., Hwu, R.F., Leou, M.R.,
Multiresolution Progressive Image Transmission with Storage and Transmission Time Constraints,
Consumer(43), No. 4, November 1997, pp. 1132-1142. 9801
BibRef

Christopoulos, C.A., Skodras, A.N.,
New Schemes for Progressive Transmission of Digital Images,
Consumer(43), No. 4, November 1997, pp. 1028-1033. 9801
BibRef

Sherwood, P.G., Zeger, K.,
Progressive Image-Coding for Noisy Channels,
SPLetters(4), No. 7, July 1997, pp. 189-191.
IEEE Top Reference. 9708
BibRef
Earlier:
Error protection for progressive image transmission over memoryless and fading channels,
ICIP98(I: 324-328).
IEEE DOI 9810
BibRef

Frajka, T., Sherwood, P.G., and Zeger, K.,
Progressive Image Coding with Spatially Variable Resolution,
ICIP97(I: 53-56).
IEEE DOI BibRef 9700

Kim, J.H., Song, W.J.,
Pyramid-Structured Progressive Image Transmission Using Quantization-Error Delivery in Transform Domains,
VISP(143), No. 2, April 1996, pp. 132-136. 9609
BibRef

Qiu, G.P.[Guo-Ping],
Progressively Predictive Image Pyramid for Efficient Lossless Coding,
IP(8), No. 1, January 1999, pp. 109-115.
IEEE DOI BibRef 9901

Chee, Y.K.[Y. Kheong],
Survey of progressive image transmission methods,
IJIST(10), No. 1, 1999, pp. 3-19. Survey, Progressive Transmission. BibRef 9900

Link, R., Kallel, S.,
Markov Model Aided Decoding for Image Transmission Using Soft-Decision-Feedback,
IP(9), No. 2, February 2000, pp. 190-196.
IEEE DOI 0003
BibRef

Reavy, M.D., Boncelet, C.G.[Charles G.],
Extending the BACIC Algorithm for Robust Transmission Over a Noisy Channel,
IP(9), No. 12, December 2000, pp. 2123-2126.
IEEE DOI 0011

See also algorithm for compression of bilevel images, An.
See also On the Use of Context-Weighting in Lossless Bilevel Image Compression. BibRef

Marvel, L.M.[Lisa M.], Khayrallah, A.S.[Ali S.], Boncelet, C.G.[Charles G.],
Robust Source Coding for Images over Very Noisy Channels,
ICIP96(III: 759-762).
IEEE DOI BibRef 9600

Khayrallah, A.S.[Ali S.],
Differential coding with a modified feedback loop,
ICIP95(III: 604-607).
IEEE DOI 9510
BibRef

Chung, K.L.[Kuo-Liang], Tseng, S.Y.[Shou-Yi],
New progressive image transmission based on quadtree and shading approach with resolution control,
PRL(22), No. 14, December 2001, pp. 1545-1555.
Elsevier DOI 0110

See also Improved Image Compression Using S-Tree and Shading Approach. BibRef

Loui, A.C.P., Liou, M.L.,
High-resolution still-image transmission based on CCITT H.261 codec,
CirSysVideo(3), No. 2, April 1993, pp. 164-169.
IEEE Top Reference. 0206
BibRef

Gong, W.[Wei], Rao, K.R., Manry, M.T.,
Progressive image transmission,
CirSysVideo(3), No. 5, October 1993, pp. 380-383.
IEEE Top Reference. 0206
BibRef

Bertolotto, M.[Michela], Egenhofer, M.J.[Max J.],
Progressive Transmission of Vector Map Data over the World Wide Web,
GeoInfo(5), No. 4, December 2001, pp. 345-373.
DOI Link 0509
BibRef

Aoidh, E.M.[Eoin Mac], Bertolotto, M.[Michela], Wilson, D.C.[David C.],
Towards dynamic behavior-based profiling for reducing spatial information overload in map browsing activity,
GeoInfo(16), No. 3, July 2012, pp. 409-434.
WWW Link. 1202
BibRef

Zeng, B.[Bing], Fu, M.S.[Ming Sun], Chuang, C.C.[Chun Cheong],
New interleaved hierarchical interpolation with median-based interpolators for progressive image transmission,
SP(81), No. 1, February 2001, pp. 431-438. 0102
BibRef

Benazza-Benyahia, A.[Amel], Pesquet, J.C.[Jean-Christophe],
A unifying framework for lossless and progressive image coding,
PR(35), No. 3, March 2002, pp. 627-638.
Elsevier DOI 0201
BibRef

Lee, C.S.[Chul Soo], Park, H.W.[Hyun-Wook],
Near-lossless/lossless compression of error-diffused images using a two-pass approach,
IP(12), No. 2, February 2003, pp. 170-175.
IEEE DOI 0304
BibRef
Earlier:
Progressive coding of error diffused images,
ICIP02(III: 969-972).
IEEE DOI 0210
BibRef

Forchhammer, S., Jensen, O.R.,
Content layer progressive coding of digital maps,
IP(11), No. 12, December 2002, pp. 1349-1356.
IEEE DOI 0301
BibRef

Aghito, S.M., Forchhammer, S.,
Context-Based Coding of Bilevel Images Enhanced by Digital Straight Line Analysis,
IP(15), No. 8, August 2006, pp. 2120-2130.
IEEE DOI 0606
BibRef

Hung, K.L., Chang, C.C.,
New irregular sampling coding method for transmitting images progressively,
VISP(150), No. 1, February 2003, pp. 44-50.
IEEE Top Reference. 0304
BibRef

Shirani, S.[Shahram], Jerbi, A.[Ali],
Application of nonlinear pre- and post-processing in low bit rate, error resilient image communication,
SP:IC(18), No. 9, October 2003, pp. 823-835.
Elsevier DOI 0310
BibRef

Shirani, S.,
Low bit rate, error resilient image communication using nonlinear pre and post-processing and progressive image transmission,
ICIP02(III: 553-556).
IEEE DOI 0210
BibRef

Rodríguez-Sánchez, R.[Rosa], Fdez-Valdivia, J., Toet, A., García, J.A.,
The relationship between information prioritization and visual distinctness in two progressive image transmission schemes,
PR(37), No. 2, February 2004, pp. 281-297.
Elsevier DOI 0311
BibRef

Garcia, J.A., Rodríguez-Sánchez, R.[Rosa], Fdez-Valdivia, J.,
Relevance of knowledge from bit-saving in progressive transmission,
JVCIR(21), No. 7, October 2010, pp. 741-750.
Elsevier DOI 1003
Prioritization; Progressive transmission; Low-cost bit-reserves; Bit-allocation; Sustained improvement; Transmission technology; Knowledge from bit-saving; SAVING coder BibRef

Garcia, J.A., Rodriguez-Sanchez, R.[Rosa], Fdez-Valdivia, J.,
Emergence of region-based transmission when computation is unconstrained,
JVCIR(17), No. 5, October 2006, pp. 1024-1039.
Elsevier DOI 0711
Progressive transmission; Image size; Region-based approach; Prioritization protocol; Transmission costs; Long-run loss BibRef

García, J.A., Rodriguez-Sánchez, R.[Rosa], Fdez-Valdivia, J.,
Sustainable image transmission,
JVCIR(23), No. 1, January 2012, pp. 134-142.
Elsevier DOI 1112
Transmission cost; Axiomatic approach; Progressive transmission; Sustainable transmission path; Pontryagin's maximum principle; SPIHT; REWIC; SAVING BibRef

García, J.A., Rodriguez-Sánchez, R.[Rosa], Fdez-Valdivia, J., Garrido, A.,
Analysis of coding risks in progressive transmission,
SP:IC(27), No. 1, January 2012, pp. 39-53.
Elsevier DOI 1201
Progressive transmission; Coding risks; Codec evaluation; SPIHT; JPIP; REWIC BibRef

Han, S.H., Lee, J.H.,
PAPR Reduction of OFDM Signals Using a Reduced Complexity PTS Technique,
SPLetters(11), No. 11, November 2004, pp. 887-890.
IEEE Abstract. 0411
Peak-to-average power ratio. BibRef

Hu, Y.C.[Yu-Chen], Jiang, J.H.[Ji-Han],
Low-complexity progressive image transmission scheme based on quadtree segmentation,
RealTimeImg(11), No. 1, February 2005, pp. 59-70.
Elsevier DOI 0506
BibRef

Chen, S.K.[Shang-Kuan], Lin, J.C.[Ja-Chen],
Fault-tolerant and progressive transmission of images,
PR(38), No. 12, December 2005, pp. 2466-2471.
Elsevier DOI 0510
BibRef

Lan, C.F., Xiong, Z., Narayanan, K.R.,
Source-Optimized Irregular Repeat Accumulate Codes With Inherent Unequal Error Protection Capabilities and Their Application to Scalable Image Transmission,
IP(15), No. 7, July 2006, pp. 1740-1750.
IEEE DOI 0606
BibRef

Pan, X., Banihashemi, A.H., Cuhadar, A.,
Progressive Transmission of Images Over Fading Channels Using Rate-Compatible LDPC Codes,
IP(15), No. 12, December 2006, pp. 3627-3635.
IEEE DOI 0611
BibRef

Cao, L.,
On the Unequal Error Protection for Progressive Image Transmission,
IP(16), No. 9, September 2007, pp. 2384-2388.
IEEE DOI 0709
BibRef

Muzaffar, T.[Tanzeem], Choi, T.S.[Tae-Sun],
Increased Video Compression with Error-Resilience Capability Based on Macroblock Processing,
IEICE(E88-D), No. 5, May 2005, pp. 1082-1085.
DOI Link 0505
BibRef
Earlier:
Simplified EZW Image Coder with Residual Data Transmission,
ICME00(MA3). 0007
BibRef

Fresia, M., Lavagetto, F.,
Determination of Optimal Distortion-Based Protection in Progressive Image Transmission: A Heuristic Approach,
IP(17), No. 9, September 2008, pp. 1654-1662.
IEEE DOI 0810
BibRef

Ameer, S.[Salah], Basir, O.[Otman],
Image compression using plane fitting with inter-block prediction,
IVC(27), No. 4, 3 March 2009, pp. 385-390.
Elsevier DOI 0804
Image compression; Plane fitting; Blocking effects; Progressive transmission; Multiplication- and division-free implementations BibRef

Toni, L., Chan, Y.S., Cosman, P.C., Milstein, L.B.,
Channel Coding for Progressive Images in a 2-D Time-Frequency OFDM Block With Channel Estimation Errors,
IP(18), No. 11, November 2009, pp. 2476-2490.
IEEE DOI 0911
BibRef

Chang, S.H., Cosman, P.C., Milstein, L.B.,
Performance Analysis of n-Channel Symmetric FEC-Based Multiple Description Coding for OFDM Networks,
IP(20), No. 4, April 2011, pp. 1061-1076.
IEEE DOI 1103
BibRef

Chang, S.H., Cosman, P.C., Milstein, L.B.,
Iterative Channel Decoding of FEC-Based Multiple-Description Codes,
IP(21), No. 3, March 2012, pp. 1138-1152.
IEEE DOI 1203

See also Comments on Iterative Channel Decoding of FEC-Based Multiple-Description Codes. BibRef

Thomos, N., Boulgouris, N.V., Chang, S.H.[Seok-Ho],
Comments on 'Iterative Channel Decoding of FEC-Based Multiple-Description Codes',
IP(22), No. 11, 2013, pp. 4560-4560.
IEEE DOI 1310
channel coding
See also Iterative Channel Decoding of FEC-Based Multiple-Description Codes. BibRef

Arslan, S.S., Cosman, P.C., Milstein, L.B.,
Concatenated Block Codes for Unequal Error Protection of Embedded Bit Streams,
IP(21), No. 3, March 2012, pp. 1111-1122.
IEEE DOI 1203
BibRef

Arslan, S.S., Cosman, P.C., Milstein, L.B.,
Generalized Unequal Error Protection LT Codes for Progressive Data Transmission,
IP(21), No. 8, August 2012, pp. 3586-3597.
IEEE DOI 1208
BibRef

Lin, Y.C.[Yih-Chuan],
Reversible data-hiding for progressive image transmission,
SP:IC(26), No. 10, November 2011, pp. 628-645.
Elsevier DOI 1111
Reversible data-hiding; Progressive image transmission; Histogram shifting; Image decimation and interpolation BibRef

Jun, S.[Su], Yatskiv, V.[Vasyl],
Method and Device for Image Coding and Transferring Based on Residue Number System,
Sensors(148), No. 1, January 2013, pp. 60-65.
HTML Version. 1302
BibRef

Bi, C., Liang, J.,
Joint Source-Channel Coding of JPEG 2000 Image Transmission Over Two-Way Multi-Relay Networks,
IP(26), No. 7, July 2017, pp. 3594-3608.
IEEE DOI 1706
Complexity theory, Image coding, Protocols, Relays, Resource management, Transform coding, Wireless communication, JPEG 2000, Joint source-channel coding, power allocation, relay selection, two-way, multi-relay, system BibRef

Sarreshtedari, S.[Saeed], Abbasfar, A.[Aliazam], Akhaee, M.A.[Mohammad Ali],
A joint source-channel coding approach to digital image self-recovery,
SIViP(11), No. 7, October 2017, pp. 1371-1378.
Springer DOI 1708
BibRef

Liu, X.M.[Xian-Ming], Cheung, G.[Gene], Lin, C.W.[Chia-Wen], Zhao, D.B.[De-Bin], Gao, W.[Wen],
Prior-Based Quantization Bin Matching for Cloud Storage of JPEG Images,
IP(27), No. 7, July 2018, pp. 3222-3235.
IEEE DOI 1805
Selectively reencode at coarser level, more expensive to decode, but less frequent operation. cloud computing, data compression, graph theory, image coding, quantisation (signal), social networking (online), signal quantization BibRef

Aulí-Llinàs, F.[Francesc], Marcellin, M.W.[Michael W.], Sanchez, V.[Victor], Bartrina-Rapesta, J.[Joan], Hernández-Cabronero, M.[Miguel],
Dual Link Image Coding for Earth Observation Satellites,
GeoRS(56), No. 9, September 2018, pp. 5083-5096.
IEEE DOI 1809
Send information to satellite that can allow for better coding of the data for downlink. Satellites, Image coding, Earth, Satellite broadcasting, Downlink, Uplink, Orbits, Dual link image coding, JPEG2000, satellite data transmission BibRef

Alkishriwo, O.A.S.[Osama A.S.],
Image compression using adaptive multiresolution image decomposition algorithm,
IET-IPR(14), No. 14, December 2020, pp. 3572-3578.
DOI Link 2012
BibRef


Zafari, A.[Ali], Khoshkhahtinat, A.[Atefeh], Mehta, P.[Piyush], Saadabadi, M.S.E.[Mohammad Saeed Ebrahimi], Akyash, M.[Mohammad], Nasrabadi, N.M.[Nasser M.],
Frequency Disentangled Features in Neural Image Compression,
ICIP23(2815-2819)
IEEE DOI 2312
BibRef

Pourreza, R.[Reza], Cohen, T.S.[Taco S.],
Extending Neural P-frame Codecs for B-frame Coding,
ICCV21(6660-6669)
IEEE DOI 2203
Video coding, Interpolation, Codecs, Prototypes, Encoding, Quality assessment, Neural generative models, Video analysis and understanding BibRef

Lu, Y.D.[Ya-Dong], Zhu, Y.[Yinhao], Yang, Y.[Yang], Said, A.[Amir], Cohen, T.S.[Taco S.],
Progressive Neural Image Compression With Nested Quantization and Latent Ordering,
ICIP21(539-543)
IEEE DOI 2201
Video coding, Quantization (signal), Image coding, Codecs, Bit rate, Rate-distortion, progressive coding, quality scalable coding, nested quantization BibRef

Arslan, S.S.[Suayb S.], Cosman, P.C.[Pamela C.], Milstein, L.B.[Laurence B.],
Optimization of generalized LT codes for progressive image transfer,
VCIP12(1-6).
IEEE DOI 1302
BibRef

Lin, Z.J., Yao, N., Deng, B., Wang, C.Z., Wang, J.H.,
Research On Differential Coding Method For Satellite Remote Sensing Data Compression,
ISPRS12(XXXIX-B7:217-222).
DOI Link 1209
BibRef

Yoshida, T.[Taichi], Kyochi, S.[Seisuke], Ikehara, M.[Masaaki],
A simplified lattice structure of two-dimensional generalized lapped orthogonal transform (2-D GenLOT) for image coding,
ICIP10(349-352).
IEEE DOI 1009
BibRef

Kobayashi, T.[Tomoya], Muramatsu, S.[Shogo], Kikuchi, H.[Hisakazu],
2-D non-separable GenLOT with trend vanishing moments,
ICIP10(385-388).
IEEE DOI 1009
BibRef

Muramatsu, S.[Shogo], Hiki, M.[Minoru],
Block-wise implementation of directional GenLOT,
ICIP09(3977-3980).
IEEE DOI 0911
BibRef

Liu, W.[Wei], Zeng, W.J.[Wen-Jun], Dong, L.[Lina], Yao, Q.M.[Qiu-Ming],
Resolution-progressive compression of encrypted grayscale images,
ICIP08(2208-2211).
IEEE DOI 0810
BibRef

Tsagkatakis, G.[Grigorios], Zervakis, M.E.[Michalis E.], Savakis, A.E.[Andreas E.],
Multiple description based image transmission with Low Density Parity Check codes,
ICIP08(2040-2043).
IEEE DOI 0810
BibRef

Kwasinski, A., Liu, K.J.R.,
Optimal Unequal Error Protection with User Cooperation for Transmission of Embedded Source-Coded Images,
ICIP06(717-720).
IEEE DOI 0610
BibRef

Cho, Y.S.[Yu-Shin], Pearlman, W.A., Said, A.,
Low Complexity Resolution Progressive Image Coding Algorithm: Progres (Progressive Resolution Decompression),
ICIP05(III: 49-52).
IEEE DOI 0512
BibRef

Loganathan, D., Mehata, K.M.,
3D image sensing for bit plane method of progressive transmission,
3DPVT04(91-94).
IEEE DOI 0412
BibRef

Krivoulets, A.,
A method for progressive near-lossless image compression,
ICIP03(II: 185-188).
IEEE DOI 0312
BibRef

Dupont, F., Gilles, B., Baskurt, A.,
Progressive transmission of 3D object based on balls and cones union from medial axis transformation,
ICIP03(I: 797-800).
IEEE DOI 0312
BibRef

Creusere, C.D., Tolk, N.,
Combining wavelets and GLICBAWLS to achieve resolution progressive lossless compression,
ICIP02(III: 229-232).
IEEE DOI 0210
BibRef

Creusere, C.D.,
Successive coefficient refinement for embedded lossless image compression,
ICIP98(I: 521-525).
IEEE DOI 9810
BibRef

Stamm, C.,
PGF: A New Progressive File Format for Lossy and Lossless Image Compression,
WSCG02(421).
HTML Version. 0209
BibRef

Salous, M.N., Pycock, D., Cruickshank, G.S.,
Iconic Modelling for the Progressive Transmission of Neurological Images: Segmentation,
ICPR00(Vol I: 512-515).
IEEE DOI 0009
BibRef

Chaddha, N.[Navin], Diggavi, S.,
A Frame-Work for Joint Source-Channel Coding of Images over Time-Varying Wireless Channels,
ICIP96(II: 89-92).
IEEE DOI BibRef 9600

Stites, R., Kieffer, J.,
Resolution Scalable Lossless Progressive Image Coding Via Conditional Quadrisection,
ICIP00(Vol I: 976-979).
IEEE DOI 0008
BibRef

Helsingius, M., Tran, T.D., Nguyen, T.,
A GenLOT-based progressive image coder for low resolution images,
ICIP98(II: 312-316).
IEEE DOI 9810
BibRef

Lu, J.[Jin], Nosratinia, A., Aazhang, B.,
Progressive source-channel coding of images over bursty error channels,
ICIP98(II: 127-131).
IEEE DOI 9810
BibRef

Kieffer, J.C., Park, T.H., Xu, Y., Yakowitz, S.J.,
Progressive lossless image coding via self-referential partitions,
ICIP98(I: 498-502).
IEEE DOI 9810
BibRef

Chan, H.H.[Hanford H.], Liew, S.C.[Soung C.],
Lossless Aggregation for Transporting Stored Video over a CBR Communications Channel,
ICIP96(I: 89-92).
IEEE DOI BibRef 9600

Kim, Y.S.[Yong-Sung], Kim, W.Y.[Whoi-Yul],
An Efficient Image Data Format for Lossless Compression and its Application to Interactive Viewing,
ICIP96(I: 73-76).
IEEE DOI BibRef 9600

Davis, G.M.[Geoffrey M.], Danskin, J.M.[John M.], Song, X.[Xiyong],
Joint Source and Channel Coding for Internet image transmission,
ICIP96(I: 21-24).
IEEE DOI BibRef 9600

Tao, H.[Hai], Moorhead, R.J.,
Lossless progressive transmission of scientific data using biorthogonal wavelet transform,
ICIP94(III: 373-377).
IEEE DOI 9411
BibRef

Lancini, R., Tubaro, S.,
Progressive image transmission based on image projections,
ICIP94(III: 861-865).
IEEE DOI 9411
BibRef

Tazebay, M.V., Akansu, A.N.,
Progressive optimality in hierarchical filter banks,
ICIP94(I: 825-829).
IEEE DOI 9411
BibRef

Chapter on Image Processing, Restoration, Enhancement, Filters, Image and Video Coding continues in
Huffman Coding .


Last update:Mar 16, 2024 at 20:36:19